Relevant bibliographies by topics / The Pleistocene periglacial zone

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Academic literature on the topic 'The Pleistocene periglacial zone'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 February 2022

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Journal articles on the topic "The Pleistocene periglacial zone"

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Nesic, Dragan, and Uros Milincic. "The lower altitudinal limit of the periglacial climazonal belt on Kopaonik Mountain (Serbia)." Glasnik Srpskog geografskog drustva 99, no. 1 (2019): 1–18. http://dx.doi.org/10.2298/gsgd1901001n.

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The morphostructural relief of the highest parts of the central Kopaonik Mt was altered by exogenous agents, by denudation as a primary and periglacial processes as a secondary agent. Previous geomorphological studies were mostly focused on the traces of the Pleistocene glaciation, although no reliable evidence was found for this. Recent research, in the part of the mountain above 1,700 m of absolute height, points to geomorphological phenomena resulting from more recent processes within the periglacial environment. By means of geomorphological reconnaissance, analysis and mapping of the highest part of the Kopaonik mountain massif, forms of relief were studied, the ones that according to their morphology correspond to the periglacial forms and processes described in the conditions of high latitudes and high mountains. Determining the spatial coverage of the periglacial belt, especially its lower limit on Kopaonik Mt, is important for understan-ding the distribution of this climatic morphology both in Serbia and in South East Europe. The research contributes to one of the primary aims of exploring the concept of the periglacial zone, in terms of the regional distribution of its specific relief forms.
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Konstantinov, Alexandr, Sergey Loiko, Alina Kurasova, Elizaveta Konstantinova, Andrey Novoselov, Georgy Istigechev, and Sergey Kulizhskiy. "First Findings of Buried Late-Glacial Paleosols within the Dune Fields of the Tomsk Priobye Region (SE Western Siberia, Russia)." Geosciences 9, no. 2 (February 12, 2019): 82. http://dx.doi.org/10.3390/geosciences9020082.

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Buried soils within aeolian deposits are considered an important tool for diagnosing, determining the age, and estimating the intensity of aeolian processes at the transition from the Pleistocene to the Holocene in the Northern Hemisphere. Late Pleistocene aeolian coversands and ancient inland dunes are widely distributed in the periglacial zone of Western Siberia. In contrast to the territories of Central and Eastern Europe, the paleosol archive of the aeolian sands and dunes of Western Siberia has not yet been studied. This paper presents the first findings of late Pleistocene paleosols within the ancient inland dunes in the southeast of Western Siberia (Ob–Tomsk interfluve, Tomsk region). The soils and their stratigraphic position were studied in the outcrop of the quarry, located in the junction zone of the second Tom river terraces and the ancient valley. Two types of paleosols were identified. The first one is confined to the central part of a small dune and is represented by a slightly developed Albic Arenosol with fragmentary humus horizon Ahb and a well-pronounced Eb. It can probably be considered as an analogue of the European Usselo soil. The second paleosol was found at the bottom of the interdune depression. It is represented by a brown Bwb horizon and probably corresponds to a Brunic Arenosol (Dystric). The second paleosol is characterized by a higher content of clay fraction and organic carbon, the presence of weak signs of illuviation, and richer and more diverse mineral composition. This soil is apparently an analogue of the European Finow soil. Radiocarbon dating of the charcoals found in the paleosols suggests that the first dates from the Younger Dryas (ca. 12,036 cal. yr. BP), and the second one from the Allerød (ca. 13,355 cal. yr. BP). The study results propose that the natural environment in the periglacial zone of the south of Western Siberia was generally similar to those in Central and Eastern Europe, and the activation of aeolian processes, which led to the formation of a dune relief, occurred at about the same time.
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Hughes, P. D., J. C. Woodward, and P. L. Gibbard. "Quaternary glacial history of the Mediterranean mountains." Progress in Physical Geography: Earth and Environment 30, no. 3 (July 2006): 334–64. http://dx.doi.org/10.1191/0309133306pp481ra.

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Glacial and periglacial landforms are widespread in the mountains of the Mediterranean region. The evidence for glacial and periglacial activity has been studied for over 120 years and it is possible to identify three phases of development in this area of research. First, a pioneer phase characterized by initial descriptive observations of glacial landforms; second, a mapping phase whereby the detailed distribution of glacial landforms and sediments have been depicted on geomorphological maps; and, third, an advanced phase characterized by detailed understanding of the geochronology of glacial sequences using radiometric dating alongside detailed sedimentological and stratigraphical analyses. It is only relatively recently that studies of glaciated mountain terrains in the Mediterranean region have reached an advanced phase and it is now clear from radiometric dating programmes that the Mediterranean mountains have been glaciated during multiple glacial cycles. The most extensive phases of glaciation appear to have occurred during the Middle Pleistocene. This represents a major shift from earlier work whereby many glacial sequences were assumed to have formed during the last cold stage. Glacial and periglacial deposits from multiple Quaternary cold stages constitute a valuable palaeoclimatic record. This is especially so in the Mediterranean mountains, since mountain glaciers in this latitudinal zone would have been particularly sensitive to changes in the global climate system.
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SHIMIZU, Chousei. "Altitudinal Boundary between Periglacial and Non-Periglacial Zones in the Last Glacial Age Reconstructed from Distribution of Periglacial Slopes and Pleistocene Tephra Layers, Northeastern Japan." Geographical Review of Japa,. Ser. A, Chirigaku Hyoron 65, no. 2 (1992): 158–67. http://dx.doi.org/10.4157/grj1984a.65.2_158.

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Martin, Jean-Philippe, and Daniel Germain. "Late-glacial and Holocene evolution as a driver of diversity and complexity of the northeastern North American alpine landscapes: a synthesis." Canadian Journal of Earth Sciences 53, no. 5 (May 2016): 494–505. http://dx.doi.org/10.1139/cjes-2016-0004.

