Academic literature on the topic 'Planet geology'

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Journal articles on the topic "Planet geology"

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Klimczak, Christian, Paul K. Byrne, A. M. Celâl Şengör, and Sean C. Solomon. "Principles of structural geology on rocky planets." Canadian Journal of Earth Sciences 56, no. 12 (December 2019): 1437–57. http://dx.doi.org/10.1139/cjes-2019-0065.

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Although Earth is the only known planet on which plate tectonics operates, many small- and large-scale tectonic landforms indicate that deformational processes also occur on the other rocky planets. Although the mechanisms of deformation differ on Mercury, Venus, and Mars, the surface manifestations of their tectonics are frequently very similar to those found on Earth. Furthermore, tectonic processes invoked to explain deformation on Earth before the recognition of horizontal mobility of tectonic plates remain relevant for the other rocky planets. These connections highlight the importance of drawing analogies between the rocky planets for characterizing deformation of their lithospheres and for describing, applying appropriate nomenclature, and understanding the formation of their resulting tectonic structures. Here we characterize and compare the lithospheres of the rocky planets, describe structures of interest and where we study them, provide examples of how historic views on geology are applicable to planetary tectonics, and then apply these concepts to Mercury, Venus, and Mars.
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Searle, R. C. "Marine geology — A planet earth perspective." Marine and Petroleum Geology 5, no. 3 (August 1988): 300. http://dx.doi.org/10.1016/0264-8172(88)90011-6.

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Yusoff, Kathryn. "Geosocial Strata." Theory, Culture & Society 34, no. 2-3 (January 18, 2017): 105–27. http://dx.doi.org/10.1177/0263276416688543.

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The Anthropocene marks a moment of wild destratification of the planet that requires analysis of the relations between geologic forces and social practices. Deleuze and Guattari’s concept of strata is examined in order to develop a geophilosophy for the Anthropocene. Establishing a model of strata that conjoins earth and social flows together into planes of interrelated production highlights how the fossil substratum subtends contemporary forms of social relations. Stratifications, it is argued, are planes of social reproduction that both constrain and are expressive of possible modes of expression (and thus political freedom). If power, according to Foucault, is a relation between forces, geosocial strata conceptualizes how stratifications organize and capture forces into political geology. Concentrating on diagramming moments of crossing strata, it is suggested that Anthropocene geopolitics needs to be located at the intersection of geosocial formations and processes of fossilization, rather than through a new assemblage of planetary scale.
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Goldblatt, C., K. J. Zahnle, N. H. Sleep, and E. G. Nisbet. "The Eons of Chaos and Hades." Solid Earth 1, no. 1 (February 2, 2010): 1–3. http://dx.doi.org/10.5194/se-1-1-2010.

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Abstract. We propose the Chaotian Eon to demarcate geologic time from the origin of the Solar System to the Moon-forming impact on Earth. This separates the solar system wide processes of planet formation from the subsequent divergent evolution of the inner planets. We further propose the division of the Hadean Eon into eras and periods and naming the proto-Earth Tellus.
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Sanloup, Chrystele. "High-pressure experimental geosciences: state of the art and prospects." Bulletin de la Société Géologique de France 183, no. 3 (May 1, 2012): 175–87. http://dx.doi.org/10.2113/gssgfbull.183.3.175.

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Abstract This paper aims at reviewing the current advancements of high pressure experimental geosciences. The angle chosen is that of in situ measurements at the high pressure (P) and high temperature (T) conditions relevant of the deep Earth and planets, measurements that are often carried out at large facilities (X-ray synchrotrons and neutron sources). Rather than giving an exhaustive catalogue, four main active areas of research are chosen: the latest advancements on deep Earth mineralogy, how to probe the properties of melts, how to probe Earth dynamics, and chemical reactivity induced by increased P-T conditions. For each area, techniques are briefly presented and selected examples illustrate their potentials, and what that tell us about the structure and dynamics of the planet.
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SUWA, K. "The Planet Earth Viewed from Africa." Gondwana Research 6, no. 4 (October 2003): 961. http://dx.doi.org/10.1016/s1342-937x(05)71050-9.

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Bridges, N. T., M. C. Bourke, P. E. Geissler, M. E. Banks, C. Colon, S. Diniega, M. P. Golombek, et al. "Planet-wide sand motion on Mars." Geology 40, no. 1 (November 14, 2011): 31–34. http://dx.doi.org/10.1130/g32373.1.

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Mangel, Adam, and Steve Sloan. "Introduction to this special section: Near-surface geophysics." Leading Edge 38, no. 6 (June 2019): 434. http://dx.doi.org/10.1190/tle38060434.1.

