Investigations in isochemical contact metamorphism |
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| Authors: | V V Reverdatto V N Sharapov Yu G Lavrent'ev O S Pokachalova |
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| Institution: | (1) Institute of Geology and Geophysics, Siberian Branch of Academy of Sciences of the USSR, Novosibirsk, 90, USSR |
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| Abstract: | Isochemical contact metamorphism was observed in 3 localities based on 184 chemical analyses of rock samples and the significance tested using simple statistical techniques. The intrusions included gabbro, granosyenite, and granitic type rocks being intruded into respective schists, clays and shales, and schists and gneisses. Conductive heat transfer appeared to be the most important heat transfer mechanism in isochemical contact metamorphism. During isochemical metamorphism both H2O and CO2 were rather mobile and impoverished in the metamorphic rocks. |
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