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Mid-altitude, mid-latitude mountains are complex environments owing to their Pleistocene glacial heritage, the importance of geomorphic processes on the steep slopes, and the climatic conditions that are often close to periglacial. These factors, along with the fragmentation of the alpine habitats, enhance the topographic and floristic diversity of these environments in northeastern North America. Through case studies, this synthesis underlines the interactions between the geosphere (glacial, paraglacial, and periglacial processes), the atmosphere (climatic fluctuations), and the biosphere (vegetation establishment and evolution to the present day) that explain the low elevation of the northeastern North American alpine environment and that testify to its complexity. Vegetation established earlier in the southern ranges, following the same general trend as the Laurentian Ice Sheet recession. However, local factors such as ice retreat, response to global-scale climate changes, and paraglacial processes acted in synergy to increase the resilience and to influence the occurrence of alpine landscapes. The establishment of the latter environment can therefore be considered to be azonal. Finally, our findings highlight the lack of a conceptual framework, systemic studies, and multi-proxy reconstructions of alpine environments located at the limit of bioclimatic zones controlled by the equilibrium between biostatic and rhexistatic regimes.
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HALL, Adrian M., Jon W. MERRITT, E. Rodger CONNELL, and Alun HUBBARD. "Early and Middle Pleistocene environments, landforms and sediments in Scotland." Earth and Environmental Science Transactions of the Royal Society of Edinburgh 110, no. 1-2 (October 4, 2018): 5–37. http://dx.doi.org/10.1017/s1755691018000713.

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ABSTRACTThis paper reviews the changing environments, developing landforms and terrestrial stratigraphy during the Early and Middle Pleistocene stages in Scotland. Cold stages after 2.7 Ma brought mountain ice caps and lowland permafrost, but larger ice sheets were short-lived. The late Early and Middle Pleistocene sedimentary record found offshore indicates more than 10 advances of ice sheets from Scotland into the North Sea but only 4–5 advances have been identified from the terrestrial stratigraphy. Two primary modes of glaciation, mountain ice cap and full ice sheet modes, can be recognised. Different zones of glacial erosion in Scotland reflect this bimodal glaciation and the spatially and temporally variable dynamics at glacier beds. Depths of glacial erosion vary from almost zero in Buchan to hundreds of metres in glens in the western Highlands and in basins both onshore and offshore. The presence of tors and blockfields indicates repeated development of patches of cold-based, non-erosive glacier ice on summits and plateaux. In lowlands, chemical weathering continued to operate during interglacials, but gruss-type saprolites are mainly of Pliocene to Early Pleistocene age. The Middle Pleistocene terrestrial stratigraphic record in Scotland, whilst fragmentary and poorly dated, provides important and accessible evidence of changing glacial, periglacial and interglacial environments over at least three stadial–interstadial–interglacial cycles. The distributions of blockfields and tors and the erratic contents of glacial sediments indicate that the configuration, thermal regime and pattern of ice flow during MIS 6 were broadly comparable to those of the last ice sheet. Improved control over the ages of Early and Middle Pleistocene sediments, soils and saprolites and on long-term rates of weathering and erosion, combined with information on palaeoenvironments, ice extent and sea level, will in future allow development and testing of new models of Pleistocene tectonics, isostasy, sea-level change and ice sheet dynamics in Scotland.
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Pisarska-Jamroży, Małgorzata. "Factors controlling sedimentation in the Toruń-Eberswalde ice-marginal valley during the Pomeranian phase of the Weichselian glaciation: an overview." Geologos 21, no. 1 (March 1, 2015): 1–29. http://dx.doi.org/10.1515/logos-2015-0001.

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Abstract During the Pleistocene the Scandinavian ice sheet drained huge quantities of sediment-laden meltwaters. These meltwaters supplied ice-marginal valleys that formed parallel to the front of the ice sheet. Not without significance was the supply of ice-marginal valleys from extraglacial rivers in the south. Moreover, periglacial conditions during and after sedimentation in ice-marginal valleys, the morphology of valley bedrocks, and erosion of older sediments played important roles in the depositional scenarios, and in the mineralogical composition of the sediments. The mechanisms that controlled the supply and deposition in ice-marginal valleys were analysed on the basis of a Pleistocene ice-marginal valley that was supplied by northern and southern source areas in the immediate vicinity. Investigations were conducted in one of the largest ice-marginal valleys of the Polish-German lowlands, i.e., the Toruń-Eberswalde ice-marginal valley, in sandurs (Drawa and Gwda) supplied sediments and waters from the north into this valley, and on extraglacial river terraces (pre-Noteć and pre-Warta rivers), formed simultaneously with the sandurs and ice-marginal valley (Pomeranian phase of Weichselian glaciation) supplied sediments and waters from the south into this valley. A much debated question is how similar, or different, depositional processes and sediments were that contributed to the formation of the Toruń-Eberswalde ice-marginal valley, and whether or not it is possible to differentiate mostly rapidly aggraded sandur sediments from ice-marginal valley sediments. Another question addresses the contribution of extraglacial feeding of the Toruń-Eberswalde ice-marginal valley. These matters were addressed by a wide range of analyses: sediment texture and structure, architectural elements of sediments, frequency of sedimentary successions, heavy-mineral analysis (both transparent and opaque heavy minerals), analysis of rounding and frosting of quartz grains, and palaeohydrological calculations. Additionally, a statistical analysis was used. The specific depositional conditions of distribution of sediments in ice-marginal valley allow to distinguish new environment of ice-marginal valley braided river. The spectrum of depositional conditions in the Toruń-Eberswalde ice-marginal valley and their specific palaeohydraulic parameters allow to distinguish three coexisting zones in the ice-marginal valley braided-river system: (1) deep gravel-bed braided channel zone with extensive scours, (2) deep sand-bed braided channel zone with transverse bars, and (3) marginal sand-bed and gravel-bed braided channel zone with diamicton and breccia deposition, which were characterised in detail. Some of the results have been published previously, which is why they are discussed in the present paper within the context of new data
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HALFFTER, GONZALO, MARIO ZUNINO, VICTOR MOCTEZUMA, and JOSÉ L. SÁNCHEZ-HUERTA. "The integration processes of the distributional patterns in the Mexican Transition Zone: Phyletic, paleogeographic and ecological factors of a case study." Zootaxa 4586, no. 1 (April 16, 2019): 1. http://dx.doi.org/10.11646/zootaxa.4586.1.1.