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The near surface of the earth, a.k.a. the critical zone (National Research Council, 2001), is defined as the outer 50–100 m of the planet, which contains biota, bedrock, soil, water, and gasses. As humans, we rely on this layer for many functions including storage of water resources, housing of our infrastructure, storage of our wastes, and cultivation of our food sources. Several natural ecosystems are also dependent on this layer of our planet, which in turn provide us with ecosystem services. The historic and lasting importance of this layer to our environment emphasizes the value in understanding major environmental fluxes, impact of human activities, and the interface between the natural world and our infrastructure. Application of geophysical methods in this field has increased steadily over the past 15 years and continues to grow, especially as the human impact on the globe continues to increase.
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Kwok, Sun, Edwin Bergin, and Pascale Ehrenfreund. "Search for water and life's building blocks in the Universe." Proceedings of the International Astronomical Union 11, A29B (August 2015): 375. http://dx.doi.org/10.1017/s1743921316005573.

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Water is the common ground between astronomy and planetary science as the presence of water on a planet is universally accepted as essential for its potential habitability. Water assists many biological chemical reactions leading to complexity by acting as an effective solvent. It shapes the geology and climate on rocky planets, and is a major or primary constituent of the solid bodies of the outer solar system. Water ice seems universal in space and is by far the most abundant condensed-phase species in our universe. Water-rich icy layers cover dust particles within the cold regions of the interstellar medium and molecular ices are widespread in the solar system. The poles of terrestrial planets (e.g. Earth, Mars) and most of the outer-solar-system satellites are covered with ice. Smaller solar system bodies, such as comets and Kuiper Belt Objects (KBOs), contain a significant fraction of water ice and trace amounts of organics. Beneath the ice crust of several moons of Jupiter and Saturn liquid water oceans probably exist.
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Paschoale, Conrado, and Silvia de Mendonca Figueiroa. "Geologic Time: A Semiotic Probing." Earth Sciences History 8, no. 2 (January 1, 1989): 116–22. http://dx.doi.org/10.17704/eshi.8.2.9w10334423243554.

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Time is a continuum and is real, according to Peircean theory. It is also the constitutive category of geology that is equivalent to the Peircean category of Thirdness. As a continuum, time was created and evolved. Although the conceptions of a linear and a cyclic time played a role in the development of geological science, they were not deduced from geological observations; they were a priori assumptions. Hence, time is a methodological device. Continuity, for Peirce, exists on evolutionary terms. Chance or Firstness is always present in every phenomenon. So, time is continual rather then continuous, a continuum where new possibilities of development can be added, by the action of Chance or Firstness. The notion of cycle in geologic time should be reviewed. For Peirce real time is multiply- or n-tracked. Real time is open to firstness. According to this, geologic time is the vestige, a great vestige, of the fixed and definite track which, within the n-possibilities of development, the planet evolved, incorporating changes produced by chance.
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Dissertations / Theses on the topic "Planet geology"

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BARLOW, NADINE GAIL. "RELATIVE AGES AND THE GEOLOGIC EVOLUTION OF MARTIAN TERRAIN UNITS (MARS, CRATERS)." Diss., The University of Arizona, 1987. http://hdl.handle.net/10150/184013.

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Existing martian relative age chronologies rely entirely or predominantly on Mariner 9 images, extrapolated numbers of craters, and craters 500(DEGREES)K) for the planet are consistent with the derived chronology.
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Fan, Chaojun. "Revealing the hydrological history of Mars." Online access for everyone, 2008. http://www.dissertations.wsu.edu/Dissertations/Spring2008/Chaojun_Fan_032808.pdf.

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Polit, Anjani T. "Influence of mechanical stratigraphy and strain on the displacement-length scaling of normal faults on Mars." abstract and full text PDF (free order & download UNR users only), 2005. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1433375.

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Soare, Richard J. "The restructuring of analogical reasoning in planetary science /." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82428.

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Despite its ubiquity in planetary science, analogue-based reasoning largely has remained unbounded by guidelines of use. Establishing analogical guidelines and putting them to the test is the main aim of the thesis. Towards this end, I discuss the philosophical foundations of analogical reasoning in planetary geomorphology and posit rules of use that facilitate the evaluation of analogical hypotheses. Subsequently, I present four hypotheses concerning aeolian, fluvial and periglacial processes on Mars. Each of these hypotheses is evaluated in terms of the analogical rules presented. The fourth hypothesis is original to this thesis and suggests that a periglacial landscape comprising pingos and small-scale polygonal ground exists in an impact crater located in northwest Utopia Planitia.
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Gilligan, Amy Rebecca. "Imaging the structure of the crust and upper mantle in central Asia." Thesis, University of Cambridge, 2014. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708358.

