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Vol 174
Pages:
20-22
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RUS
Article
Geology

Petrological characterization of montsogranites and granosigenites of the Ubukunskoye ore occurrence

Authors:
N. A. Grebenkin1
V. V. Suchkov2
About authors
  • 1 — Russian State Geological Prospecting University
  • 2 — Russian State Geological Prospecting University
Date submitted:
2007-07-30
Date accepted:
2007-09-12
Date published:
2008-03-17

Abstract

Granites with monzonitic structure and granosienites represent early and late phases of intrusion development. Crystallization of granites takes place with deanortitization of plagioclase and incongruent formation of К-Na-feldspar. Granosienites are characterized with cotectic crystallization. Changes in granosienites at the acid stage lead to albitization of the K-Na-feldspar, chloritization of biotite and large-scale development of pyrite with Cu, Cd, Zn, Pb impurities. The late alkaline stage is characterized with sedimentation of Ca as calci-spar.

Область исследования:
Geology
Funding:

None

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