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In this study, we take the Onthophagus chevrolati species group, likely a monophyletic species group as an example to analyze the processes that led to the biogeographic integration of the Holarctic fauna in the mountains of the Mexican Transition Zone to test our biogeographic hypotheses. We propose a change from the status of subspecies to species for O. oaxacanus Zunino & Halffter, 1988 new status; O. howdeni Zunino & Halffter, 1988 new status; O. jaliscensis Zunino & Halffter, 1988 new status; O. longecarinatus Zunino & Halffter, 1988 new status; O. omiltemius Bates, 1889 revised status; and O. retusus Harold, 1869 revised status. Consequently, the O. chevrolati group of species is currently made up of 47 species belonging to four species lines: O. vespertilio, O. hippopotamus, O. cyanellus and O. chevrolati. The diversification of the Onthophagus chevrolati species group in this region resulted from three hypothetical stages of evolution. In the first, the penetration and expansion of the ancestor of the O. chevrolati species group occurred before the Miocene and the Trans-Mexican Volcanic Belt arose. During the second stage, the O. hippopotamus species line expanded and evolved, integrating with the paleogeographic changes and the formation of the Trans-Mexican Volcanic Belt, as a consequence of volcanism during the Miocene-Pliocene. In the third and most recent stage, the O. chevrolati species line used the existing mountain systems and interglacial climate fluctuations of the Pleistocene to expand and diversify. Thus, the mountains of the Mexican Transition Zone are not simply periglacial refugia. The entomofauna of Holarctic origin present in the region evolved while the Earth’s geological processes were underway.
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Wierzbicki, Grzegorz, Mateusz Grygoruk, Maria Grodzka-Łukaszewska, Piotr Bartold, and Tomasz Okruszko. "Mire Development and Disappearance due to River Capture as Hydrogeological and Geomorphological Consequences of LGM Ice-Marginal Valley Evolution at the Vistula-Neman Watershed." Geosciences 10, no. 9 (September 11, 2020): 363. http://dx.doi.org/10.3390/geosciences10090363.

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The advances and retreats of ice sheets during Pleistocene significantly changed high- and mid-latitude landscapes and hydrological systems, albeit differently, in North America and Europe. On the southern margin of the Last Glacial Maximum (LGM) in the Baltic Sea basin, a specific type of valley has developed between glacial margins and upland or mountain slopes. We studied new geological data (boreholes, electrical resistivity imaging (ERI) from this geomorphic setting in Northeast Poland to understand: (1) how the landscape and river network evolved to eventually produce peat mires during the Holocene, and (2) the nature of groundwater recharge to fens in the upper Biebrza Valley. We present the results on a geological cross-section with hydrogeological interpretation. We also discuss regional geomorphology. In addition, we present the LGM extent derived from a spatial distribution of Vistulian (Weichselian) terminal moraines. These end moraines are also interpreted as Saalian kames. Thus, we additionally present another method of LGM extent delineation from a physicogeographical division. We link the steep slopes of the studied valley walls (kame terrace fronts) with thermokarst erosion in the periglacial zone. We then document the hydrogeological window (DISCONTINUITY in the till layer over the confined aquifer), which enables the outflow of groundwater into the peat bog. Although minerotrophic fen mire development in the study area is likely to be sustained in the near future through sufficient groundwater supply, the projected capture of the Biebrza River by the Neman River will not allow for sustaining peatland development.
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Kotov, V. G., and M. M. Rumyantsev. "PALEOLITHIC SITE-WORKSHOP OF AKBULATOVO-3 IN THE MOUNTAIN PART OF THE BELAYA RIVER (BASHKORTOSTAN)." Вестник Пермского университета. История, no. 1(52) (2021): 15–34. http://dx.doi.org/10.17072/2219-3111-2021-1-15-34.

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The discovery of the pre-Mousterian monument, dating back to the Middle Pleistocene era, in the mountain-forest zone of the Southern Urals is of great interest both for archaeology, in particular, considering the problem of time and ways of setting on the territory, and for geology, taking into account the dating of the terraces of river valleys in the mountainous part of the region. The site-workshop Akbulatovo-3 is confined to the cover deposits of the III floodplain terrace of the Belaya river, 15 m above the modern level of the river, including pebble and clastic material from quartzite in the deposits of brownish-brown loam of periglacial type of the late Risian time. The collection of items from quartzite (447 items) is represented by a variety of cores: cuboid, orthogonal, sub-cone, and biplatformed. The tools were made both by bifacial processing and on flakes, less often on amorphous plate-like chips. Among them, there are “Acheulean” forms – choppers, peaks, simple scrapers, and “Upper Paleolithic” ones – scrapers, burins, punctures, carvers, and chisel tools. Such a combination of archaic types of tools and cores with “progressive” forms of tools and cores, characteristic of the Moustier and Upper Paleolithic gives grounds to attribute the complex to the end of the Acheulean era or to the beginning of the Moustier. A similar monument, combining the Acheulean types of tools and cores with the Mousterian and Upper Paleolithic ones, was discovered on Lake Turogoyak in the Chelyabinsk region – the site Naves (Island of Vera 6a) at the porphyrite exits. This allows the authors to attribute them to a single technological tradition, called the “Akbulatov type of industry”.
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Dissertations / Theses on the topic "The Pleistocene periglacial zone"

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Andrieux, Eric. "Extent and chronology of the Pleistocene permafrost in France : database of periglacial structures and OSL dating of sand wedges." Thesis, Bordeaux, 2017. http://www.theses.fr/2017BORD0615/document.