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Nunn, Ceri. "Tomographic images of the crust and upper mantle beneath the Tibetan Plateau : using body waves, surface waves and a joint inversion." Thesis, University of Cambridge, 2014. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.708398.

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Smith, Amy Renee. "Subsurface Igneous Mineral Microbiology: Iron-Oxidizing Organotrophs on Olivine Surfaces and the Significance of Mineral Heterogeneity in Basalts." PDXScholar, 2011. https://pdxscholar.library.pdx.edu/open_access_etds/294.

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The subsurface igneous biome contains a vast portion of Earth's total biomass, yet we still know so little about it. Igneous environments such as iron-rich ocean crust and lava tubes may also host analogs to chemolithotrophically-driven life on other planets, so studying life in this biome is essential to understanding how life may survive on other planets. In this study, three igneous surface and subsurface environments were investigated for microbial preference for olivine, microbial physiologies and phylotypes present on olivine, and microbial growth on olivine in the laboratory via iron oxidation. These environments include a subseafloor borehole drilled into the ocean crust basalt basement, a lava tube with perennial ice, and a trio of Columbia River basalt-hosted freshwater terrestrial habitats. The subseafloor borehole (IODP Hole 1301A) is situated on the eastern flank of Juan de Fuca Ridge (JFR) and was used in the first long-term deployment of microbial enrichment flow cells using osmotically-driven pumps. The flow cells contained igneous minerals and glasses, for which cell density and microbial abundances were evaluated. Total cell density and viable oligotrophs were highest for Fe(II)-rich olivines. Organotrophic bacterial isolates were capapble of iron oxidation and nitrate reduction, and grew on olivine in the laboratory. Putative neutrophilic iron oxidizers were also isolated from igneous riparian and cave environments in northwest and central Oregon. Isolated bacteria from all three environments were capable of chemolithotrophic growth with olivine and oxygen or nitrate in the laboratory. Bacteria isolated from river basalt were putatively capable of producing alteration textures on olivine surfaces in culture. Microbial life in the igneous subsurface preferentially attach to Fe²⁺-rich minerals, which suggests that life in the subsurface is heterogeneously distributed. The isolation of oligotrophic iron oxidizers that grow on olivine suggests that olivine supports a chemolithotrophic subsurface community based on primary productivity via iron oxidation. This generation of biomass on olivine surfaces creates organic carbon-rich coated mineral surfaces that may support a more complex community. The identification of Mars analogs living in Oregon lava tubes and the discovery that iron oxidizers may produce biosignatures on olivine surfaces are key findings that may provide the foundation for a new chapter in the search for life on Mars.
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Yang, Jiaming. "Melting in the Mantle Wedge: Quantifying the Effects of Crustal Morphology and Viscous Decoupling on Melt Production with Application to the Cascadia Subduction Zone." PDXScholar, 2017. https://pdxscholar.library.pdx.edu/open_access_etds/3880.

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Arc magmatism is sustained by the complex interactions between the subducting slab, the overriding plate, and the mantle wedge. Partial melting of mantle peridotite is achieved by fluid-induced flux melting and decompression melting due to upward flow. The distribution of melting is sensitive to temperature, the pattern of flow, and the pressure in the mantle wedge. The arc front is the surface manifestation of partial melting in the mantle wedge and is characterized by a narrow chain of active volcanoes that migrate in time. The conventional interpretation is that changes in slab dip angle lead to changes in the arc front position relative to the trench. We explore an alternative hypothesis: evolution of the overlying plate, specifically thickening of the arc root, causes arc front migration. We investigate the effects of varying crustal morphology and viscous decoupling of the shallow slab-mantle interface on melt production using 2D numerical models involving a stationary overriding plate, a subducting plate with prescribed motion, and a dynamic mantle wedge. Melt production is quantified using a hydrous melting parameterization. We conclude: 1) Localized lithospheric thickening shifts the locus of melt production trenchward while thinning shifts melting landward. 2) Inclined LAB topography modulates the asthenospheric flow field, producing a narrow, well-defined arc front. 3) Thickening of the overriding plate exerts increased torque on the slab, favoring shallowing of the dip angle. 4) Viscous decoupling produces a cold, stagnant forearc mantle but promotes arc front melting due to reduction in the radius of corner flow, leading to higher temperatures at the coupling/decoupling transition.
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Karakas, Ozge. "Modulation of crustal magmatic systems by external tectonic forcing." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/45964.

