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Artykuły w czasopismach na temat „Gravel deposit”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

DOS SANTOS, MANOEL LUIZ, and JOSÉ CANDIDO STEVAUX. "Fáceis e associações dos depósitos rudáceos na rudáceos na Bacia do Rio Paraná em seu curso superior: uma tentativa de classificação." Pesquisas em Geociências 28, no. 2 (2001): 171. http://dx.doi.org/10.22456/1807-9806.20284.

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This paper proposes a classification of gravel deposits in the upper Paraná River Basin based on their genesis, sedimentary facies and depositional processes. They were classified in four types: a) Upper slope oligomictic gravel (Fine and coarse-sand associations) – this deposit is associated with the origin of hydrographic basin during the Tertiary; b) Middle slope oligomictic gravel – It constitutes colluvial deposits related to present topography; c) Lower slope oligomictic gravel – this deposit is associated with present river valley; d) Polymictic gravel – deposited during the Pleistocene

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Boguslavskiy, M. A., and S. O. Khudyakov. "Characteristics of native gold at Kosumnerskoe placer gold deposit (the Nether-Polar Urals)." Proceedings of higher educational establishments. Geology and Exploration, no. 5 (November 2, 2018): 24–30. http://dx.doi.org/10.32454/0016-7762-2018-5-24-30.

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The paper presents the results of a study of heavy mineral concentrates of Kosumnerskoe gold deposit as well as the native gold from them. This gold deposit includes two gravel deposits. The granulometric composition, morphology, roundness, flatness, presence of intergrowths of gold with other minerals, as well as the character of the surface, the chemical composition and internal structure of gold, have been investigated. Based on these results, the placer gold of rivers Narta-Yu and Nester-Shor has been concluded to be similar in morphology, chemical composition and internal structure so it

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Sekisov, Artur, Anna Rasskazova, Alexandr Lavrov, and Roman Bogomyakov. "Substantiation of field of application of combined (traditional and physicaland-chemical) geotechnologies for the development of gravel and secondary gold deposits." E3S Web of Conferences 56 (2018): 03011. http://dx.doi.org/10.1051/e3sconf/20185603011.

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Problems of accumulation of technogenic tailings dumps and as a result of sluicing of gold sands of gravel deposits are considered in article. Additional recovery of fine and dispersed gold from a mineral mass of such technogenic formations can be carried out with use of physical and chemical geotechnologies. The factors influencing on the choice of a way of development of the gold gravel deposit are listed. The mathematical model of a gravel deposit is developed for the solution of the problem of multifactorial assessment of technological options of processing of gold sands. The scheme of the

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Maurenbrecher, P. M., and R. Kronieger. "Mass Classification of Quaternary gravel deposits." Geological Society, London, Engineering Geology Special Publications 7, no. 1 (1991): 549–54. http://dx.doi.org/10.1144/gsl.eng.1991.007.01.53.

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AbstractA mass Classification index was devised to determine the variability of highly variable Quaternary gravel deposits in the Netherlands. To classify the “mass” properties trials have been carried out using the “scanline” concept. The scanline concept was verified in Spain to classify river gravel and glacial deposit mass properties such as grading, particle shape and rock type. Using a mass Classification system called the Scanline Quantification of Uniformity for Aggregate Designation or SQUAD, the scanline concept was adapted to determine representativeness of a sample with respect to

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Raji, W. O., and R. B. Bale. "THE GEOLOGY AND GEOPHYSICAL STUDIES OF A GRAVEL DEPOSIT IN UNIVERSITY OF ILORIN, SOUTHWESTERN NIGERIA." Continental J. Earth Sciences 3 (July 7, 2008): 40–46. https://doi.org/10.5281/zenodo.824302.

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Vertical electrical drilling and horizontal profiling methods of electrical resistivity have been employed to study the occurrence of gravel deposit in an area of 3.36sqkm within the University of Ilorin permanent site, Southwestern Nigeria. The petrological characteristics of the deposit were also investigated for assessing it suitability as construction aggregate materials. The gravel deposit varies from conglomeratic sandstone to sand- supported conglomerates. They are unsorted to poorly sorted and dominated by angular to sub-angular pebble clast. Results from the analysis of the geophysica

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Bai, Hongkui, Tong Pan, Guang Han, Qishun Fan, Qing Miao, and Haiyi Bu. "Hydrochemical Characteristics and Genesis of Sand–Gravel Brine Deposits in the Mahai Basin of the Northern Qinghai–Tibetan Plateau." Water 16, no. 24 (2024): 3562. https://doi.org/10.3390/w16243562.

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The sand–gravel brine deposit in the Mahai Basin is a newly discovered large-scale potassium–bearing brine deposit. The potassium–bearing brine is primarily found at depths exceeding 150 m within the porous alluvial and fluvial sand–gravel reservoir of the Middle to Lower Pleistocene. This deposit is characterized by a relatively shallow water table, moderate–to–strong aquifer productivity, high salinity, and a KCl content that meets the conditions for exploitation, with the advantage of reduced salt crystallization during well mining, making it a potential reserve base for potash development.