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De nombreuses tentatives de reconstruction de l’étendue du paléo-pergélisol à partir de données de terrain montrent que de grandes parties de la France ont été affectées à la fin du Pléistocène. Cette étendue maximale a été attribuée au Dernier Maximum Glaciaire (DMG). Néanmoins, des contradictions existent entre les différentes reconstructions qui ont été réalisées pendant près d’un siècle ; elles résident en partie dans l’absence de consensus sur la signification paléoclimatique de certaines structures périglaciaires. De plus, le cadre chronologique utilisé pour ces reconstructions est principalement basé sur des datations relatives et/ou sur l’hypothèse que le maximum de froid durant le dernier glaciaire a été atteint pendant le DMG. Dans ce contexte, il était nécessaire de réévaluer les structures déjà décrites à la lumière de notre connaissance actuelle des processus périglaciaires et d’en chercher de nouvelles pour datation. L’approche développée pour résoudre ces problèmes a été divisée en trois parties. Tout d’abord, une base de données homogène fournissant un accès simple aux structures périglaciaires répertoriées sur le territoire français a été constituée. Celle-ci permet de remettre un site ou une structure dans un contexte régional pour éviter les interprétations simplistes et favorise une vision à l’échelle nationale. Cette base de données est accessible en ligne (https://afeqeng.hypotheses.org/48). Les données en coupe concernant les coins sableux, les pseudomorphoses de coin de glace et les coins composites ainsi que les données obtenues à partir de photos aériennes sur les polygones et les sols striés ont été compilées. Dans la deuxième partie de notre travail, nous nous sommes attachés à traiter les données recueillies. L’analyse à l’aide d’un SIG nous a apportée des informations sur l’influence de différents facteurs sur le développement des structures périglaciaires. Des comparaisons avec un ensemble de données du Nord de l’Europe a rendu possible la proposition d’une nouvelle carte des limites du pergélisol lors de son extension maximale en Europe de l’Ouest. La carte a ensuite été comparée avec des simulations du pergélisol issues de Modèles Globaux du Climat. Enfin, la troisième partie de cette thèse fournit le premier cadre chronologique pour la fissuration par contraction thermique du sol en France, en s’appuyant sur la datation par luminescence optiquement stimulée (OSL) du remplissage sableux des coins
During the Mid to Late Pleistocene, the land area affected by periglacial conditions expanded and contracted repeatedly over large surfaces in mid-latitude Western Europe. In such environments, permafrost or deep seasonal freezing of the ground formed typical features, which have been the subject of abundant research by geomorphologists. In particular, researchers attempted to reconstruct the maximal extent of Pleistocene permafrost based on field evidence. Although most reconstructions suggest that permafrost spread over part of France during the coldest periods of the Pleistocene, there is no agreement regarding the land surface affected. This is mainly due to the scarcity of field data used for mapping and to the questionable palaeoclimatic significance of certain periglacial features. In addition, permafrost modelling during the Last Glacial Maximum using Global Climate Models does not seem consistent with field data. To solve these issues, a database of Pleistocene periglacial features has been compiled from a review of academic literature and unpublished reports, the analysis of aerial photographs and new field surveys. Polygons, soil stripes, ice-wedge pseudomorphs, sand wedges and composite wedge pseudomorphs were included in the database together with their geographic coordinates, geological context, description and references. The distribution of the identified features was analysed with a GIS software and clearly indicates that large areas in France were affected by periglaciation, apart from the southwesternmost part of France and the Languedoc. Ice-wedge pseudomorphs do not extend south of 47°N which indicates that widespread discontinuous permafrost did not affect the land south of the Paris basin. The exclusive presence of sand wedges with primary infill between 45 and 47°N, mainly in the periphery of coversands, suggests that thermal contraction cracking of the ground occurred together with sand drifting in a context of deep seasonal frost or sporadic discontinuous permafrost, unfavourable for the growth of significant ground-ice bodies. However, the description of composite-wedge pseudomorphs below 47°N indicates that at least locally ice veins formed probably during exceptionally cold winters. To provide a chronological framework for thermal contraction cracking single-grain OSL measurements were performed on 33 samples taken in the sandy infilling of sand-wedges and composite-wedge pseudomorphs. Results suggest that multiple events were recorded within wedges. The extraction of the datasets using the Finite Mixture Model, which was developed to analyse statistically data comprising multiple components, allowed calculating 86 ages. These age estimates show that wedge activity in France occurred at least 11 times over the last 100 ka. The most widespread events of thermal contraction cracking occurred between ca. 30 and 24 ka (Last Permafrost Maximum) and are concomitant with periods of high sand availability (MIS 2). Although most phases of sand-wedge growth correlate well with known Pleistocene cold periods, the identification of wedge activity during late MIS 5 and the very beginning of the Holocene strongly suggests that sand-wedges do not only indicate permafrost but also deep seasonal ground freezing in the context of low winter insolation. The previously published young ages yielded by North-European sand-wedges likely result from poor record of periglacial periods concomitant with low sand availability and/or age averaging inherent to standard luminescence methods. This work allowed us to propose a map of the maximum extent of Late Pleistocene permafrost in France, which partially reconciles field data with palaeoclimatic simulations. The remaining discrepancies may be linked with a potential time lag between the Last Permafrost Maximum (c. 31–24 ka) and the Last Glacial Maximum (21 ka) and to the already identified warm winter bias of the models
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Hoffman, William R. Kirby Eric. "Late Pleistocene slip rates along the Panamint Valley fault zone, eastern California." [University Park, Pa.] : Pennsylvania State University, 2009. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-4709/index.html.

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Ryter, Derek. "Late Pleistocene kinematics of the central San Jacinto fault zone, southern California /." view abstract or download file of text, 2002. http://wwwlib.umi.com/cr/uoregon/fullcit?p3072605.

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Thesis (Ph. D.)--University of Oregon, 2002.
Typescript. Includes vita and abstract. Includes bibliographical references (leaves 131-137). Also available for download via the World Wide Web; free to University of Oregon users.
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Moser, Amy C. "Spatiotemporal Evolution of Pleistocene and Late Oligocene-Early Miocene Deformation in the Mecca Hills, Southernmost San Andreas Fault Zone." DigitalCommons@USU, 2017. https://digitalcommons.usu.edu/etd/5992.

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Seismogenically active faults (those that produce earthquakes) are very complex systems that constantly change through time. When an earthquake occurs, the rocks surrounding a fault (the “fault rocks”) become altered or damaged. Studying these fault rocks directly can inform what processes operated in the fault and how the fault evolved in space and time. Examining these key aspects of faults helps us understand the earthquake hazards of active fault systems. The Mecca Hills, southern California, consist of a set of hills adjacent to the southernmost San Andreas Fault. The topography is related to motion on the San Andreas fault, which poses the largest seismic hazard in the lower forty-eight United States. The southernmost San Andreas fault, and the Mecca Hills study location may be reaching the end of its earthquake cycle and is due for a major, potentially catastrophic earthquake. The seismic hazards of the region, coupled with its proximity to major populated areas (Coachella Valley, Los Angeles Basin) make it a critical research area to understand fault zone evolution and the protracted history of fault development. The goal of this thesis was to directly examine the fault rocks in the Mecca Hills to understand how San Andreas-related faults in this area have evolved and behaved through time. This study integrates a variety of field and laboratory techniques to characterize the structural, geochemical, and thermal properties of the Mecca Hills fault rocks. The results herein document two distinct phases of deformation in the rocks exposed in the Mecca Hills, one around 24 million years ago and the other in the last one million years. This more recent phase of deformation is characterized by fault block exhumation and fluid flow in the fault zones, likely related to changing dynamics of the southernmost San Andreas Fault system. The older event informs how and when these rocks came close to Earth’s surface before the San Andreas Fault initiated.
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Kamiya, Nana. "Evolution of the Mio-Pleistocene forearc basin induced by the plate subduction in the Boso Peninsula, central Japan." Doctoral thesis, Kyoto University, 2020. http://hdl.handle.net/2433/253260.

