Titlebook: Origin and Mineralogy of Clays; Clays and the Enviro Bruce Velde Book 1995 Springer-Verlag Berlin Heidelberg 1995 Clays.Erden.Erosion.Sedim

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https://doi.org/10.1007/978-3-662-12648-6Clays; Erden; Erosion; Sediment; Sedimentation; Ton; Umwelt; diagenesis; environment; mineralogy; soil

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978-3-642-08195-8Springer-Verlag Berlin Heidelberg 1995

在前面

Geology of Clays,creation of clays, the transformation of clays and the destruction of clays in different geological environments. Clays, as is the case for most objects on the Earth, are ephemeral. They have a life span which is governed by their geologic history. Clays occur under a limited range of conditions in

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Composition and Mineralogy of Clay Minerals,2 μm. This limit was imposed by the use of the petrographic microscope where the smallest particle which could be distinguished optically was of this size. Clays were essentially those minerals which could not be dealt with in a conventional nineteenth century manner. Chemical analyses were neverthe

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古代

Hydrothermal Alteration by Veins,etamor-phic, magmatic) have percolated. Chemical interactions with rocks along these pathways produce secondary minerals among which phyllosilicates are usually the dominant species. The mineral deposit sealing the fracture and the altered wall rocks are described as hydrothermal veins. These veins

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