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Sarker, Md Nuruddin. "Gravel Deposits Of Dauki-Piyain River Bed And Surrounding Flood Plains: A Case Study." Journal of the Asiatic Society of Bangladesh, Science 41, no. 2 (2015): 225–32. http://dx.doi.org/10.3329/jasbs.v41i2.46206.

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The Dauki-Piyain river is the major source of gravels in Jaflong area which is located on the alluvial plain south of the Khasi-Jainta Hills. Jaflong gravels comprise quartzite, granite, gneiss, amphibolite, basalt, sandstone and conglomerate. The gravels are mostly fresh and hard and can be used as good construction materials. The deposition of gravels is controlled by the frequency and intensity of water-flow in the Dauki-Piyain river forming the Jaflong quarry. The Dauki river is constantly changing its course. Controlling the river course and keeping its tract clear from debris will make t

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8

Feng, Jin-Liang, Jian-Ting Ju, Feng Chen, Zhao-Guo Hu, Xiang Zhao, and Shao-Peng Gao. "Identification of a late Quaternary alluvial–aeolian sedimentary sequence in the Sichuan Basin, China." Quaternary Research 85, no. 2 (2016): 279–89. http://dx.doi.org/10.1016/j.yqres.2016.01.006.

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The late Quaternary sedimentary sequence in the northwestern part of the Sichuan Basin consists of five lithological units and with increasing depth include the: Chengdu Clay; Brown Clay; Red Clay; Sandy Silt; and basal Muddy Gravel. The genesis, provenance and age of the sediments, as well as the possible presence of hiatuses within this sequence are debated. Measurements of grain-size, magnetic susceptibility, quartz content, quartz δ18O values, element composition, and Sr–Nd isotopic concentrations of samples from a typical sedimentary sequence in the area provides new insights into the gen

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Martinez-Carvajal, German Dario, Laurent Oxarango, Jérôme Adrien, Pascal Molle, and Nicolas Forquet. "Structural Changes in French VF Treatment Wetland Porous Media during the Rest Period: An Ex Situ Study Using X-ray Tomography." Water 13, no. 3 (2021): 389. http://dx.doi.org/10.3390/w13030389.

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Clogging constitutes a major operational issue for treatment wetlands. The rest period is a key feature of French Vertical Flow (VF) treatment wetlands and serves to mitigate clogging. An ex-situ drying experiment was performed to mimic the rest period and record structural changes in the porous media using X-ray Computed Tomography (CT). Samples containing the deposit and gravel layers of a first stage French VF treatment wetland were extracted and left to dry in a control environment. Based on CT scans, three phases were identified (voids, biosolids, and gravels). The impact of the rest peri

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Osborn, Gerald, Richard Thomas, William McCoy, Barry Miller, and Alison Smith. "Significance of a molluscan fauna to the physiographic history of the Calgary area, Alberta." Canadian Journal of Earth Sciences 28, no. 12 (1991): 1948–55. http://dx.doi.org/10.1139/e91-176.

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A newly discovered molluscan fauna provides an approximate age for a previously undated gravel sequence capping Nose Hill, a relict plateau adjacent to the Bow River in Calgary, Alberta, and constrains the age of the physiographic relief in the area. The fauna consists of a mixed terrestrial–aquatic assemblage whose composition indicates a paleoclimatic regime similar to that of the area today. The fossiliferous sediment, interpreted as a pond deposit, is a pebbly mud within a thick braid-plain gravel sequence. Isoleucine epimerization in the molluscs is not inconsistent with an Early Pleistoc

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Delva, Anna Sergeevna, Lyubov Leonidovna Porotnikova, Samat Yerzhanovich Bayldinov, and Leonid Alexandrovich Shipovalov. "State of aquatic bioresources in the area of production of non-metallic building materials on the Irtysh river." Rybovodstvo i rybnoe hozjajstvo (Fish Breeding and Fisheries), no. 1 (March 1, 2021): 8–17. http://dx.doi.org/10.33920/sel-09-2103-01.

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Sands and the sand-gravel mixes (SGM) from which more than a half of nonmetallic construction materials is manufactured in the Russian Federation serve as one of main types of the mineral raw materials used for production of the nonmetallic construction materials (NCM). Production of non-solid building materials (NSM) — sand, gravel, sand and gravel mixture — is necessary for the normal functioning of the construction industry: the larger the settlement, the greater the volume of production of NSM for construction enterprises. Many areas of the NSM are confined to the floodplain or channel of

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12

Dong, Xue Jiao, Chen Chen, Wen Fei Mao, and Xin Chai. "Substance Characteristic and Formation Mechanism Analysis of Suo Duoxi Deposit." Applied Mechanics and Materials 644-650 (September 2014): 5077–80. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.5077.

