Volume 30, Issue 3 (9-2022)                   www.ijcm.ir 2022, 30(3): 9-9 | Back to browse issues page


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Sanighalhar, Yousefzadeh, Mahdavi. Petrography and geochemistry of igneous rocks and study of mineralization effects in Chah-Mikh mineral index, southwest of Birjand-South Khorasan. www.ijcm.ir 2022; 30 (3) :9-9
URL: http://ijcm.ir/article-1-1788-en.html
Abstract:   (1043 Views)
Chah Mikh area is a part of Lout blocks in 115 kilometers south west of Birjand. Stones in the studied district are Andesite, pyroxene – Andesite, Porphyry Diorite, Hornblende Andesite, Hornblende-Pyroxene, Monzodiorite , and Basalt. The texture of the most masses is Porphyritic. In central part of the studied area there are many extensive alteration zones which are directly related to semi-deep masses. Richness of light rare earth element, partial emptiness of heavy rare earth elements and the negative anomaly are their specialities and it represents Metalumina Magmatism types 1 in the active border of the continent and volcanic plates. Mineralization in this area in silic beefs arises from the action of the semi-deep stock. In terms of mineralogy original sulfide mineral existed in the area are Pyrite generation 1 Pyrite generation 2, Chalcopyrite, Chalcocite, Covellite and among the oxide phase mineral: Malachite Azurite, Chyrsocolla, Hematite and Goethite can be mentioned.
 
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Type of Study: Research | Subject: Special

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