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京都大学
0048
新制・課程博士
博士(工学)
甲第22424号
工博第4685号
新制||工||1731(附属図書館)
京都大学大学院工学研究科都市社会工学専攻
(主査)教授 林 為人, 教授 小池 克明, 准教授 村田 澄彦
学位規則第4条第1項該当
Doctor of Philosophy (Engineering)
Kyoto University
DFAM
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Foy, Travis A. "Quaternary faulting in Clayton Valley, Nevada: implications for distributed deformation in the Eastern California shear zone-walker lane." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/39561.

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The eastern California shear zone (ECSZ) and Walker Lane belt represent an important inland component of the Pacific-North America plate boundary. Current geodetic data indicate accumulation of transtensional shear at a rate of ~9.2 ± 0.3 mm/yr across the region, more than double the total geologic rate (<3.5 mm/yr) for faults in the northern ECSZ over the late Pleistocene [Bennett et al., 2003, Kirby et al., 2006, Lee et al., 2009, Frankel et al., 2007]. Unraveling the strain puzzle of the Walker Lane is therefore essential to understanding both how deformation is distributed through the lithosphere along this transtensional part of the Pacific-North America plate boundary and how the plate boundary is evolving through time. The observed mismatch between geodetic and geologic slip rates in the central Walker Lane is characteristic of other active tectonic settings, including the nearby Mojave segment of the ECSZ [Oskin et al., 2008] and the Altyn Tagh fault in China [Cowgill, 2007]. In each case, lack of fault slip data spanning multiple temporal and spatial scales hinders interpretation of fault interactions and their implications for lithospheric dynamics. The discrepancy between geodetic and geologic slip rates in the central Walker Lane indicates that if strain rates have remained constant since the late Pleistocene [e.g. Frankel et al., in press], then the "missing" strain is distributed on structures other than the two major dextral faults at this latitude (Death Valley-Fish Lake Valley fault and White Mountains fault). Otherwise the region could presently be experiencing a strain transient similar to that of the nearby Mojave section of the ECSZ [e.g., Oskin et al., 2008], or the rate of strain accumulation could actually increasing over the late Pleistocene [e.g. Reheis and Sawyer, 1997; Hoeft and Frankel, 2010]. The Silver Peak-Lone Mountain extensional complex (SPLM), to which the Clayton Valley faults belong, is the prime candidate to account for the "missing" strain. The down-to-the-northwest orientation of the SPLM faults makes them the most kinematically suitable structures to accommodate the regional pattern of NW-SE dextral shear. We use differential GPS to measure fault offset and terrestrial cosmogenic nuclide (TCN) geochronology to date offset landforms. Using these tools, we measure extension rates that are time-invariant, ranging from 0.1 ± 0.1 to 0.3 ± 0.1 mm/yr for fault dips of 30° and 60°. These rates are not high enough to account for the discrepancy between geologic and geodetic data in the ECSZ-Walker Lane transition zone. Based on geologic mapping and previously published geophysical data [Davis, 1981; Zampirro, 2005], deformation through Clayton Valley appears to be very widely-distributed. The diffuse nature of deformation leads to geologic slip rates that are underestimated due to the effects of off-fault deformation and unrecognized fault strands. Our results from Clayton Valley suggest that the discrepancy between geodetic and geologic strain rates at the latitude of the northern ECSZ is a result of long-term geologic rates that are underestimated. If the true geologic rates could be calculated, they would likely be significantly higher and therefore in closer agreement with geodetic data, as is the case everywhere else in the ECSZ north of the Garlock fault [Frankel et al., 2007a, in press; Kirby et al., 2008; Lee et al., 2009a].
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Vohradský, Lukáš. "Rozšíření a morfologie polygonálních sítí pseudomorfóz mrazových a ledových klínů na území ČR." Master's thesis, 2013. http://www.nusl.cz/ntk/nusl-322967.

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Ice and frost wedges are a geomorphological phenomenon which is directly related to periglacial environment and permafrost (Murton, 2007). The presence of permafrost in the territory of the Czech Republic in the Pleistocene period is directly proven by polygonal nets of ice and frost wedge pseudomorphs, which are clearly visible in some remote sensing images. Among others, they can also be used as indicators of paleoenvironmental conditions for the period in which their recent forms originated and developed and for the period of their secondary infilling (Sekyra, 1958). The present thesis focuses on the spatial distribution and morphology of polygonal nets of ice and frost wedge pseudomorphs which were created in the territory of the Czech Republic at the end of Pleistocene and the beginning of Holocene. The analysis of the spatial distribution of polygonal nets was carried out with freely available remote sensing images provided by the GoogleEarth Pro application (Google Inc., 2011). The number of locations with a potential presence of pseudomorphs was 629. Out of these, 49 were subjected to a morphometric analysis of polygonal nets and their corresponding landscape. Statistical data analysis showed that the described polygonal nets of ice and frost wedge pseudomorphs in the territory of the Czech Republic...
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Kundu, Nishikanta, Nabarun Pal, Neeraj Sinha, and IL Budhiraja. "PALEO HYDRATE AND ITS ROLE IN DEEP WATER PLIO-PLEISTOCENE GAS RESERVOIRS IN KRISHNA-GODAVARI BASIN, INDIA." 2008. http://hdl.handle.net/2429/1065.