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The paper studied characteristic of the morphology, substance and formation mechanism of Suo Duoxi deposit body in the Su Walong hydropower station reservoir area, focused on analysis of substance composition and formation at front area of deposit body (zoneII) and finally inferred the geological formation process and reached the formation mechanism . The results show that the block stones are main part of material of Suo Duoxi deposit and sandwiches gravel soils, but it is different from other four zones that the zone II takes gravel with less viscous as the skeleton and mixed up with uneven

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Frolov, Oleksandr Oleksandrovych, and I. D. Lytvynchuk. "SUBSTANTIATION OF BULLDOZER-EXCAVATOR-AUTOMOBILE COMPLEX FOR REMOVAL OF OVERBURDEN LAYER OF FLUVIOGLACIAL DEPOSITS IN THE CONDITIONS OF SOSNIVSKY GRANITE DEPOSIT." Geoengineering, no. 7 (December 5, 2022): 83–93. http://dx.doi.org/10.20535/2707-2096.7.2022.252758.

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Purpose and task. The aim of the research is to substantiate the expediency and efficiency of using a bulldozer-excavator-automobile complex with the use of ripper bulldozers to remove the overburden layer of fluvioglacial deposits in the conditions of the Sosnivsky granite deposit. To achieve this goal, it is necessary to: establish the patterns of distribution and features of fluvioglacial deposits; to analyze possible technological schemes of development of gravel and sand deposits; justify the need and effectiveness of the technological complex of equipment for the removal of fluvioglacial

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Oca-Risco, Alexis Montes de, Mayda Ulloa-Carcassés, and Suraymi García-Cruz. "Procedure for the recovery of the mined area in the deposit gravel - sand Rio Sagua, Holguin. Cuba." Boletín de Ciencias de la Tierra, no. 36 (July 1, 2014): 18–25. http://dx.doi.org/10.15446/rbct.n36.39543.

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The gravel pits are exploitations to extract granular materials, sand and gravel in the alluvial river areas. Excavated voids are not very deep, unlike quarries and generally result in flooded areas. The company building materials in Holguin province has concessioned four deposit and within a gravel pit. The areas damaged by the exploitation of construction materials in the territory occupy about 75 ha, which causes a strong impact on the environment. For this reason it is proposed to develop a procedure to recover the deposit mined area in the gravel - sand Rio Sagua de Holguín as to achieve

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Leckie, Dale A., Jan M. Bednarski, and Harvey R. Young. "Depositional and tectonic setting of the Miocene Wood Mountain Formation, southern Saskatchewan." Canadian Journal of Earth Sciences 41, no. 11 (2004): 1319–28. http://dx.doi.org/10.1139/e04-076.

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Coarse gravels of the Miocene Wood Mountain Formation that cap the Wood Mountain upland in southern Saskatchewan are an erosional remant of a much more expansive sheet of gravel and sand. The formation consists of gravel and sand deposited as a thin sheet on a regional planation surface that extends approximately along strike for at least 160 km. This sheet, with a maximum thickness of 31 m, is the deposit of low-sinuosity, braided-river channels that flowed to the north-northeast. The Wood Mountain Formation represents an initial episode of erosion followed by low-accommodation deposition, wh

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Л.Жаргал, А.Эрдэнэ, А.Дашхорол та Д.Нансалмаа. "Хужиртын ордын нүүрсний петрографийн найрлага, чанарын судалгааны үр дүнгээс". Геологийн асуудлууд 15 (23 лютого 2023): 36–45. http://dx.doi.org/10.22353/.v15i01.2271.

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The Khujirt coal deposit is located in Orkhon-Selenge area which includes Khangai and Khovsgol mountains. The basement geology of the area is composed of Precambrain metamorphic complexes overlain by Paleozoic tubidites containing marine fossils and volcanic-plutonic rocks (Badarch et al., 2002). The Khujirt deposit contains 5 coal seams. Coal-bearing the Shariin Gol formation is subdivided into 3 members. The lower part of the formation is composed of conglomerate, gravel and sandstone. The middle part of the formation consists of sandstone, siltsone and coal seams. The upper part is mainly m

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Rukavina, Norman A. "Bottom Sediments and Morphology of the Upper St. Clair River." Water Quality Research Journal 21, no. 3 (1986): 295–302. http://dx.doi.org/10.2166/wqrj.1986.025.

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Abstract New data on bottom sediments and bathymetry provide a more detailed picture of the physical character of the Upper St. Clair River Channel than was previously available. The data indicate that the channel has a complex erosional mid-section cut in glacial deposits and a steep inshore slope with a veneer of modern sediments. Deposits along the Canadian industrial shoreline consist of a thin wedge of nearshore sediment overlying a stiff glacial clay. Estimated volume of the deposit is 63000 m3; average texture is 63% sand, 32% gravel and 5% silt-clay. Tarry interstitial material occurs

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Leckie, D. A., and R. J. Cheel. "The Cypress Hills Formation (Upper Eocene to Miocene): a semi-arid braidplain deposit resulting from intrusive uplift." Canadian Journal of Earth Sciences 26, no. 10 (1989): 1918–31. http://dx.doi.org/10.1139/e89-162.

