THE MINERALOGY OF ALTERATION SYSTEMS IN MASJEDDAGHI, EAST OF JOLFA, EAST-AZARBAIDJAN PROVINCE

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SHEIKH SOHEILA; CALAGARI ALI ASGHAR; ABEDINI ALI

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Journal: Iranian Journal of Crystallography and Mineralogy Year:2010 | Volume:17 | Issue:4 Page(s): 579-590

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Title

THE MINERALOGY OF ALTERATION SYSTEMS IN MASJEDDAGHI, EAST OF JOLFA, EAST-AZARBAIDJAN PROVINCE

Author(s)

SHEIKH SOHEILA | CALAGARI ALI ASGHAR | ABEDINI ALI | Issue Writer Certificate

Keywords

MASJEDDAGHIQ2

JOLFAQ2

MINERALOGYQ2

ALTERATION ZONESQ3

MINERALIZATIONQ2

Abstract

MASJEDDAGHI area is located about 35 km east of JOLFA, north of East-Azarbaidjan province. Field and mineralogical studies show that quartz-diorite sub volcanic stock and quartz-andesitic volcanic rocks in this area were altered by both hypo gene and supergene hydrothermal solutions. Alterations are genetically affiliated with four groups of (1) quartz, (2) sulfide, (3) sulfate, and carbonate veinlets and micro-veinlets. The principal hypo gene ALTERATION ZONES recognized in the area are (1) potassic, (2) potassic-phyllic, (3) phyllic, (4) phyllic-argillic, (5) intermediate argillic, (6) propylitic, and (7) silicified. Two zones of supergene alterations were identified: (1) leached and oxidized cap and (2) supergene sulfide blanket. The hypo gene copper sulfide ore minerals in order of abundance are chalcopyrite, bornite, and chalcocite that were developed mainly in the potassic, potassic-phyllic, and phyllic ALTERATION ZONES. The supergene minerals that are intimately related to hypo gene ALTERATION ZONES include kaolinite, goethite, limonite, Mn-oxides, jarosite, malachite, azurite, covellite, and chalcocite. Considerations indicate that the supergene sulfide blanket in this area has not been well-developed and does not have considerable thickness and ore tenor.

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APA: Copy

SHEIKH, SOHEILA, CALAGARI, ALI ASGHAR, & ABEDINI, ALI. (2010). THE MINERALOGY OF ALTERATION SYSTEMS IN MASJEDDAGHI, EAST OF JOLFA, EAST-AZARBAIDJAN PROVINCE. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 17(4), 579-590. SID. https://sid.ir/paper/4203/en

Vancouver: Copy

SHEIKH SOHEILA, CALAGARI ALI ASGHAR, ABEDINI ALI. THE MINERALOGY OF ALTERATION SYSTEMS IN MASJEDDAGHI, EAST OF JOLFA, EAST-AZARBAIDJAN PROVINCE. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2010;17(4):579-590. Available from: https://sid.ir/paper/4203/en

IEEE: Copy

SOHEILA SHEIKH, ALI ASGHAR CALAGARI, and ALI ABEDINI, “THE MINERALOGY OF ALTERATION SYSTEMS IN MASJEDDAGHI, EAST OF JOLFA, EAST-AZARBAIDJAN PROVINCE,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 17, no. 4, pp. 579–590, 2010, [Online]. Available: https://sid.ir/paper/4203/en

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