Russian Mineralogical Society
RMS Annual Session combined with the Fedorov Session 2014
Evolution of hydrothermal system with native copper in the Volhynian upper proterozoic rocks (Ukraine)

RMS-DPI code:  2014-1-40-0
Scientific session:  M2. Mineralogy and geochemistry of precious metals
Author listing:  Mysiak .., Skakun L.Z., Slovotenko N.A., Serkiz R.Ya.
Principal author:  Slovotenko Nadiya Alexandrovna
Language:  Russian
Abstract - Summary 
(short description):
Native copper in early Vendian Volyn flood basalts is situated in the typical hydrothermal paragenesis. Hydrothermal system, which led to the formation of the native copper, was characterized by high-gradient and expressive gradients redox potential, concentration Ca, Na and H4SiO4. The presence of gradients caused by mixing solutions that were formed in the volcano-sedimentary basin (reducing conditions, high activity of Na+), and meteoric waters (oxidizing conditions, the high activity of HCO3). Mixing of these solutions in a low porosity medium lava flow leads to the formation of analcime-mordenite vertical zoning. Mixing of the same solutions in the high porosity breccia substrate leads to the formation of lateral analcime-natrolite zonation. In front of the mixing zone was formed paragenesis of the native copper + quartz (chalcedony).
Keywords: native copper, flood basalts, hydrothermal system
 
RMS-DPI code:  2014-1-40-0
File of proceedings 
(PDF): 
 6932 K
Status:  printed
Accepted:  31/08/2014
Published on-line:  28/12/2015
Permanent address of publication:  http://www.minsoc.ru/2014-1-40-0/
Contact author(s):  Slovotenko, Nadiya Alexandrovna

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