Periodicity of copper accumulation in the Earth’s sedimentary shell |
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| Authors: | I F Gablina Yu M Malinovskii |
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| Institution: | (1) Geological Institute, Russian Academy of Sciences, Pyzhevskii, per. 7, Moscow, 119017, Russia |
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| Abstract: | Physicochemical conditions of the migration and concentration of Cu in sedimentary rock, specific features of the formation of large and unique deposits of cupriferous sandstones and shales, distribution of copper deposits in the stratigraphic scale, and causes responsible for the reduction of Cu accumulation from Proterozoic to Cenozoic are considered. Genetic link of cupriferous sandstones and shales with arid red molassic rocks is shown. Conditions and periodicity of formation of the ore-generating red rocks are considered. An explanation for periodicity of maximum Cu accumulation in the Earth’s history is proposed. |
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