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The Upper Eocene – Miocene Cypress Hills Formation of the Cypress Hills plateau, in southwestern Saskatchewan and southeastern Alberta, is interpreted as a braidplain deposit. The regional paleoslope dipped to the northeast, and the east–west distribution of outcrop exposes facies representing lateral variation across the slope of the braidplain. Overall, the average clast size of the deposits decreases from west to east, with western area sediments dominated by boulder-sized gravels deposited on longitudinal bars. The eastern outcrop area contains deposits of braided channels cut into and int

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Daryono, Sapto Kis, Sutanto Sutanto, Carolus Prasetyadi, and Eko Teguh Paripurno. "Architecture Elements of the Lemat Formation of the Lubuk Bernai Region, Batang Asam District, Tanjung Jabung Barat Regency, Jambi Province." Journal of Earth and Marine Technology (JEMT) 3, no. 1 (2022): 1–10. http://dx.doi.org/10.31284/j.jemt.2022.v3i1.3396.

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The study of facies analysis and interpretation of the depositional environment of the Lemat Formation located at Bukit Tiga Puluh aims to clarify the problems found in Paleogene sediments in the South Sumatra Basin. A detailed analysis of the fluvial facies has been carried out in the Lubuk Bernai track. A number of observations, profiling, and measured stratigraphic section have been carried out. The stratigraphy of the study area can be divided into 5 units from old to young, namely the Mentulu-metamorphic sandstone unit, Lemat conglomerate unit, Lemat gravel-sandstone unit, Benakat volcani

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Yu, Si Yu, Shao Hua Li, Jun Li, Dao Wan Song, and Jing Hua Shi. "An Algorithm for Particle Size Analysis of Gravel Image by Using Gray-Value Vibration Frequency." Applied Mechanics and Materials 318 (May 2013): 253–56. http://dx.doi.org/10.4028/www.scientific.net/amm.318.253.

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Due to it is very extensive usage in the application of production practice and scientific research in the present,Identifying particle size from digital image is an important technology.Up to now there have been some particle image size identification methods,Such as the improved watershed algorithm for adhesive rice image segmentation,Particle size analysis method based on spatial autocorrelation for deposit digital Image.But because the gravel image is a kind of special particle image,those methods are not very suitable for use in particle size analysis of gravel image.This paper puts forwa

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DAY, R. W. "Study of a Gravel Deposit Created by Wave Action." Environmental & Engineering Geoscience III, no. 3 (1997): 443–48. http://dx.doi.org/10.2113/gseegeosci.iii.3.443.

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Martínez-Segura, Marcos A., Carmelo Conesa-García, Pedro Pérez-Cutillas, Pedro Martínez-Pagán, and Marco D. Vásconez-Maza. "Identifying Changes in Sediment Texture along an Ephemeral Gravel-Bed Stream Using Electrical Resistivity Tomography 2D and 3D." Applied Sciences 11, no. 7 (2021): 3030. http://dx.doi.org/10.3390/app11073030.

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Differences in deposit geometry and texture with depth along ephemeral gravel-bed streams strongly reflect fluctuations in bedload which are due to environmental changes at the basin scale and to morphological channel adjustments. This study combines electrical resistivity tomography (ERT) with datasets from borehole logs to analyse the internal geometry of channel cross-sections in a gravel-bed ephemeral stream (southeast Spain). The survey was performed through longitudinal and transverse profiles in the upper channel stretch, of 14 to 30 m in length and 3 to 6 m in depth, approximately. ERT

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Kulikov, V. A., and S. A. Anoshina. "The polarizability of sand-gravel deposits according to the results of laboratory and field measurements." Engineering survey 13, no. 1 (2019): 68–77. http://dx.doi.org/10.25296/1997-8650-2019-13-1-68-77.

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Тhe article describes electrical exploration aimed at studying the polarizability of sand-gravel deposits in the Kaluga region. On the one hand, laboratory tests of the polarizability of sand and sand-gravel mixes (SGM) were carried out, on the other hand, field electrical survey work on the wellknown manifestation of SGM. Samples of SGM were collected from 18 actively operating quarries in the Moscow and Kaluga regions for laboratory petrophysical measurements. Induced polarization (IP) measurements were conducted in time domain. The results showed that sand and gravel mixes are characterized

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Fedorova, Larisa, Anna Lejzerowicz, Gavril Kulyandin, Denis Savvin, and Maksim Fedorov. "Ground penetrating radar investigations of the geological structure of loose sediments at solid mineral deposits." E3S Web of Conferences 192 (2020): 04005. http://dx.doi.org/10.1051/e3sconf/202019204005.