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Discovery of natural methane hydrate in deepwater sediments in the east-coast of India have generated significant interest in recent times. This work puts forward a possible relationship of multi-TCF gas accumulation through destabilization of paleo-hydrate in Plio-Pleistocene deepwater channel sands of Krishna-Godavari basin, India. Analysis of gas in the study area establishes its biogenic nature, accumulation of which is difficult to explain using the elements of conventional petroleum system. Gas generated in sediments by methanogenesis is mostly lost to the environment, can however be retained as hydrate under suitable conditions. Longer the time a layer stayed within the gas hydrate stability zone (GHSZ) greater is the chance of retaining the gas which can be later released by change in P-T conditions due to sediment burial. P-T history for selected stratigraphic units from each well is extracted using 1-D burial history model and analyzed. Hydrate stability curves for individual units through time are generated and overlain in P-T space. It transpired that hydrate formation and destabilization in reservoir units of same stratigraphic level in different wells varies both in space and time. Presence of paleo hydrates is confirmed by the occurrence of authigenic carbonate cement and low-saline formation water. We demonstrate how gas released by hydrate destabilization in areas located at greater water depths migrates laterally and updip along the same stratigraphic level to be entrapped in reservoirs which is outside the GHSZ. In areas with isolated reservoirs with poor lateral connectivity, the released gas may remain trapped if impermeable shale is overlain before the destabilization of hydrate. The sequence of geological events which might have worked together to form this gas reservoir is: deposition of organic rich sediments → methanogenesis → gas hydrate formation → destabilization of hydrate and release of gas → migration and entrapment in reservoirs.
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Books on the topic "The Pleistocene periglacial zone"

1

Brainerd, Mears. Late Pleistocene periglacial wedge sites in Wyoming: An illustrated compendium. Laramie, Wyo. (P.O. Box 3008, University Station, Laramie 82071): Geological Survey of Wyoming, 1987.

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Woronko, Barbara. Zapis procesów eolicznych w osadach piaszczystych plejstocenu na wybranych obszarach Polski środkowej i północno-wschodniej. Warszawa: Wydział Geografii i Studiów Regionalnych, Uniwersytet Warszawski, 2012.

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Lamothe, Michel. Pleistocene stratigraphy and till geochemistry of the Miramichi zone, New Brunswick. Ottawa, Canada: Geological Survey of Canada, 1992.

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Bowdery, Doreen. Phytolith analysis applied to Pleistocene-Holocene archaeological sites in the Australian arid zone. Oxford: J. & E. Hedges, 1998.

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Symposium, International Union for Quaternary Research Commission on Loess. The loess and other Pleistocene periglacial deposits of northwest Europe including their relationships with marine formations and features: Symposium of the INQUA Loess Commission and of the IGU Commission of [sic] the Significance of Periglacial Phenomena, Normandy-Jersey-Brittany, 20 to 27 August 1986. Caen: Centre de géomorphologie du CNRS, 1986.

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D, Braun Duane, Clark G. Michael, Sasowsky Ira D, Koberle Robin, Geological Survey (U.S.), and Friends of the Pleistocene. Northeastern Section. Field Conference, eds. Late Wisconsinan to pre-Illinoian(G?) glacial and periglacial events in eastern Pennsylvania: (Guidebook for the 57th Field Conference, Friends of the Pleistocene, Northeastern Section, May 20-22, 1994, Hazleton, Pennsylvania). [Reston, Va.?]: U.S. Dept. of the Interior, U.S. Geological Survey, 1994.

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Late Wisconsinan to pre-Illinoian(G?) glacial and periglacial events in eastern Pennsylvania: (Guidebook for the 57th Field Conference, Friends of the Pleistocene, Northeastern Section, May 20-22, 1994, Hazleton, Pennsylvania). [Reston, Va.?]: U.S. Dept. of the Interior, U.S. Geological Survey, 1994.

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D, Braun Duane, Clark G. Michael, Sasowsky Ira D, Koberle Robin, Geological Survey (U.S.), and Friends of the Pleistocene. Northeastern Section. Field Conference, eds. Late Wisconsinan to pre-Illinoian(G?) glacial and periglacial events in eastern Pennsylvania: (Guidebook for the 57th Field Conference, Friends of the Pleistocene, Northeastern Section, May 20-22, 1994, Hazleton, Pennsylvania). [Reston, Va.?]: U.S. Dept. of the Interior, U.S. Geological Survey, 1994.

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D, Braun Duane, Clark G. Michael, Sasowsky Ira D, Koberle Robin, Geological Survey (U.S.), and Friends of the Pleistocene. Northeastern Section. Field Conference, eds. Late Wisconsinan to pre-Illinoian(G?) glacial and periglacial events in eastern Pennsylvania: (Guidebook for the 57th Field Conference, Friends of the Pleistocene, Northeastern Section, May 20-22, 1994, Hazleton, Pennsylvania). [Reston, Va.?]: U.S. Dept. of the Interior, U.S. Geological Survey, 1994.

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Late Wisconsinan to pre-Illinoian(G?) glacial and periglacial events in eastern Pennsylvania: (Guidebook for the 57th Field Conference, Friends of the Pleistocene, Northeastern Section, May 20-22, 1994, Hazleton, Pennsylvania). [Reston, Va.?]: U.S. Dept. of the Interior, U.S. Geological Survey, 1994.

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Book chapters on the topic "The Pleistocene periglacial zone"

1

Onaca, Alexandru, Petru Urdea, Adrian C. Ardelean, Raul Șerban, and Florina Ardelean. "Present-Day Periglacial Processes in the Alpine Zone." In Springer Geography, 147–76. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-32589-7_7.

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Korren, Caitlyn S., Eric C. Ferre, En-Chao Yeh, Yu-Min Chou, and Hao-Tsu Chu. "Seismic Rupture Parameters Deduced From a Pliocene-Pleistocene Fault Pseudotachylyte in Taiwan." In Fault Zone Dynamic Processes, 21–35. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119156895.ch2.

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Žák, Karel. "Brdy Highland: A Landscape Shaped in the Periglacial Zone of Quaternary Glacials." In Landscapes and Landforms of the Czech Republic, 73–86. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27537-6_7.

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Anderson, Roger Y., James V. Gardner, and Eileen Hemphill-Haley. "Variability of the Late Pleistocene-Early Holocene Oxygen-Minimum Zone off Northern California." In Aspects of Climate Variability in the Pacific and the Western Americas, 75–84. Washington, D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/gm055p0075.

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Thu, Trinh Hoai, Nguyen Van Nghia, Tran Thi Thuy Huong, Do Van Thang, and Nguyen Thi Hien. "Saltwater Intrusion Forecast of the Pleistocene Aquifer Caused by Groundwater Exploiting in the Nam Dinh Coastal Zone." In Progress in IS, 83–92. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65687-8_8.

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McLaren, Duncan, Quentin Mackie, and Daryl Fedje. "Experimental Re-creation of the Depositional Context in Which Late Pleistocene Tracks Were Found on the Pacific Coast of Canada." In Reading Prehistoric Human Tracks, 91–100. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-60406-6_5.

