Petrogenesis, geochemistry and mineralogical in the Saghari copper deposit, South of shahrood

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Khoramtash y.; FARDOOST F.

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Journal: GEOSCIENCES Year:2020 | Volume:29 | Issue:114 Page(s): 209-220

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Title

Petrogenesis, geochemistry and mineralogical in the Saghari copper deposit, South of shahrood

Author(s)

Khoramtash y. | FARDOOST F. | Issue Writer Certificate

Keywords

PetrogenesisQ1

GeochemistryQ1

CopperQ2

Torud-ChahshirinQ2

SagharQ1

Abstract

The Saghari Copper deposit is located 120 Km at Southwest of shahrood, within in the eastern part of Toroud-Chahshirin magmatic arc. Mineralization in the Saghari area occured within volcanic and pyroclastic units of Eocene. Based on the field, laboratory investigations and geochemical analysis, the outcropped rocks in the Saghari deposit are andesite, andesite-basalt, basalt, dacite and several exposures of pyroclastic rocks such as tuff and agglomerate. The rocks are high-k, calc-alkaline to a small amount of shoshonitic in nature, and are formed at a magmatic arc setting in a subduction zone. Basic to intermediate dyke bodies intruded Eocene volcanic-pyroclastic sequences. The host rocks have been affected by argillitic, sericitization, chloritzation, carbonatization and oxide-Fe (limonite, hematite and goethite). The textures and structures of mineralization are vein-veinlet, replacement, open space filling and disminated. According to the mineralography studies, main minerals of Copper are malachite, chalcocite, covellite, chalcopyrite, chrysocolla and rare native Copper. Malachite and chalcosite are the most abundant minerals. Geochemical studies indicate that Copper has a relative correlation with silver. also based on studies of fluid inclusion, the depth of the ore, formation temperature and salinity are 100-200 meter, 100-140 ° c and 5-15 WtNaCl%. Copper mineralization in the Saghari deposite has similarities in mineralogy, host rock, texture, structure and geometry with manto-type and volcanic red bed Copper deposits.

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APA: Copy

Khoramtash, y., & FARDOOST, F.. (2020). Petrogenesis, geochemistry and mineralogical in the Saghari copper deposit, South of shahrood. GEOSCIENCES, 29(114 ), 209-220. SID. https://sid.ir/paper/31515/en

Vancouver: Copy

Khoramtash y., FARDOOST F.. Petrogenesis, geochemistry and mineralogical in the Saghari copper deposit, South of shahrood. GEOSCIENCES[Internet]. 2020;29(114 ):209-220. Available from: https://sid.ir/paper/31515/en

IEEE: Copy

y. Khoramtash, and F. FARDOOST, “Petrogenesis, geochemistry and mineralogical in the Saghari copper deposit, South of shahrood,” GEOSCIENCES, vol. 29, no. 114 , pp. 209–220, 2020, [Online]. Available: https://sid.ir/paper/31515/en

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