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For effective commercial development of deposits, an increase in the information content of operational exploration is required. In recent years, the range of methods used to obtain complete and reliable information about the structure and properties of the rock mass of a developed field include remote methods of high-frequency electrical prospecting, in particular, the ground penetrating radar (GPR) method. The paper presents a methodological experience in the interpretation of GPR data of sandy river sediments based on the identification of radar facies. In the considered area, four types of

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Ledesma-Vázquez, Jorge, Rafael Hernández-Walls, Monique Villatoro-Lacouture, and Rigoberto Guardado-France. "Dynamics of rocky shores: Cretaceous, Pliocene, Pleistocene, and Recent, Baja California peninsula, Mexico." Canadian Journal of Earth Sciences 43, no. 8 (2006): 1229–35. http://dx.doi.org/10.1139/e06-047.

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Rocky shorelines provide an excellent record that can be used to interpret the environmental conditions prevailing in a particular area in time and space. Former rocky shores are first-rate indicators of sea-level position, and they provide important local to regional information on tectonics and neotectonics. In this paper, sedimentary units made of gravel-size clasts, interpreted as having been deposited on a rocky shore, provide data for the interpretation of the hydrodynamic conditions under which the units were deposited. A model is presented by which to evaluate the minimum wave height a

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Eigenbrod, K. D., and T. Issigonis. "Pore-water pressures in soft to firm clay during driving of piles into underlying dense sand." Canadian Geotechnical Journal 33, no. 2 (1996): 209–18. http://dx.doi.org/10.1139/t96-001.

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During driving of steel piles through soft, sensitive clay into very dense sand and gravel, pore-water pressure responses were monitored. As a result of the large length of the piles and also because of the high sensitivity of the soft clays, the piles were driven in two stages. During the initial stage of driving in the soft clay, only very small pore-water pressure increases were recorded together with very low pile driving resistances; however, during the second stage of driving, high pore-water pressure increases were observed in the clay as soon as the piles penetrated into the underlying

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MATSUMOTO, Norihisa, and Yoshikazu YAMAGUCHI. "Interaction between stress and permeability in sand and gravel deposit." Doboku Gakkai Ronbunshu, no. 430 (1991): 59–67. http://dx.doi.org/10.2208/jscej.1991.430_59.

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Vonwiller, Lukas, David Vetsch, and Robert Boes. "Modeling Streambank and Artificial Gravel Deposit Erosion for Sediment Replenishment." Water 10, no. 4 (2018): 508. http://dx.doi.org/10.3390/w10040508.

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Kulikov, V. A., S. A. Anoshina, A. A. Bobachev, A. V. Solovieva, A. M. Turchkov, and A. G. Yakovlev. "Complex geophysical studies of the asar body in the Kaluga region." Moscow University Bulletin. Series 4. Geology, no. 3 (June 28, 2019): 87–92. http://dx.doi.org/10.33623/0579-9406-2019-3-87-92.

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This paper describes complex geophysical studies conducted on an asar body in the Kaluga region. In particular, the anomaly of the apparent polarizability is studied. Complex interpretation of geophysical data, comparison with drilling results, as well as measurements on drill samples made it possible to define the nature of the anomaly and confirm the presence of areas with a high percentage of magmatic gravel and cobble within the sand-gravel deposit, which are characterized by high values of electrical polarizability.

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MUDIE, GEORGE. "Excavation of a Possible Neolithic Structure, Lithic Finds and Later Ditch Features at Kingarth Quarry, Isle of Bute." Scottish Archaeological Journal 28, no. 2 (2006): 105–24. http://dx.doi.org/10.3366/e1471576707000058.

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Summary Topsoil stripping in advance of an extension to sand and gravel quarrying operations at Kingarth, Isle of Bute, revealed a series of ditches, the remains of a small oval structure and discrete concentrations of worked stone artefacts. The site is situated on a raised beach deposit on the east-facing Kilchattan Bay. The ditches formed a discrete grouping on the higher, gravel deposits in the westernmost part of the site whilst the oval structure, defined by a shallow slot trench and enclosing an area measuring 7m by 3.5m, lay in the eastern part of the site on fine sand deposits. Despit

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Elias, Ziyad. "Analysis of Gravel Shapes Along the Khazir River, North of Iraq." Iraqi Geological Journal 56, no. 1F (2023): 243–51. http://dx.doi.org/10.46717/igj.56.1f.16ms-2023-6-24.

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This research work deals with the analyses of the shape and size of gravels within the terrace deposit of the Khazir River in the north of Iraq. The degree of gravels’ roundness and flatness indicates that they were transported in wet climate conditions during the deposition of the Bai Hassan Formation of the Pliocene-Pleistocene age. Typical increasing roundness and decreasing flatness along the channel (downstream) refer to the stable flow of the paleo River of Khazir. The higher degree of roundness and flatness of the studied 500 pebbles among the terraces came from the already rounded pebb

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Slomka, J. M., and C. H. Eyles. "Characterizing heterogeneity in a glaciofluvial deposit using architectural elements, Limehouse, Ontario, Canada." Canadian Journal of Earth Sciences 50, no. 9 (2013): 911–29. http://dx.doi.org/10.1139/cjes-2013-0020.