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We develop a two dimensional model that simulates the response of the crust to prolonged mantle-derived intrusions in arc environments. The domain includes the entire crustal section and upper mantle and focuses on the evolving thermal structure due to intrusions and external tectonic forcing. We monitor the thermal response, melt fraction and volume for different environments after a definite time by considering geologically relevant melt flux and extensional tectonic rates. The amount of crustal melt versus fractionated primary mantle melts present in the crustal column helps determine crustal structure and growth through time. We observe that with a geophysically estimated flux and tectonic rate, the mantle-derived magma bodies can melt the surrounding volume of crust. We express the amount of crustal melting in terms of an efficiency; therefore we define the melting efficiency as the ratio of the melted volume of crustal material to the volume of melt expected from a strict enthalpy balance as explained by Dufek and Bergantz (2005). Melting efficiencies are less than 1.0 in real systems because heat diffuses to sections of the crust that never melt. The maximum calculated efficiency is 0.05 in our model while most of our simulations show zero efficiency. Additionally, maximum total melt amount is observed in relatively greater extensional environments (0.02 m/yr) and high intrusion rates (10⁻² m³/m²/yr) and in long time periods (2 x 10⁶ years). However, maximum crustal melting in the same environment is reached in 1.2 x 10⁶ years. The relative amounts of mantle-derived and crustal melts in the total volume of magma suggest that the majority of magma composition in crustal column is derived from the mantle material.
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Laurie, Angelique. "The formation of Earth’s early felsic continental crust by water-present eclogite melting." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/80214.

