Volume 17, Issue 2 (7-2009)                   www.ijcm.ir 2009, 17(2): 231-238 | Back to browse issues page

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The occurrence of Getchellite (AsSbS3) at Zarshuran As - Au deposit. www.ijcm.ir. 2009; 17 (2) :231-238
URL: http://ijcm.ir/article-1-583-en.html
Abstract:   (2765 Views)

The variety of lithologies from Late Precambrian to Quaternary and suitable conditions for mineralization caused formation of Zarshuran gold and arsenic deposit in black schists, shale, limestone and dolomite. The ore paragenesis include As, Sb, Fe, Pb, Zn, Hg sulfides and gold along with fluorite, barite and quartz. The most important alteration is silicification which is more obvious in the ore zone and formed jasperoid. The gold in this deposit is found as very fine grains and is rarely visible. The rare Getchellite occurred in arsenic ore zone of Zarshuran as a red mineral with (001) cleavage. Paragenetically, this mineral is intermediate between As and Sb sulfides. Getchellite found in some epithermal gold deposits, can be used as a gold tracer.

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Type of Study: Research | Subject: Special

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