Abstract
The article presents new results of detailed petrographic and petrogeochemical studies of metagabbro-dole-rites from the center of the Kara Astrobleme. The data obtained made it possible to narrow the petrographic diversity of the rocks to two varieties: metagabbro-dolerites and quartz metagabbro-dolerites, formed during the differentiation of the original magmatic melt. The geochemical features of the rocks indicate the heterogeneity of the magma-generating source. Metagabbro-dolerites and quartz metagabbro-dolerites are characterized by the presence of planar elements of low and middle stages of impact metamorphism.
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