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Thesis (PhD)--Stellenbosch University, 2013.
ENGLISH ABSTRACT: The sodic and leucocratic Tonalite, Trondhjemite and Granodiorite (TTG) granitoid series of rocks characterise Paleo- to Meso- Archaean felsic continental crust, yet are uncommon in the post-Archaean rock record. Consequently, petrogenetic studies on these rocks provide valuable insight into the creation and evolution of Earth’s early continental crust. The highpressure (HP)-type of Archaean TTG magmas are particularly important in this regard as their geochemistry requires that they are formed by high-pressure melting of a garnet-rich eclogitic source. This has been interpreted as evidence for the formation of these magmas by anatexis of the upper portions of slabs within Archaean subduction zones. In general, TTG magmas have been assumed to arise through fluid-absent partial melting of metamafic source rocks. Therefore, very little experimental data on fluid-present eclogite melting to produce Archaean TTG exist, despite the fact that water drives magmatism in modern arcs. Consequently, this study experimentally investigates the role of fluid-present partial melting of eclogite-facies metabasaltic rock in the production of Paleo- to Meso-Archaean HP-type TTG melts. Experiments are conducted between 1.6 GPa and 3.0 GPa and 700 ºC and 900 ºC using natural and synthetic eclogite, and gel starting materials of low-K2O basaltic composition. Partial melting of the natural and synthetic eclogite occurred between 850 ºC and 870 ºC at pressures above 1.8 GPa, and the melting reaction is characterised by the breakdown of sodic clinopyroxene, quartz and water: Qtz + Cpx1 + H2O ± Grt1 = Melt + Cpx2 ± Grt2. The experimental melts have the compositions of sodic peraluminous trondhjemites and have compositions that are similar to the major, trace and rare earth element composition of HPtype Archaean TTG. This study suggests that fluid-present eclogite melting is a viable petrogenetic model for this component of Paleo- to Meso-Archaean TTG crust. The nature of the wet low-K2O eclogite-facies metamafic rock solidus has been experimentally defined and inflects towards higher temperatures at the position of the plagioclase-out reaction. Therefore, the results indicate that a crystalline starting material is necessary to define this solidus to avoid metastable melting beyond temperatures of the Pl + H2O + Qtz solidus at pressures above plagioclase stability. Furthermore, this study uses numerical and metamorphic models to demonstrate that for reasonable Archaean mantle wedge temperatures within a potential Archaean subduction zone, the bulk of the water produced by metamorphic reactions within the slabs is captured by an anatectic zone near the slab surface. Therefore, this geodynamic model may account for HP-type Archaean TTG production and additionally provides constraints for likely Archaean subduction. The shape of the relevant fluid-present solidus is similar to the shape of the pressure-temperature paths followed by upper levels of the proposed Archaean subducting slab, which makes water-fluxed slab anatexis is very dependant on the temperature in the mantle wedge. I propose that cooling of the upper mantle by only a small amount during the late Archaean ended fluid-present melting of the slab. This allowed slab water to migrate into the wedge and produce intermediate composition magmatism which has since been associated with subduction zones.
AFRIKAANSE OPSOMMING: Die reeks natruimhoudende en leukokraties Tonaliet, Trondhjemiet en Granodioriet (TTG) felsiese stollingsgesteentes is kenmerkend in die Paleo- tot Meso-Argeïkum felsiese kontinentale kors, maar is ongewoon in die post-Argeïese rots rekord. Gevolglik, petrogenetiese studies op hierdie rotse verskaf waardevolle insig in die skepping en evolusie van die aarde se vroeë kontinentale kors. Die hoë-druk (HD)-tipe van die Argeïkum TTG magmas is veral belangrik in hierdie verband as hulle geochemie vereis dat hulle gevorm word deur hoë druk smelting van 'n granaat-ryk eklogitiese bron. Dit word interpreteer as bewys vir die vorming van hierdie magmas deur smelting van die boonste gedeeltes van die blaaie in Argeïese subduksie sones. TTG magmas in die algemeen, is veronderstel om op te staan deur middel van water-afwesig gedeeltelike smelting van metamafiese bron rotse. Daarom bestaan baie min eksperimentele data op water-teenwoordig eklogiet smelting om Argeïkum TTG te produseer, ten spyte van die feit dat water magmatisme dryf in moderne boë. Gevolglik is hierdie studie ‘n eksperimentele ondersoek in die rol van water-teenwoordig gedeeltelike smelting van eklogiet-fasies metamafiese rots in die produksie van Paleo- tot Meso-Argeïkum HD-tipe TTG smelte. Eksperimente word uitgevoer tussen 1.6 GPa en 3.0 GPa en 700 ºC en 900 ºC met behulp van natuurlike en sintetiese eklogiet, en gel begin materiaal van lae-K2O basaltiese samestelling. Gedeeltelike smelting van die natuurlike en sintetiese eklogiet het plaasgevind tussen 850 ºC en 870 ºC te druk bo 1.8 GPa, en die smeltings reaksie is gekenmerk deur die afbreek van natruimhoudende klinopirokseen, kwarts en water: Qtz + Cpx1 + H2O ± Grt1 = Smelt + Cpx2 ± Grt2. Die eksperimentele smelte het die komposisies van natruimhoudende trondhjemites en is soortgelyk aan die hoof-, spoor- en seldsame aard element samestelling van HD-tipe Argeïkum TTG. Hierdie studie dui daarop dat water-teenwoordig eklogiet smelting 'n lewensvatbare petrogenetiese model is vir hierdie komponent van Paleo- tot Meso-Argeïkum TTG kors. Die aard van die nat lae-K2O eklogietfasies metamafiese rock solidus is eksperimenteel gedefinieër en beweeg na hoër temperature by die posisie van die plagioklaas-out reaksie. Daarom dui die resultate daarop dat 'n kristallyne materiaal nodig is om hierdie solidus te definieër en metastabiele smelting buite temperature van die Pl + H2O + Qtz solidus druk bo plagioklaas stabiliteit te vermy. Verder maak hierdie studie gebruik van numeriese en metamorfiese modelle om aan te dui dat die grootste deel van die water geproduseer deur metamorfiese reaksies binne die blaaie bestaan vir redelike Argeïkum mantel wig temperature binne 'n potensiële Argeïkum subduksie sone, en word opgevang deur 'n smelting sone naby die blad oppervlak. Daarom kan hierdie geodinamies model rekenskap gee vir HD-tipe Argeïkum TTG produksie en dit bied ook die beperkinge vir waarskynlik Argeïese subduksie. Die vorm van die betrokke waterteenwoordig solidus is soortgelyk aan die vorm van die druk-temperatuur paaie gevolg deur die boonste vlakke van die voorgestelde Argeïkum subderende blad, wat water-vloeiing blad smeltingbaie afhanklik maak van die temperatuur in die mantel wig. Ons stel voor dat afkoeling van die boonste mantel met slegs 'n klein hoeveelheid gedurende die laat Argeïese, die water-vloeiing smelting van die blad beëindig. Dit het toegelaat dat die blad water in die wig migreer en intermediêre samestelling magmatisme produseer wat sedert geassosieer word met subduksie sones.
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Books on the topic "Planet geology"

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1928-, Skinner Brian J., ed. Geology today: Understanding our planet. New York: J. Wiley, 2003.

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Murck, Barbara Winifred. Geology today: Understanding our planet. New York: John Wiley, 1999.

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Cattermole, Peter John. Building planet Earth. Cambridge, U.K: Cambridge University Press, 2000.

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Planet earth. North Mankato, Minn: Stargazer Books, 2004.

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ill, Nevett Louise, ed. Planet Earth. New York: Gloucester Press, 1987.

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R, Prothero Donald, ed. Earth: Portrait of a planet. New York: Norton, 2001.