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AbstractTo better understand the depositional context of Late Pleistocene human tracks found at archaeology site EjTa-4 on Calvert Island, on the Pacific Coast of Canada, we present here the results of an experiment designed to recreate the conditions by which these tracks were formed, preserved and then revealed through excavation. Based on radiocarbon ages on small twigs and the analysis of sediments and microfossils, the interpretation of the site formation processes relate that the tracks were impressed into a clayey soil substrate just above the high tide line between 13,317 and 12,633 calBP. The features were subsequently encapsulated by black sand, which washed over the tracks from the nearby intertidal zone during a storm event. To test this interpretation, we enlisted the aid of high school student volunteers to recreate the conditions by which the tracks were formed. A clayey substrate was prepared in a laboratory setting at the University of Victoria and a few plant macrofossils were placed on top it. This was followed by having the students create tracks in the clay, which were then covered with a layer of sand. Upon excavation of these experimental tracks, we found that they had a very similar character to those found in the field, including the pressing of macrofossils into the clay by the weight of the track maker. These results support the interpretation and chronological assessment of the depositional events that occurred during late Pleistocene times at archaeology site EjTa-4.
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Hughes, Philip, and Jamie Woodward. "Glacial and Periglacial Environments." In The Physical Geography of the Mediterranean. Oxford University Press, 2009. http://dx.doi.org/10.1093/oso/9780199268030.003.0024.

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Traditionally, glacial and periglacial geomorphology has not featured prominently in discussions about the physical geography of the Mediterranean basin. It is now clear, however, that on numerous occasions during the Pleistocene, and to a lesser extent during the Little Ice Age (LIA), glacial and periglacial activity was widespread in many of the region’s mountain ranges (Hughes et al. 2006a; Hughes and Woodward 2008). Even today, small glaciers and active periglacial features can be found on the highest peaks. Many mountain landscapes in the Mediterranean basin are therefore the product of glacial and periglacial processes that have fluctuated in intensity and spatial extent through the Quaternary. Glacial processes are defined here as those occurring as a result of dynamic glacier ice. The periglacial zone is sometimes defined as non-glacial areas where the mean annual temperature is less than 3°C (French 1996: 20). However, cryogenic processes can be important in landform development, even in areas of shallow frost over a wide range of mean annual temperatures. Thus, the term ‘periglacial’ is applied here to areas characterized by cold-climate processes—where frost and nival processes are important—but where glaciers are absent. Glacial and periglacial processes in the uplands can exert considerable influence upon geomorphological systems at lower elevations. Fluvial systems, for example, over a range of timescales have been shown to be especially sensitive to changes in sediment supply and water discharge from glaciated mountain headwaters (Gurnell and Clark 1987; Woodward et al. 2008). Nonetheless, the geomorphological impacts of glaciation are most clearly evident in the Mediterranean mountains where the erosional and depositional legacy is frequently well preserved. Cirques, glacial lakes, icescoured valleys, moraines, pronival ramparts, relict rock glaciers, and other glacial and periglacial features can be found in many Mediterranean mountain ranges (Hughes et al. 2006a). Upland limestone terrains are widespread across the Mediterranean and many of these landscapes have been shaped by a combination of glacial and karstic processes (Chapter 10). In fact, glacio-karst is probably the dominant landscape in many mountain regions, including the Dinaric Alps of Croatia/Bosnia/Montenegro (Nicod 1968), the Cantabrian Mountains of Spain (Smart 1986) and the Pindus Mountains of Greece (Waltham 1978; Woodward et al. 2004; Hughes et al. 2006b).
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"Pleistocene Periglaciation." In The Periglacial Environment 4e, 343–69. Chichester, UK: John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781119132820.ch15.

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"The Pleistocene Periglacial Domain." In The Periglacial Environment 4e, 299–322. Chichester, UK: John Wiley & Sons, Ltd, 2017. http://dx.doi.org/10.1002/9781119132820.ch13.

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Butler, David R., George P. Malanson, and Stephen J. Walsh. "Snow-avalanche Paths: Conduits from the Periglacial-Alpine to the Subalpine-Depositional Zone." In Periglacial Geomorphology, 185–202. Routledge, 2020. http://dx.doi.org/10.4324/9781003028901-8.

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Conference papers on the topic "The Pleistocene periglacial zone"

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Choiriah, Siti Umiyatun, Carolus Prasetyadi, Dwi Fitri Yudiantoro, Rubiyanto Kapid, and Nanda Ajeng Nurwantari. "Miocene to pleistocene biostratigraphy of Rembang Zone based on nannofossil, Nglebur River section, Blora, Central Java." In 2ND INTERNATIONAL CONFERENCE ON EARTH SCIENCE, MINERAL, AND ENERGY. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0006851.

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Amantov, Aleksey, Aleksey Amantov, Willy Fjeldskaar, and Willy Fjeldskaar. "ICE AGE AND COASTAL ADAPTATIONS." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b43153b7e56.

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Eustatic changes have interrelations with other long-term processes, connected with the glacial activity and related isostatic adjustment. Topographic changes in glacial and periglacial areas, linked with sediment- and hydro-isostasy, influence the redistribution of amount of water globally before and after glaciations. Glacial erosion is a significant, but variable factor. Many enclosed basins of different order- including the Baltic -were created or strongly modified by this process. In relation to the ice age onset they can hold additional amount of water, even if related isostasy reduces its volume. Accumulation replaces ocean water by low-compacted sediments, with additional subsidence, but part of deposition remains in coastal areas. Negative topographic elements, previously occupied by central parts of ice sheets (Bothnian, Hudson Bay) would likely remain stable water storage with gradual shallowing up to future system of giant lakes. Hydro-isostasy impacted non-uniform relocation of coastal zone in local and regional scale.
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Amantov, Aleksey, Aleksey Amantov, Willy Fjeldskaar, and Willy Fjeldskaar. "ICE AGE AND COASTAL ADAPTATIONS." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b942b546c29.90248576.

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Eustatic changes have interrelations with other long-term processes, connected with the glacial activity and related isostatic adjustment. Topographic changes in glacial and periglacial areas, linked with sediment- and hydro-isostasy, influence the redistribution of amount of water globally before and after glaciations. Glacial erosion is a significant, but variable factor. Many enclosed basins of different order- including the Baltic -were created or strongly modified by this process. In relation to the ice age onset they can hold additional amount of water, even if related isostasy reduces its volume. Accumulation replaces ocean water by low-compacted sediments, with additional subsidence, but part of deposition remains in coastal areas. Negative topographic elements, previously occupied by central parts of ice sheets (Bothnian, Hudson Bay) would likely remain stable water storage with gradual shallowing up to future system of giant lakes. Hydro-isostasy impacted non-uniform relocation of coastal zone in local and regional scale.
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Counts, Ronald, Edward Woolery, Audrey Colleen Eason, Daniel Larsen, and Roy Van Arsdale. "LATE PLEISTOCENE AND HOLOCENE FAULTING SOUTHEAST OF THE NEW MADRID SEISMIC ZONE: THE JOINER RIDGE AND MEEMAN-SHELBY BLIND HORSTS, EASTERN ARKANSAS." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-319884.

