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441
Petrographic Characterization of Raw Material Sources at Oldupai Gorge, Tanzania
Published 2020-05-01“…For proof of concept, we assign the source/s of previously described fuchsitic quartzite artifacts from three archaeological sites at Oldupai to two nearby outcrops. …”
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442
The Chronology of Early Human Settlement in Three Gorges Region, China—Contribution of Coupled Electron Spin Resonance and Uranium-Series Dating Method
Published 2022-07-01“…Cosmogenic nuclide burial dating of quartzite stone artifacts and coupled electron spin resonance and uranium series dating (ESR/U-series) of fossil teeth have the potential to date Early–Middle Pleistocene hominin sites in Asia and were applied increasingly in China in recent years. …”
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443
The Acheulean of the Upper Guadiana River Basin (Central Spain). Morphostratigraphic Context and Chronology
Published 2022-06-01“…These fans, mainly composed of Lower and Middle Ordovician quartzite gravel, were eroded in their distal positions by the Bullaque and Becea rivers, forming very low terraces on which large concentrations of Acheulean and Mousterian lithic industry can be found. …”
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444
Land-Use Types Regulate Se:Cd Ratios of Natural Seleniferous Soil Derived from Different Parent Materials in Subtropical Hilly Areas
Published 2023-03-01“…The results suggested that, compared with quaternary red clays (qrc), the Se content of soils derived from river and lake sediments (rls) and weathered acidic crystalline rocks (wacr) decreased by 5.81%–19.75%, while the weathered quartzite (wq)-derived soils was increased significantly. …”
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445
Classification of cut slopes in weathered meta-sedimentary bedrocks
Published 2016-04-01“…In order of abundance, the meta-sedimentary rocks along Pos Selim Highway in Perak state Malaysia comprise quartz mica schist, graphitic schist, and quartzite layers. Field investigations revealed that these meta-sedimentary rocks have gradational weathering profile based on differences particularly in textures, hardness, lateral changes in colour, and consistency of material extension. …”
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446
Tin transport and cassiterite precipitation from hydrothermal fluids
Published 2023-11-01“…This explains why cassiterite can precipitate in host rocks (e.g., sandstone or quartzite) that do not provide oxidizing agents. A simple rise in fO2 levels and pH neutralization (e.g., greisenization) also cause cassiterite precipitation. …”
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447
Insights into the microbial life in silica-rich subterranean environments: microbial communities and ecological interactions in an orthoquartzite cave (Imawarì Yeuta, Auyan Tepui,...
Published 2022-09-01“…Our results suggest that the water content greatly contributes to shaping the microbial diversity within a subterranean quartzite environment. Further, the phylogenetic affiliation between Imawarì Yeuta dominant microbes and reference strains retrieved from both surface and subsurface silica- and/or CO2/CO-rich environments, underlines the selective pressure applied by quartz as rock substrate. …”
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448
Stone-tool assemblage of the Eneolithic settlement of Tolum-1 in the Konda River Basin
Published 2023-09-01“…According to the raw-material composition of the stonetool assemblage, mainly represented by soft rocks (grey-green slate, burgundy schist, etc.) and, to a lesser extent, by flint of various colors, quartz and quartzite, the ancient population of this region did not have continuous sources of high-quality ornamental raw materials. …”
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449
Application of lithogeochemical and pyrite trace element data for the determination of vectors to ore in the Raja Au–Co prospect, northern Finland
Published 2022-02-01“…The major lithologies at Rajapalot comprise amphibolite facies metamorphosed and polydeformed calcsilicate rocks that alternate with albitic units, mafic volcanic rocks, mica schist and quartzite. Mineralization at Rajapalot prospects is characterized by an older Co-mineralizing event and a younger high-grade Au mineralization with re-mobilization and re-deposition of Co. …”
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450
Seismic imaging of dyke swarms within the Sorgenfrei–Tornquist Zone (Sweden) and implications for thermal energy storage
Published 2018-12-01“…These dykes, 10–50 m thick, in the nearby quarries (within both Precambrian gneiss and quartzite) express themselves mostly in a subvertical manner. …”