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Marine geology: A planet earth perspective. New York: Wiley, 1986.

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Earth: Portrait of a planet. 4th ed. New York: W. W. Norton, 2012.

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Marshak, Stephen. Earth: Portrait of a planet. 3rd ed. New York: W.W. Norton, 2008.

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Richard, Lawrence, ed. Our planet Earth. 3rd ed. Petersburg, Ky: Answers in Genesis, 2008.

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Book chapters on the topic "Planet geology"

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Jain, Sreepat. "Earth as a Planet." In Fundamentals of Physical Geology, 57–75. New Delhi: Springer India, 2014. http://dx.doi.org/10.1007/978-81-322-1539-4_4.

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Rossi, Angelo Pio, Stephan van Gasselt, and Harald Hiesinger. "The Terrestrial Planets." In Planetary Geology, 249–83. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65179-8_11.

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Schmedemann, Nico, Matteo Massironi, Roland Wagner, and Katrin Stephan. "Small Bodies and Dwarf Planets." In Planetary Geology, 311–43. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65179-8_13.

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Hay, William W. "Geologic Time." In Experimenting on a Small Planet, 62–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28560-8_3.

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Hay, William W. "Geologic Time." In Experimenting on a Small Planet, 76–102. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27404-1_4.

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Hay, William W. "Geologic Time." In Experimenting on a Small Planet, 89–115. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-76339-8_5.

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Jain, Sreepat. "The Solar System: Sun and Planets." In Fundamentals of Physical Geology, 13–35. New Delhi: Springer India, 2014. http://dx.doi.org/10.1007/978-81-322-1539-4_2.

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Greeley, Ronald. "Geology of Terrestrial Planets with Dynamic Atmospheres." In Comparative Planetology with an Earth Perspective, 13–27. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-017-1092-3_2.

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Sarma, Hemen, and M. N. V. Prasad. "Plant-Microbe Association-Assisted Removal of Heavy Metals and Degradation of Polycyclic Aromatic Hydrocarbons." In Springer Geology, 219–36. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-03119-4_10.

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Hay, William W. "Putting Numbers on Geologic Ages." In Experimenting on a Small Planet, 96–139. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28560-8_4.

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Conference papers on the topic "Planet geology"

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Simmons, M., and R. Davies. "Arabian Plate Sequence Stratigraphy Revisited: Mega-Sequences AP9 and AP10." In Sixth Arabian Plate Geology Workshop. Netherlands: EAGE Publications BV, 2016. http://dx.doi.org/10.3997/2214-4609.201602385.

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H. Youssef, A. "Sequence Stratigraphy of Radhuma Section; Onshore Kuwait." In Sixth Arabian Plate Geology Workshop. Netherlands: EAGE Publications BV, 2016. http://dx.doi.org/10.3997/2214-4609.201602386.

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Al-Bloushi, A. "Depositional History of the Lower to Middle Eocene Dammam Formation in Kuwait." In Sixth Arabian Plate Geology Workshop. Netherlands: EAGE Publications BV, 2016. http://dx.doi.org/10.3997/2214-4609.201602387.

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Farraday, J., and W. Tan. "Pre-Aruma Unconformity and Lower Aruma Channels in Eastern Saudi Arabia." In Sixth Arabian Plate Geology Workshop. Netherlands: EAGE Publications BV, 2016. http://dx.doi.org/10.3997/2214-4609.201602388.

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Bernecker, M., A. Al Jabri, and S. Al Shaqsi. "The Ras Al Hamra Limestone: An Outcrop Analogue to the Shallow Cores of Umm Er Radhuma Formation?" In Sixth Arabian Plate Geology Workshop. Netherlands: EAGE Publications BV, 2016. http://dx.doi.org/10.3997/2214-4609.201602389.

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Dernaika, M., S. Koronfol, O. Al Jallad, J. Walls, and G. Sinclair. "Variations of Shale Rock Properties from Different Formations in the Middle East." In Sixth Arabian Plate Geology Workshop. Netherlands: EAGE Publications BV, 2016. http://dx.doi.org/10.3997/2214-4609.201602390.

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Almasinia, B., S. Ali Moallemi, F. Fürsich, and M. Ahmad Hosseini. "Strontium Isotope Stratigraphy at Middle Eocene from the Zagros Mountains of Iran." In Sixth Arabian Plate Geology Workshop. Netherlands: EAGE Publications BV, 2016. http://dx.doi.org/10.3997/2214-4609.201602391.

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Fred Read, J. "Keynote Speech: Prof. J. Fred Read (Virginia Tech, USA)." In Fourth Arabian Plate Geology Workshop. Netherlands: EAGE Publications BV, 2012. http://dx.doi.org/10.3997/2214-4609.20142772.

