Volume 12, Issue 2 (10-2004)                   www.ijcm.ir 2004, 12(2): 203-214 | Back to browse issues page

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Petrography and geochemistry of jarosite in Rangan (southwest of Ardestan). www.ijcm.ir 2004; 12 (2) :203-214
URL: http://ijcm.ir/article-1-742-en.html
Abstract:   (3009 Views)

The study area is a part of central Iranian Cenozoic magmatic belt. The dominant rock type in the area is rhyodacite with Eocene in age. These rocks have been effected by Qum-Zefreh fault as well as alteration by hydrothermal solutions. Due to sulfate - acid alteration, the following  minerals are formed: pyrite + alkali feldspar + sericite + pyrophyllite + barite+  jarosite + hematite + quartz. The presence of abundant jarosite mineral and the high heavy elemental content, as well as the high K/Na ratio, we suggest that the Rangan jarosite may have a magmatic - hydrothermal origin.

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Type of Study: Research | Subject: Special

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