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The role of shear stresses in mineral transformations

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Abstract

Examples of mineral transformations in the zone of faults, which limit the Aldan Shield from the south, in the limits of the Ukrainian Shield and Voronezh crystalline massif, and also in the xenoliths from the kimberlites of East Siberia and alkaline basalts of Mongolia are examined. The role of shear stresses and strains of the rocks and minerals caused by them in the formation of high-baric mineral phases is shown. A general conclusion about the essential role of shear stresses in the substance formation of the Earth’s tectonosphere is formulated.

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Original Russian Text © Yu.S. Genshaft, G.N. Bazhenova, 2010, published in Fizika Zemli, 2010, No. 5, pp. 83–87

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Genshaft, Y.S., Bazhenova, G.N. The role of shear stresses in mineral transformations. Izv., Phys. Solid Earth 46, 446–450 (2010). https://doi.org/10.1134/S1069351310050101

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