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Conferences & Meetings XIII All-Russian conference on thermobarogeochemistry in conjunction with IV APIFIS symposium
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Unusual formations of silicate glass and calcite around the blown up inclusions of gold in quartz from Mayskoye Au-bearing deposit (Ukrainian shield)

RMS-DPI code:  2008-1-18-0
Scientific session:  Fluid inclusions in magmatic minerals as indicators of magmas generation conditions and evolution
Author listing:  Voznyak D.K., Ostapenko S.S., Vyshnevsky A.A., Bondarenko S.N.
Principal author:  Voznyak Dmytro Konstantynovych
Language:  Russian
Abstract - Summary 
(short description):
Elongated (usually 50-60 microns in length) formations of silicate glass and calcite, the tops of which are always covered by the laminas of gold, is timed exceptionally to the healed cracks around the blown up inclusions of native gold in quartz. But not to all, only to that of them, to which during the healing of cracks silicate and carbonate melt entered. The last appeared in rock on the contact with high-temperature high-pressure streams of CO2-fluid. Its PT-parameters exceeded 11127 820 120 P. Some grains of glass and calcite (without gold tops) are also found in cracks on quartz, which are unconnected with the blown up inclusions of gold. Penetration of silicate and carbonate melt to quartz is conditioned by presence of gold film on the contact of mineral with silicate or carbonate melt.

 
Date of presentation:  22/09/2008
 
RMS-DPI code:  2008-1-18-0
Proceeedings volume 
in the RMS catalogue:
 
Proceedings of XIII International conference on thermobarogeochemistry and IVth APIFIS symposium. Volume 1.
Pages:  85-89
File of proceedings 
(PDF): 
 146 K
Status:  printed
Recieved:  11/03/2008
Accepted:  28/06/2008
Published on-line:  12/02/2009
Permanent address of publication:  http://www.minsoc.ru/2008-1-18-0/
Contact author(s):  Voznyak, Dmytro Konstantynovych
 

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