... and pockets, in which secondary pebblelike segregations of albitophyre, quartz albitophyre or porphyry were formed. ... The question of the origin of pyrite deposits in the region should be reconsidered in the light of the facts presented. ... to hypabyssal, a feature of which is the intensity of magmatic replacement and hydrothermal aureole metasomatism. ... Korzhinskiy, D.S. Tr. Inst. geol. nauk Akad.
Title | : | Doklady of the Academy of Sciences of the U.S.S.R. |
Author | : | |
Publisher | : | - 1970 |
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