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Major hydrocarbon and groundwater reservoirs are commonly hosted within coarse-grained alluvial deposits that contain a high degree of sedimentary heterogeneity. This paper presents a detailed characterization of the sedimentary heterogeneity of fluvial–deltaic deposits using architectural element analysis (AEA). Sedimentological data collected from outcrop faces exposing Late Quaternary glaciofluvial deposits in southern Ontario, Canada, is recorded in 31 sedimentary logs. These logs are used to identify nine different facies types, including gravel facies (Gm, Gp, Gt), sand facies (Sr, Sp, S

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JANSSEN, An, and Rudy SWENNEN. "Organic components and diagenetic products in the travertine deposit at Villers-devant-Orval (S. Belgium)." Geologica Belgica 2, no. 3-4 (2000): 197–212. http://dx.doi.org/10.20341/gb.2014.018.

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The travertine deposit at Villers-devant-Orval (S. Belgium) formed during the Preboreal till the Boreal. In the first terrace studied in this paper, five lithostratigraphic units were distinguished, based on the presence of gravel, loam, peat and fine, medium grained and coarse travertine. Within the latter, encrusted branches and algal and cyanobacterial filaments are the most important organic components. Vadose diagenesis of the deposit is indicated by the presence of needle-crystals, fiber calcite crystals and dendrites. Meteoric phreatic diagenetic products occur as gothic-arch calcite cr

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Korus, Jesse T., R. Matthew Joeckel, and Shane T. Tucker. "Genesis of giant, bouldery bars in a Miocene gravel-bed river: Insights from outcrop sedimentology, UAS-SfM photogrammetry, and GPR." Journal of Sedimentary Research 90, no. 1 (2020): 27–47. http://dx.doi.org/10.2110/jsr.2020.3.

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ABSTRACT Bedsets of bouldery intraformational conglomerate partly fill a narrow, 40-m-deep paleovalley in the Arikaree Group (lower Miocene) in Nebraska, USA. Entire bar successions are exposed in 3D, offering an opportunity to improve upon sedimentological models for coarse-grained fluvial deposits. Using unmanned aircraft, structure-from-motion photogrammetry, and ground-penetrating radar, we offer the first comprehensive assessment of the lithofacies and stratigraphic architecture of this regionally unique fluvial conglomerate. We interpret three lithofacies associations: (1) beds of chaoti

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Hassan, Khaled, Murray Reid, Ian Sims, et al. "Wadi gravel – a new concrete aggregate in Qatar: Part 1 – investigation, processing and trials." Quarterly Journal of Engineering Geology and Hydrogeology 53, no. 3 (2019): 386–99. http://dx.doi.org/10.1144/qjegh2019-086.

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In hot desert regions, attention is turning to local sources of aggregate that were previously regarded as ‘too difficult' to exploit. This paper describes an investigation of such a deposit in Qatar. The material, known as Wadi gravel, is a gravelly sand of Tertiary age cemented by gypsum. A field survey found the gravel content to be in the range of 10 to 20%. As-dug samples had excessively high sulfate content, which could not be removed with conventional aggregate operations. However, intensive treatment in a local sand-processing plant using multi-stage crushing, screening and washing red

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Williams, Mark, Ian P. Wilkinson, David R. Tappin, Gary Mcmurtry, and Gerard J. Fryer. "The Hawaiian megatsunami of 110±10 ka: the use of microfossils in detection." Journal of Micropalaeontology 25, no. 1 (2006): 55–56. http://dx.doi.org/10.1144/jm.25.1.55.

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Abstract. INTRODUCTIONMcMurtry et al. (2004) described a thin (c. 20–50 cm) bioclastic, carbonate gravel from the NW coast of Hawaii, on the flanks of the extinct Kohala volcano (Fig. 1). This unit is found between modern altitudes of c. 1.5–61 m above sea-level. The deposit is sandwiched between a fossil soil below and a modern soil above in Keawe’ula Bay (Fig. 2). Dating of coral fragments from within the deposit indicate an age of 110±10 ka (McMurtry et al., 2004). Given rates of subsidence on Hawaii, this would place the deposit at an original palaeo-altitude up to 491 m. The deposit conta

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Muhni, Akmal, Dewi Sartika, Bambang Suhaidi, et al. "Mitigating Leachate Contamination: Geological Investigations at Alue Lim Landfill Area, Lhokseumawe City." IOP Conference Series: Earth and Environmental Science 1479, no. 1 (2025): 012006. https://doi.org/10.1088/1755-1315/1479/1/012006.

