Lithogeochemistry and magmatic evolution of mineralized-hosted igneous rocks in the mineral occurrences of northern Kabudan, Taknar complex

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TALE FAZEL E.

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Journal: GEOSCIENCES Year:2018 | Volume:27 | Issue:109 Page(s): 305-318

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Title

Lithogeochemistry and magmatic evolution of mineralized-hosted igneous rocks in the mineral occurrences of northern Kabudan, Taknar complex

Author(s)

TALE FAZEL E. | Issue Writer Certificate

Keywords

Whole-rock geochemistryQ2

LithogeochemistryQ1

HFSE-REEQ1

Magmatic evolutionQ1

Northern KabudanQ1

Abstract

The polymetallic Fe (± Base metal, Ag and Au) of Northern Kabudan (eastern of Sarborj village), occurs within breccia-porphyry rhyolite and pelitic-schist of the Taknar Formation. Based on field evidence, three rock units including: fine-grain rhyolite (footwall), porphyritic rhyolite (ore horizon) and late granitoid-andesitic rocks (hangingwall), are recognized in this area. Lithogeochemical signatures reveal that the fine-grain rhyolite of lower horizon with sub-alkaline geochemical signatures of (Nb/Y<0. 7), low Zr/TiO2 (608-930) and Zr/Sc (13. 3-36. 3) is successive replaced by ore-bearing porphyritic rhyolite with alkaline (Nb/Y>0. 7), slightly higher values of Zr/TiO2 (380-1116) and Zr/Sc (22. 5-116). Are thought to be the magma thermal control and partial melting of rhyolite in high temperature can be increasing HFSE/compatible element ratio (e. g., Zr/TiO2 and Zr/Sc) and eventually metal occurrence in porphyritic rhyolite are interpreted to have been concentration of ore minerals. Finally, the polymetallic mineralization in Northern Kabudan, adjacent to lower rhyolitic unit and ore horizon is probably occurs as a result of lithogeochemical evolution of porphyritic rhyolite felsic rocks.

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APA: Copy

TALE FAZEL, E.. (2018). Lithogeochemistry and magmatic evolution of mineralized-hosted igneous rocks in the mineral occurrences of northern Kabudan, Taknar complex. GEOSCIENCES, 27(109 ), 305-318. SID. https://sid.ir/paper/32648/en

Vancouver: Copy

TALE FAZEL E.. Lithogeochemistry and magmatic evolution of mineralized-hosted igneous rocks in the mineral occurrences of northern Kabudan, Taknar complex. GEOSCIENCES[Internet]. 2018;27(109 ):305-318. Available from: https://sid.ir/paper/32648/en

IEEE: Copy

E. TALE FAZEL, “Lithogeochemistry and magmatic evolution of mineralized-hosted igneous rocks in the mineral occurrences of northern Kabudan, Taknar complex,” GEOSCIENCES, vol. 27, no. 109 , pp. 305–318, 2018, [Online]. Available: https://sid.ir/paper/32648/en

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