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Annual Session 2009
Saint Petersburg, Russia
5-7 October 2009
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Conferences & Meetings RMS Annual Session "Ontogeny of minerals applied to scientific and industrial uses (to the 100 year anniversary of Prof. Dmitry Grigoriev)"
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Implications for exsolution of Bi-Au-Ag-Te minerals from sulf-arsenides during retrograde metamorphism. A case study: Guelb Moghrein, Mauritania

RMS-DPI code:  2009-1-89-1
Scientific session:  2. Modern analytical methods used for studies of mineral formation processes.
Author listing:  Sakellaris G.A., Meyer F.M., Kolb J., Voudouris P.Ch.
Principal author:  Sakellaris Gregori Aarne
Language:  English
Abstract - Summary 
(short description):
In this study we investigate the distribution and textures developed between coexisting Co,Ni-bearing- Asp-Lo-Po grains, native gold and Bi-Au-Ag-Te-bearing minerals, that occur in the high grade ore zones of the Guelb Moghrein IOCG deposit. Composite grains of arsenopyrite with core of clinosafflorite enclosed in pyrrhotite matrix contain almost always minute inclusions of native gold and bismuth, electrum, maldonite and Bi-Au-Ag-Te minerals usually as semicircular to crescent-shaped grains that riddle clinosafflorite. The textural relationships between, Asp-Lo-Po-gold and Bi-Te grains at Guelb Moghrein suggest that gold and tellurides initially diffused within löllingite during retrograde metamorphism.
 
Date of presentation:  06/10/2009
Time of presentation:  17:00
Presentation Place:  Mining University, Hall 1164
 
RMS-DPI code:  2009-1-89-1
Proceeedings volume 
in the RMS catalogue:
 
Ontogeny of minerals applied to scientific and industrial uses (to the 100 year anniversary of Prof. Dmitry Grigoriev)
Pages:  260-262
File of proceedings 
(PDF): 
 432 K
Status:  printed
Recieved:  10/06/2009
Accepted:  26/07/2009
Published on-line:  15/10/2009
Permanent address of publication:  http://www.minsoc.ru/2009-1-89-1/
Contact author(s):  Sakellaris, Gregori AarneVoudouris, Panagiotis Ch.
 

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