Paleoproterozoic Kimberlites of the Lake Kimozero Area,Karelian Craton: Ore Mineralization in Kimberlites and Fault Zones |
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| Authors: | O A Bogatikov A Ya Dokuchaev A V Kargin E V Yutkina I A Kondrashov |
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| Institution: | 1.Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry,Moscow,Russia |
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| Abstract: | Syngenetic and epigenetic ore mineralization was studied in Paleoproterozoic metakimberlites in the area of Kimozero Lake. In the Kimozero structure, redeposited ore mineralization is constrained to fracture and shear zones and consists of Fe-vaesite, Fe–Co-polydymite, millerite, Ni-pyrrhotite, pentlandite, chalcopyrite, Zn-bearing copper, galena, and Ni-pyrite. The composition of this mineralization is analogous to that of syngenetic mineralization in pyroclastic and coherent kimberlite, and its likely source was the kimberlite itself. |
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