Petrography and geochemistry of igneous rocks and Pb mineralization in Chasorbi area, south of Zahedan, southeastern Iran

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BOOMERI MOHAMMAD; Naruyi Somayeh; Ghodsi Mohammadreza

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Journal: GEOSCIENCES Year:2020 | Volume:29 | Issue:116 Page(s): 3-14

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Title

Petrography and geochemistry of igneous rocks and Pb mineralization in Chasorbi area, south of Zahedan, southeastern Iran

Author(s)

BOOMERI MOHAMMAD | Naruyi Somayeh | Ghodsi Mohammadreza | Issue Writer Certificate

Keywords

Chah SorbiQ1

LeadQ1

porphyry Cu mineralizationQ1

Sistan suture zoneQ1

Zahedan granitoidQ1

Abstract

The Chah Sorbi area is located in the Sistan suture zone. The geology in the Chah Sorbi, from old to young, are flysch type rocks, Zahedan granitoid, subvolcanic granodiorite porphyry, dioritic to granodioritic dikes and recent deposits. The Pb mineralization in the study area occurs as thin and short galena-bearing veins associated with pyrite, quartz, calcite, goethite and limonite. The host rocks are flysch and the subvolcanics that are undergone phyllic and argillic alteration. Propylitic alteration occurs in most dikes in the area and is characterized by chlorite, calcite and epidote. In northeast part of the area, the subvolcanic rocks were intruded by quartz stockworks and was strongly altered. The most intensive and extensive alteration with these rocks is phyllic alteration that is characterized by pyrite, quartz and sericite. Cu mineralization in the stock is characterized by presence of Cu-carbonate and – sulfides. Galena-bearing veins are probably epithermal type in the Chah Sorbi area that is situated in margin of a porphyry Cu system. Major and minor elements were measured in 7 least altered samples from intrusive rocks. The igneous rocks in the study area are metaluminous that are formed from a calc-alkaline magma in a continental margin volcanic arc setting.

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APA: Copy

BOOMERI, MOHAMMAD, Naruyi, Somayeh, & Ghodsi, Mohammadreza. (2020). Petrography and geochemistry of igneous rocks and Pb mineralization in Chasorbi area, south of Zahedan, southeastern Iran. GEOSCIENCES, 29(116 ), 3-14. SID. https://sid.ir/paper/402528/en

Vancouver: Copy

BOOMERI MOHAMMAD, Naruyi Somayeh, Ghodsi Mohammadreza. Petrography and geochemistry of igneous rocks and Pb mineralization in Chasorbi area, south of Zahedan, southeastern Iran. GEOSCIENCES[Internet]. 2020;29(116 ):3-14. Available from: https://sid.ir/paper/402528/en

IEEE: Copy

MOHAMMAD BOOMERI, Somayeh Naruyi, and Mohammadreza Ghodsi, “Petrography and geochemistry of igneous rocks and Pb mineralization in Chasorbi area, south of Zahedan, southeastern Iran,” GEOSCIENCES, vol. 29, no. 116 , pp. 3–14, 2020, [Online]. Available: https://sid.ir/paper/402528/en

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