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Koopman, A. "The Relation between Regional (Palaeo-)stress Engines, Sand Machines, and Carbonate Factories in the Middle East Region." In Fourth Arabian Plate Geology Workshop. Netherlands: EAGE Publications BV, 2012. http://dx.doi.org/10.3997/2214-4609.20142773.

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Davies, R. B., and M. D. Simmons. "Sequence Stratigraphy and Depositional Systems in the Late Jurassic to Early Cretaceous (Oxfordian to Valanginian) of the Arabian Plate: Implications for Regional Exploration and Reservoir Description." In Fourth Arabian Plate Geology Workshop. Netherlands: EAGE Publications BV, 2012. http://dx.doi.org/10.3997/2214-4609.20142774.

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Reports on the topic "Planet geology"

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Karlstrom, Karl, Laura Crossey, Allyson Matthis, and Carl Bowman. Telling time at Grand Canyon National Park: 2020 update. National Park Service, April 2021. http://dx.doi.org/10.36967/nrr-2285173.

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Grand Canyon National Park is all about time and timescales. Time is the currency of our daily life, of history, and of biological evolution. Grand Canyon’s beauty has inspired explorers, artists, and poets. Behind it all, Grand Canyon’s geology and sense of timelessness are among its most prominent and important resources. Grand Canyon has an exceptionally complete and well-exposed rock record of Earth’s history. It is an ideal place to gain a sense of geologic (or deep) time. A visit to the South or North rims, a hike into the canyon of any length, or a trip through the 277-mile (446-km) length of Grand Canyon are awe-inspiring experiences for many reasons, and they often motivate us to look deeper to understand how our human timescales of hundreds and thousands of years overlap with Earth’s many timescales reaching back millions and billions of years. This report summarizes how geologists tell time at Grand Canyon, and the resultant “best” numeric ages for the canyon’s strata based on recent scientific research. By best, we mean the most accurate and precise ages available, given the dating techniques used, geologic constraints, the availability of datable material, and the fossil record of Grand Canyon rock units. This paper updates a previously-published compilation of best numeric ages (Mathis and Bowman 2005a; 2005b; 2007) to incorporate recent revisions in the canyon’s stratigraphic nomenclature and additional numeric age determinations published in the scientific literature. From bottom to top, Grand Canyon’s rocks can be ordered into three “sets” (or primary packages), each with an overarching story. The Vishnu Basement Rocks were once tens of miles deep as North America’s crust formed via collisions of volcanic island chains with the pre-existing continent between 1,840 and 1,375 million years ago. The Grand Canyon Supergroup contains evidence for early single-celled life and represents basins that record the assembly and breakup of an early supercontinent between 729 and 1,255 million years ago. The Layered Paleozoic Rocks encode stories, layer by layer, of dramatic geologic changes and the evolution of animal life during the Paleozoic Era (period of ancient life) between 270 and 530 million years ago. In addition to characterizing the ages and geology of the three sets of rocks, we provide numeric ages for all the groups and formations within each set. Nine tables list the best ages along with information on each unit’s tectonic or depositional environment, and specific information explaining why revisions were made to previously published numeric ages. Photographs, line drawings, and diagrams of the different rock formations are included, as well as an extensive glossary of geologic terms to help define important scientific concepts. The three sets of rocks are separated by rock contacts called unconformities formed during long periods of erosion. This report unravels the Great Unconformity, named by John Wesley Powell 150 years ago, and shows that it is made up of several distinct erosion surfaces. The Great Nonconformity is between the Vishnu Basement Rocks and the Grand Canyon Supergroup. The Great Angular Unconformity is between the Grand Canyon Supergroup and the Layered Paleozoic Rocks. Powell’s term, the Great Unconformity, is used for contacts where the Vishnu Basement Rocks are directly overlain by the Layered Paleozoic Rocks. The time missing at these and other unconformities within the sets is also summarized in this paper—a topic that can be as interesting as the time recorded. Our goal is to provide a single up-to-date reference that summarizes the main facets of when the rocks exposed in the canyon’s walls were formed and their geologic history. This authoritative and readable summary of the age of Grand Canyon rocks will hopefully be helpful to National Park Service staff including resource managers and park interpreters at many levels of geologic understandings...
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Richard, S. H. Surficial Geology, Carleton Place, Ontario. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1990. http://dx.doi.org/10.4095/130940.

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Barnett, D. BRENT, Bruce N. Bjornstad, Karl R. Fecht, David C. Lanigan, Steve Reidel, and Colleen F. Rust. Geology of the Waste Treatment Plant Seismic Boreholes. Office of Scientific and Technical Information (OSTI), February 2007. http://dx.doi.org/10.2172/900923.