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Abstract Geological studies are essential for identifying potential pollution in the Alue Lim Landfill Area, Lhokseumawe City. This research focuses on the physical properties of rocks, soil structure, and specific geological layers that influence water movement. The permeability and porosity of rocks are critical factors determining the ease with which leachate penetrates and migrates through geological formations. The study area encompasses the Idi formation sandstone unit (Qpi) and alluvium deposits (Qh). The Idi formation sandstone unit is characterized by fine to medium grain sizes (0.125

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Bhattacharya, Asokkumar. "Depositional history of the basal Barakar beds - a study from Ramgarh Coalfield, Hazaribagh District, Bihar." Journal of Palaeosciences 36 (December 31, 1987): 67–73. http://dx.doi.org/10.54991/jop.1987.1562.

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The rock record of the basal Barakar Formation of the Ramgarh Coalfield, Hazaribagh District, Bihar has been interpreted as an ancient example of the sandur deposit, i.e., a glacial outwash plain deposit having two distinct units as (a) channel facies divisible with riffles and pools, and (b) interchannel bar facies. Each of the facies of the environment in its stratigraphic setup, lithological attributes, sedimentary structural assemblage and palaeocurrent pattern correspond to one in the model. The lenticular and sheet-like gravelly and pebbly sandstones with crude and sharp parallel s

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SAITO, Keita, and Muneyuki AOKI. "POOL-AND-WEIR- FISHWAY WITH GRAVEL DEPOSIT AND PROPOSAL FOR SIMPLE IMPROVEMENT." Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 74, no. 5 (2018): I_445—I_450. http://dx.doi.org/10.2208/jscejhe.74.5_i_445.

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Ilinkin, Vladimir, Dimitar Dimitrov, and Peter Zhelev. "CHARACTERISTICS OF FLUVISOLS IN SAND AND GRAVEL DEPOSIT “KRIVA BARA”, SOFIA, BULGARIA." Ecological Engineering and Environment Protection 2018, no. 1 (2018): 58–65. http://dx.doi.org/10.32006/eeep.2018.1.5865.

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Bell, F. G., and A. Forster. "The geotechnical characteristics of the till deposits of Holderness." Geological Society, London, Engineering Geology Special Publications 7, no. 1 (1991): 111–18. http://dx.doi.org/10.1144/gsl.eng.1991.007.01.07.

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AbstractThe glacial deposits of Holderness are well displayed along the coast of Humberside from Bridlington to Spurn Head. These deposits consist primarily of tills which may contain chalky debris and include pockets and lenses of sands and gravel. They have been subdivided in the past into four units the Basement, Drab, Purple and Hessle Boulder Clays. This has been re-interpreted as three tills (the Basement, Skipsea and Withernsea Tills) below a composite weathered unit of Skipsea and Withernsea Till.The dominant clay minerals in all the clays are kaolinite and illite. In addition, the cla

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Kong, Zhijun, Yanhui Guo, Shilin Mao, and Wei Zhang. "Experimental Study on Shear Strength Parameters of Round Gravel Soils in Plateau Alluvial-Lacustrine Deposits and Its Application." Sustainability 15, no. 5 (2023): 3954. http://dx.doi.org/10.3390/su15053954.

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The shear strength parameters of conglomerate soils are crucial to the stability analysis of foundation support when excavating and supporting ultra-deep foundation pits in the highland alluvial lacustrine layer. The difference in water content of conglomerate soils in different regions will directly affect the values of shear strength parameters. At the same time, more research on the shear strength of conglomerate soils under different water contents is required. In this study, a series of large-scale direct shear tests were carried out on the round gravel soil in the plateau alluvial-lacust

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LUKOMSKYI, Vladyslav, and Mariia KURYLO. "GEOLOGICAL AND MINING CONDITIONS FOR THE EFFECTIVE DEVELOPMENT OF CONSTRUCTION AND CRUSHED STONE DEPOSITS WITHIN THE DISTRIBUTION OF GLACIAL SEDIMENTS." Visnyk of Taras Shevchenko National University of Kyiv. Geology, no. 3 (106) (2024): 57–61. http://dx.doi.org/10.17721/1728-2713.106.07.

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The study determined the feasibility of multucommodity deposits development of construction and crushed stone, which are localized within the distribution of glacial and fluvioglacial deposits. Overburden is studied as associated minerals, used in the construction industry and landscape design. The objects of the study are deposits of granites and labradorite, which have industrial reserves and are mined, as overburden rocks have enough thickness of fluvioglacial sediments. During the development of crystalline rock, fluvioglacial deposits in many cases are classified as overburden. Traditiona

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Afandieva, Zarifa Jahangir kyzy. "Prospects of Daschkesan iron ore deposit development." NEWS of the Ural State Mining University 1, no. 1 (2022): 7–12. http://dx.doi.org/10.21440/2307-2091-2022-1-7-12.

