Results 21 to 30 of about 27,867 (263)
Asbestos, silicate minerals present in soil and used for building constructions for many years, are highly toxic due primarily to the presence of high concentrations of the transition metal iron.
Sébastien R. David +1 more
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Relationship between mineralogy and the physico-chemical properties of till in central Finland [PDF]
The chemical and physical characteristics of the fine fraction of till were examined in the area of the Raahe-Ladoga metallogenic belt in central Finland. Till, weathered bedrock and rock samples were collected from the area, where element concentrations
M.L. Räisänen, M. Tenhola, J. Mäkinen
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This chapter argues that paying attention to the weather and its associated processes of geological, biological, and social weathering can destabilize knowledge traditions that insist on dichotomies. Looking to specific histories and current conditions in Guyana and Suriname, this chapter shows how notions of weathering can accommodate a wide range of ...
openaire +2 more sources
Sand mineralogy, origin, uniformity and weathering ratio of some soils in Elgalaba plain, Aswan, Egypt [PDF]
The main aims of this study are to study the mineralogical composition of very fine sand fraction and estimating the origin, uniformity and weathering degree of the soil material in the soils of the investigated area.
M. Zidan +3 more
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Coevolution of Weathering Front and Water Table
Water is known to play an essential role in initiating and maintaining subsurface weathering reactions. However, the interaction between the weathering front and the water table is unclear and under intense debate.
Wei Wang +7 more
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Living Lithic and Sublithic Bacterial Communities in Namibian Drylands
Dryland xeric conditions exert a deterministic effect on microbial communities, forcing life into refuge niches. Deposited rocks can form a lithic niche for microorganisms in desert regions.
Steffi Genderjahn +5 more
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This work presents a methodology for the assessment of ancient plasterworks based on traditional inspection techniques, such as organoleptic tests and chemical characterization, and also on digital tools, such as photogrammetric surveys, thermography ...
Marta Torres-González +6 more
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The top-geoherb “Rehe Scutellaria baicalensis” was naturally distributed on Yanshan Mountain in Chengde city, Hebei Province, China. Exploring the influences of parent materials on the quality of the top-geoherbs in terms of micronutrient elements is of ...
Zijian Sun +6 more
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Weathering, Erosion, and Susceptibility to Weathering [PDF]
Soft grounds are often the result of weathering. Weathering is the chemical and physical change in time of ground under influence of atmosphere, hydrosphere, cryosphere, biosphere, and nuclear radiation (temperature, rain, circulating groundwater, vegetation, etc.). Erosion is the removal of material on or below the Earth surface due to flowing (ground-
openaire +3 more sources
Hainan Island, the largest island in the northwestern South China Sea (SCS), is characterized by many tropical mountainous rivers that flow into the SCS.
Fangjian Xu +10 more
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