MASS CHANGE CALCULATION DURING HYDROTHERMAL ALTERATION/MINERALIZATION IN A PORPHYRY COPPER DEPOSIT DARREHZAR, KERMAN

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ABDOLZADEH MAHDI; DERAKHSHANI R.; YOUSEFI S.J.; MORADIAN ABAS

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Seminar: SYMPOSIUM OF EARTH SCIENCES
Year:2006 | Issue:24

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Title

MASS CHANGE CALCULATION DURING HYDROTHERMAL ALTERATION/MINERALIZATION IN A PORPHYRY COPPER DEPOSIT DARREHZAR, KERMAN

Author(s)

ABDOLZADEH MAHDI | DERAKHSHANI R. | YOUSEFI S.J. | MORADIAN ABAS

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Abstract

The Darreh-Zar deposit is located southeast Volcano-Plutonic Belt, Dahaj-Sardoieh Belt, Kerman province and in 8 km south of the Sar-Cheshmeh Mine copper .The Darreh-Zar porphyry granodiorite intrusion cut Eocene Volcano-Sedimentary rocks ranging from Rhyolite to Andesite. In order to illustrate these changes quantitatively, iscon plot have been applied. Iscon plots illustrate that Al, Ti and Ga were relatively immobile during alteration, and the mass was essentially conserved during alteration. In the potassic alteration zone there is an obvious enrichment in K and depletion in Na,Ca,Mn and Fe. These changes were due to replacement of plagioclase and amphibole by K-feldspar and biotite, respectively. Potassic alteration was associated with a large increase in Cu represented by disseminated chalcopyrite and bornite in this zone. Phyllic alteration was accompanied by the depletion of Na, K, Fe and Ba and the enrichment of Si and Cu. The loss of Na, K and Fe reflects the sericitization of alkali feldspar and the destruction of ferromagnesian minerals. The addition of Si is consistent with widespread silicification which is a major feature of phyllic alteration and the addition Cu, mobilized from the potassic zone which is depleted in this element.

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APA: Copy

ABDOLZADEH, MAHDI, DERAKHSHANI, R., YOUSEFI, S.J., & MORADIAN, ABAS. (2006). MASS CHANGE CALCULATION DURING HYDROTHERMAL ALTERATION/MINERALIZATION IN A PORPHYRY COPPER DEPOSIT DARREHZAR, KERMAN. SYMPOSIUM OF EARTH SCIENCES. SID. https://sid.ir/paper/902949/en

Vancouver: Copy

ABDOLZADEH MAHDI, DERAKHSHANI R., YOUSEFI S.J., MORADIAN ABAS. MASS CHANGE CALCULATION DURING HYDROTHERMAL ALTERATION/MINERALIZATION IN A PORPHYRY COPPER DEPOSIT DARREHZAR, KERMAN. 2006. Available from: https://sid.ir/paper/902949/en

IEEE: Copy

MAHDI ABDOLZADEH, R. DERAKHSHANI, S.J. YOUSEFI, and ABAS MORADIAN, “MASS CHANGE CALCULATION DURING HYDROTHERMAL ALTERATION/MINERALIZATION IN A PORPHYRY COPPER DEPOSIT DARREHZAR, KERMAN,” presented at the SYMPOSIUM OF EARTH SCIENCES. 2006, [Online]. Available: https://sid.ir/paper/902949/en

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