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Barnett, D. Brent, Karl R. Fecht, Stephen P. Reidel, Bruce N. Bjornstad, David C. Lanigan, and Colleen F. Rust. Geology of the Waste Treatment Plant Seismic Boreholes. Office of Scientific and Technical Information (OSTI), May 2007. http://dx.doi.org/10.2172/912724.

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Mortensen, J. K. Geology, Geochronology, and Placer Gold Sources, Klondike. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1990. http://dx.doi.org/10.4095/131222.

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Bélanger, J. R., A. Moore, and A. Prégent. Surficial geology, digital map, Carleton Place, Ontario (31F/1). Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1997. http://dx.doi.org/10.4095/209123.

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Tweet, Justin S., Vincent L. Santucci, Kenneth Convery, Jonathan Hoffman, and Laura Kirn. Channel Islands National Park: Paleontological resource inventory (public version). National Park Service, September 2020. http://dx.doi.org/10.36967/nrr-2278664.

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Channel Island National Park (CHIS), incorporating five islands off the coast of southern California (Anacapa Island, San Miguel Island, Santa Barbara Island, Santa Cruz Island, and Santa Rosa Island), has an outstanding paleontological record. The park has significant fossils dating from the Late Cretaceous to the Holocene, representing organisms of the sea, the land, and the air. Highlights include: the famous pygmy mammoths that inhabited the conjoined northern islands during the late Pleistocene; the best fossil avifauna of any National Park Service (NPS) unit; intertwined paleontological and cultural records extending into the latest Pleistocene, including Arlington Man, the oldest well-dated human known from North America; calichified “fossil forests”; records of Miocene desmostylians and sirenians, unusual sea mammals; abundant Pleistocene mollusks illustrating changes in sea level and ocean temperature; one of the most thoroughly studied records of microfossils in the NPS; and type specimens for 23 fossil taxa. Paleontological research on the islands of CHIS began in the second half of the 19th century. The first discovery of a mammoth specimen was reported in 1873. Research can be divided into four periods: 1) the few early reports from the 19th century; 2) a sustained burst of activity in the 1920s and 1930s; 3) a second burst from the 1950s into the 1970s; and 4) the modern period of activity, symbolically opened with the 1994 discovery of a nearly complete pygmy mammoth skeleton on Santa Rosa Island. The work associated with this paleontological resource inventory may be considered the beginning of a fifth period. Fossils were specifically mentioned in the 1938 proclamation establishing what was then Channel Islands National Monument, making CHIS one of 18 NPS areas for which paleontological resources are referenced in the enabling legislation. Each of the five islands of CHIS has distinct paleontological and geological records, each has some kind of fossil resources, and almost all of the sedimentary formations on the islands are fossiliferous within CHIS. Anacapa Island and Santa Barbara Island, the two smallest islands, are primarily composed of Miocene volcanic rocks interfingered with small quantities of sedimentary rock and covered with a veneer of Quaternary sediments. Santa Barbara stands apart from Anacapa because it was never part of Santarosae, the landmass that existed at times in the Pleistocene when sea level was low enough that the four northern islands were connected. San Miguel Island, Santa Cruz Island, and Santa Rosa Island have more complex geologic histories. Of these three islands, San Miguel Island has relatively simple geologic structure and few formations. Santa Cruz Island has the most varied geology of the islands, as well as the longest rock record exposed at the surface, beginning with Jurassic metamorphic and intrusive igneous rocks. The Channel Islands have been uplifted and faulted in a complex 20-million-year-long geologic episode tied to the collision of the North American and Pacific Places, the initiation of the San Andreas fault system, and the 90° clockwise rotation of the Transverse Ranges, of which the northern Channel Islands are the westernmost part. Widespread volcanic activity from about 19 to 14 million years ago is evidenced by the igneous rocks found on each island.
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Bundtzen, T. K. Placer geology of the Porcupine Mining District, Skagway B-4 Quadrangle, Alaska. Alaska Division of Geological & Geophysical Surveys, 1986. http://dx.doi.org/10.14509/1201.

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Fallaw, W. C., and K. A. Sargent. Subsurface geology of the A and M areas at the Savannah River Plant, Aiken, South Carolina. Office of Scientific and Technical Information (OSTI), June 1986. http://dx.doi.org/10.2172/481491.

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Aldridge, David F. Reflection and Transmission of Plane Electromagnetic Waves by a Geologic Layer. Office of Scientific and Technical Information (OSTI), April 2017. http://dx.doi.org/10.2172/1367459.

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