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451
Physical, mechanical properties and microstructure of concretes made with natural and crushed aggregates: Application in building construction
Published 2023-03-01“…This paper discusses an experimental work on concrete made from river and crushed sands such as quartzite, granite, gneiss, marble, dolomite, basalt and limestone with an emphasis on physical, mechanical, and microstructural properties of fresh and hardened concrete. …”
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452
O Rio Cambongo-Negunza e os seus afluentes: um exemplo da complexidade de padrões de drenagem em Angola
Published 2006-12-01“…Above the coastal surface, in the crystalline rock strip, some quartzitic hills with Inselberge characteristics rise out of the plains, leading to problems in relation to, for example, the western extension of the quartzite formations and their dismantling, and the behaviour of the same material in the complex genesis and evolution processes of the extensive regional line of N-S escarpments, against which the erosion surfaces of the coastal belt end. …”
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453
Bronze age settlement in churchyard of Gradac monastery
Published 2009-01-01“…Beside pottery, in this layer there were also few fragments of different shapes made of Rozhnac stone, flints and quartzite, part of stone axe with perforation whose upper part is shaped into secant and two fragmented millstones made of quartzlathyte, a mineral found in mountain Golija (Pl. …”
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454
STUDY OF STRUCTURIZING CAPACITY OF MINERAL FILLER OF DIFFERENT ORIGIN
Published 2022-10-01“…Mineral filler of limestone, granite, quartzite, fly ash, mechanically activated fly ash, the ash from hydraulic waste disposal, blast furnace slag and cement had been used for research. …”
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455
Adsorption treatment of sewage sludge from heavy metals
Published 2020-10-01“…The authors have previously shown the effectiveness of wastewater treatment from HM using sorbents based on dolomite, quartzite, and waste from mining and processing plants. …”
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456
Diversidade genética de pitayas nativas do cerrado com base em marcadores RAPD Genetic diversity of native pitaya native from brazilian savannas with basis on RAPD markers
Published 2010-09-01“…<br>Brazilian savanna pitayas naturally vegetate on solid rocky sandstone or quartzite, tree trunks and on rocky fields sand soils at Minas Gerais, Goiás, Distrito Federal, Tocantins, Rio de Janeiro and Bahia, with strong evidences that Brazil central region is the biggest pitayas dispersion center, because of wide phenotypic diversity observed in collected accesses. …”
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457
Formation of a Composite Albian–Eocene Orogenic Wedge in the Inner Western Carpathians: P–T Estimates and <sup>40</sup>Ar/<sup>39</sup>Ar Geochronology from Structural Units
Published 2021-09-01“…Celadonite-enriched muscovite from the subautochthonous Fatric Zobor Nappe meta-quartzite sample ZI-3 yielded a mini-plateau age of 62.21 ± 0.31 Ma which coincides with the closing of the Infratatric foreland Belice “flysch” trough, the accretion of the Infratatricum to the Tatricum, and the formation of the rear subautochthonous Fatricum bivergent structure in the Eocene orogenic wedge.…”
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458
La ocupación paleolítica en los páramos del Duero. Nuevos datos procedentes de Valdecampaña (Olivares de Duero, Valladolid)
Published 2009-08-01“…TL dating of a burnt quartzite brackets this assemblage to 143464 ± 10827 BP, and offers a chronological framework for the Palaeolithic human occupation in this region. …”
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459
Mineralogy, geochemistry, genesis, and industrial application of silica in Arefi area, south of Mashhad
Published 2014-10-01“…More than 97% of the pebbles are quartz as mono-crystalline, poly-crystalline, and minor fragments of chert, quartzite, and mica schist. Less that 3% of the remaining minerals are feldspar, mica, chlorite, hornblende, tourmaline, zircon, sphene, and opaque minerals. …”
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460
ESTUDO DE PARÂMETROS MORFOMÉTRICOS DA SUB-BACIA HIDROGRÁFICA DO RIO JACARECICA (SE)
Published 2016-03-01“…It is winding with low drainage and its drainage density is directly affected by Waste Saws (quartzite). It was observed that in the area upstream of the blades there is a deficiency of moisture which influences the placement and use of the local agricultural space. …”
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