نتایج جستجو برای: orogenic gold mineralization

تعداد نتایج: 97355  

Elkhan A. Mamedov

This article lists a number of geological data on the conditions of formation of some major gold deposits in the conglomerates of the Earth's crust. We analyze the metallogenic, tectonic, stratigraphic and other factors controlling the formation of gold-bearing conglomerates in certain fields, such as the Witwatersrand (S. Africa) and Darwaz (Tajikistan). The following tectonic factors play the...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده علوم پایه 1388

چکیده ندارد.

Journal: :زمین شناسی اقتصادی 0
زهرا اعلمی نیا محمد حسن کریم پور محمد رضا حیدریان شهری

the area is located 20 km northwest of kashmar and about 4 km of kalateh taimour in khorasan razavi province. the study area is part of tertiary volcanic-plutonic belt north of daruneh fault and its situation in tectonic inliers between two important active faults, doruneh and taknar. volcanic rocks are mainly intermediate to acid pyroclastic type. they formed during early tertiary. the volcani...

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