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The topicality the subject. To meet Azerbaijan's growing demand for ferrous metallurgical raw materials, there are sufficient reserves of iron ore deposits that can be put into industrial operation. These are related to the future development of the mining industry in the Daschkesan iron ore group, including the promising South-Daschkesan and Damirov fields. The re-exploitation of the Daschkesan iron ore group will have a positive impact on the socioeconomic development of the region, as well as strengthen the position of the mining industry and metallurgy in the country's non-oil sector. The

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Fouinat, Laurent, Pierre Sabatier, Jérôme Poulenard, Jean-Louis Reyss, Xavier Montet, and Fabien Arnaud. "A new CT scan methodology to characterize a small aggregation gravel clast contained in a soft sediment matrix." Earth Surface Dynamics 5, no. 1 (2017): 199–209. http://dx.doi.org/10.5194/esurf-5-199-2017.

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Abstract. Over the past decades, X-ray computed tomography (CT) has been increasingly applied in the geosciences community. CT scanning is a rapid, non-destructive method allowing the assessment of relative density of clasts in natural archives samples. This study focuses on the use of this method to explore instantaneous deposits as major contributors to sedimentation of high-elevation lakes in the Alps, such as the Lake Lauvitel system (western French Alps). This lake is located within a very steep valley prone to episodic flooding and features gullies ending in the lake. This variety of ero

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Giri, Suraj, Motilal Rijal, and Drona Adhikari. "Hydrogeological Assessment in The Southern Part of Butwal Area, Rupandehi, Nepal." Himalayan Journal of Science and Technology 6, no. 1 (2022): 100–108. http://dx.doi.org/10.3126/hijost.v6i1.50607.

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Groundwater has been utilized as the major source of water for household, irrigation and industrial purpose. The hydrogeological condition in the Terai region of the Butwal area, Rupandehi district was assessed. The subsurface lithological section and hydro-stratigraphic units of the area within the depth of 80 m were produced using secondary data from borehole lithologs. The study area i.e., quaternary deposit, comprises boulders, cobble, pebble, gravel and another alluvial (river) deposits. Thick and coarse aquifer materials (boulder and gravel) were determined at wells (DW-2,5,8 and 6), tha

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Liu, Yuming, Luxing Dou, Xiaoxu Ren, and Jiagen Hou. "Sedimentary characteristics of muddy deposits in sandy braided fluvial system: A case study from outcrops of the Jurassic Yungang Formation in the Datong Basin, Central China." Interpretation 8, no. 3 (2020): SM139—SM149. http://dx.doi.org/10.1190/int-2019-0174.1.

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The sandbodies within braided fluvial deposits are important reservoirs for the oil fields in China, and they usually have complex sedimentary architecture. A lot of research has been concentrated on characterizing the architecture of the sandbodies. Based on the observation that muddy deposits are commonly well preserved in fluvial deposits, we find that understanding the contact relationship between the muddy deposits and surrounding sand bodies can help characterize the depositional process of sandy braided fluvial systems. We have determined the effectiveness of this idea by characterizing

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Sedarta, Sedarta, Tengku Tibri Tibri, and Eka Onwardana. "ESTIMASI SEBARAN KARAKTERISTIK ENDAPAN SIRTU BERDASARKAN MODEL DARI VARIOGRAM ELEVASINYA." Jurnal Sains dan Teknologi ISTP 22, no. 02 (2025): 191–200. https://doi.org/10.59637/jsti.v22i02.472.

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Due to high demand of natural aggregate for construction aggregates, sand and gravel are one of the most much mined owing to cheap in production cost. Unfortunately, the value is low economically. The exploration is based only on the outcrop or any part of deposit body exposed to surface. The similarity of the topography surface traits is used to estimate the dissemination leading to high risk or uncertainty in the reserve-estimating. Such a deposit however, is a result of sedimentary process which may be re-eroded leaving behind a truncated body or disseminated in the form of lenses. Since th

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David, Jean, and Jean Lajoie. "Sedimentology of an Archean submarine channel-fill deposit in the Abitibi greenstone belt of Canada." Canadian Journal of Earth Sciences 26, no. 7 (1989): 1453–62. http://dx.doi.org/10.1139/e89-123.

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The Archean La Bruère Formation, which forms part of the Timiskaming Group of the Abitibi greenstone belt of Rouyn–Noranda, comprises a conglomerate–sandstone assemblage at least 360 m thick. The upward variations in grain size and con glomerate/sandstone ratio permit subdivision of the formation into three conglomeratic and two sandy members. Member 1 is composed essentially of conglomerate; members 2 and 4 consist of stacked composite beds of conglomerate and sandstone; member 3 is a sequence of cross-bedded sandstone. The formation is capped by a turbidite sequence (member 5).Three bed type

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CAMENEN, B., M. JODEAU, and M. JABALLAH. "Estimate of fine sediment deposit dynamics over a gravel bar using photography analysis." International Journal of Sediment Research 28, no. 2 (2013): 220–33. http://dx.doi.org/10.1016/s1001-6279(13)60033-5.

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