GEOCHEMISTRY OF BIOTITES IN ALI ABAD- DARREH ZERESHK COPPER PORPHYRY DEPOSITS, YAZD, CENTRAL IRAN

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YAZDI MOHAMMAD; KHOSHNOUDI KH.

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Journal: JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY) Year:2007 | Volume:17 | Issue:65 (GEOLOGY ISSUE) Page(s): 43-58

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Title

GEOCHEMISTRY OF BIOTITES IN ALI ABAD- DARREH ZERESHK COPPER PORPHYRY DEPOSITS, YAZD, CENTRAL IRAN

Author(s)

YAZDI MOHAMMAD | KHOSHNOUDI KH. | Issue Writer Certificate

Keywords

GEOCHEMISTRY OF BIOTITEQ3

GRANITOIDQ3

ALI-ABAD- DARREH ZERESHK COPPER PORPHYRYQ3

YAZDQ3

IRANQ2

Abstract

Darreh-Zerreshk and Ali-Abad are two relatively small porphyry copper deposits in YAZD Province in Central IRAN. They are located within the central IRANian volcano-plutonic belt. The deposits are associated with igneous intrusions. The intrusions with Oligocene-Miocene age intruded to Eocene volcano-sedimentary and Cretaceous conglomerates and carbonate rocks. These GRANITOIDs, hosted Cu mineralization, were derived from I-type calc-alkaline magma, which are located in syncollisional volcanic arc environment. Biotites from GRANITOIDs of the Aliabad-Darreh Zereshk areas are green and brown types. Although, these tow types have different colors under microscope but their chemical compositions are not showing sharp differences. The ratios of 100 (Mg/ (Mg + Fe) vary between 17 and 22. Also, plotting of 100Fet / ( Fet + Mg ) ratio of the studied biotites on a stability diagram correspond to temperature about 600 t0750°C and confirming magmatic origin for these biotites. In addition, biotite composition can be used for discrimination of the GRANITOID magma. The chemical composition of studied biotites shows that the GRANITOIDs of the Aliabad-Darreh Zereshk areas are calc - alkaline I-type.

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APA: Copy

YAZDI, MOHAMMAD, & KHOSHNOUDI, KH.. (2007). GEOCHEMISTRY OF BIOTITES IN ALI ABAD- DARREH ZERESHK COPPER PORPHYRY DEPOSITS, YAZD, CENTRAL IRAN. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), 17(65 (GEOLOGY ISSUE)), 43-58. SID. https://sid.ir/paper/70500/en

Vancouver: Copy

YAZDI MOHAMMAD, KHOSHNOUDI KH.. GEOCHEMISTRY OF BIOTITES IN ALI ABAD- DARREH ZERESHK COPPER PORPHYRY DEPOSITS, YAZD, CENTRAL IRAN. JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY)[Internet]. 2007;17(65 (GEOLOGY ISSUE)):43-58. Available from: https://sid.ir/paper/70500/en

IEEE: Copy

MOHAMMAD YAZDI, and KH. KHOSHNOUDI, “GEOCHEMISTRY OF BIOTITES IN ALI ABAD- DARREH ZERESHK COPPER PORPHYRY DEPOSITS, YAZD, CENTRAL IRAN,” JOURNAL OF SCIENCES (ISLAMIC AZAD UNIVERSITY), vol. 17, no. 65 (GEOLOGY ISSUE), pp. 43–58, 2007, [Online]. Available: https://sid.ir/paper/70500/en

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