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Miller, D. E., Pilar Gonzalez, Adrian Molinero, Zachary Levinson, Jesus Moreno, Jeffrey Buehler, Erika Woods, and Beni Missidimbazi. "KINEMATIC, STRATIGRAPHIC, AND SEDIMENTOLOGIC EVIDENCE FOR MID-MIOCENE-EARLY PLEISTOCENE TRANSTENSION AND TRANSPRESSION, EAST OF THE EASTERN CALIFORNIA SHEAR ZONE (ECSZ), NE MOJAVE." In Joint 70th Annual Rocky Mountain GSA Section / 114th Annual Cordilleran GSA Section Meeting - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018rm-313887.

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Cyr, Andrew J. "NEW SURFICIAL GEOLOGIC MAPPING REVEALS CHANGE FROM PLEISTOCENE DEXTRAL STRIKE SLIP TO HOLOCENE TRANSPRESSION ALONG THE SODA-AVAWATZ FAULT ZONE, EASTERN MOJAVE DESERT, CALIFORNIA." In 112th Annual GSA Cordilleran Section Meeting. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016cd-274572.

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Levykin, Sergey V., Grigoriy V. Kazachkov, Ilya G. Yakovlev, and Dmitriy A. Grudinin. "THE STEPPE TRACE IN CENTRAL ARCTIC AND ANTARCTIC." In Treshnikov readings – 2021 Modern geographical global picture and technology of geographic education. Ulyanovsk State Pedagogical University named after I. N. Ulyanov, 2021. http://dx.doi.org/10.33065/978-5-907216-08-2-2021-50-52.

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Considerations about steppe elements in modern Arctic and Antarctic high latitudes, about problematic sofy edoma, which was the ground for Late Pleistocene cryoarid mammoth prairies and their genetic relations to modern steppes are expounded. Taking the Antarctic hair grass (Deschampsia antarctica) Antarctic expansion into consideration, the steppe trace spreading is acknowledged for both Hemispheres high latitudes. The grass expansion in both Central Arctic and Antarctic is considered a compensation for steppe loss in their geographical zone and future potential for agricultural economy.
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Рябчук, Дарья, Daria Ryabchuk, Alexander Sergeev, Alexander Sergeev, Vadim Sivkov, Vadim Sivkov, Vladimir Zhamoida, et al. "MAIN TRENDS OF THE SAMBIAN COASTAL SYSTEM (SOUTH-EASTERN BALTIC) DEVELOPMENT: HOLOCENE LITHODYNAMICS AND RECENT COASTAL PROCESSES." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b431549d4c1.

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Synthesis of long-term geological research on the Russian region of the southeastern Baltic and its coastal zone has allowed for the establishment of boundaries and determination of the time of formation and the structure of the Sambian morpho-lythodynamic marine and coastal system. The systems studied include the coastal zone (at a the water depth of 30 m according to longshore storm wave current impacts) and adjacent silty-clay sedimentation basins. The development of the Curonian Spit area in the Late Pleistocene – Holocene was reconstructed based on marine geological and geophysical study and modelling. Comparative analyses of the geological settings of the Curonian and Vistula Spits and lagoons has shown that the mechanisms for their development are significantly different. By the late Holocene, the southeastern Baltic Sea consisted of several lithodynamic coastal systems. By 5 ka BP, both lagoon systems had formed. Evolution of the spits and lagoons during the last 5000 years caused the development of similar morphological features. The Vistula and Curonian lagoons transformed into sediment traps for alluvial deposits of the Neman and Pregola Rivers. Smoothing of the shoreline as a result of longshore sediment drift is a dominant coastal process.
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Рябчук, Дарья, Daria Ryabchuk, Alexander Sergeev, Alexander Sergeev, Vadim Sivkov, Vadim Sivkov, Vladimir Zhamoida, et al. "MAIN TRENDS OF THE SAMBIAN COASTAL SYSTEM (SOUTH-EASTERN BALTIC) DEVELOPMENT: HOLOCENE LITHODYNAMICS AND RECENT COASTAL PROCESSES." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b937c2e1840.32322222.

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Synthesis of long-term geological research on the Russian region of the southeastern Baltic and its coastal zone has allowed for the establishment of boundaries and determination of the time of formation and the structure of the Sambian morpho-lythodynamic marine and coastal system. The systems studied include the coastal zone (at a the water depth of 30 m according to longshore storm wave current impacts) and adjacent silty-clay sedimentation basins. The development of the Curonian Spit area in the Late Pleistocene – Holocene was reconstructed based on marine geological and geophysical study and modelling. Comparative analyses of the geological settings of the Curonian and Vistula Spits and lagoons has shown that the mechanisms for their development are significantly different. By the late Holocene, the southeastern Baltic Sea consisted of several lithodynamic coastal systems. By 5 ka BP, both lagoon systems had formed. Evolution of the spits and lagoons during the last 5000 years caused the development of similar morphological features. The Vistula and Curonian lagoons transformed into sediment traps for alluvial deposits of the Neman and Pregola Rivers. Smoothing of the shoreline as a result of longshore sediment drift is a dominant coastal process.
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Reports on the topic "The Pleistocene periglacial zone"

1

Lamothe, M. Pleistocene stratigraphy and till geochemistry of the Miramichi Zone, New Brunswick. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1992. http://dx.doi.org/10.4095/183878.

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Properties and chemical constituents in ground water from permeable Zone B (lower Pleistocene-upper Pliocene deposits) coastal lowlands aquifer system, south-central United States. US Geological Survey, 1993. http://dx.doi.org/10.3133/wri914152.

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Properties and chemical constituents in ground water from the Mississippi River Valley alluvial aquifer and permeable zone A (Holocene-upper Pleistocene deposits) south-central United States. US Geological Survey, 1992. http://dx.doi.org/10.3133/wri914149.

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