GEOCHEMISTRY AND METALLOGENESIS OF SORKH-KUH GRANITOID INTRUSION (EAST IRAN VOLCANO-PLUTONIC ASSEMBLAGE), AND ITS ASSOCIATED CU-AU-FE POLYMETALLIC MINERALIZATION

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MEHRABI B.; TALE FAZEL E.; GHESEMI SIANI M.

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Journal: Iranian Journal of Geology Year:2012 | Volume:5 | Issue:20 Page(s): 29-45

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Title

GEOCHEMISTRY AND METALLOGENESIS OF SORKH-KUH GRANITOID INTRUSION (EAST IRAN VOLCANO-PLUTONIC ASSEMBLAGE), AND ITS ASSOCIATED CU-AU-FE POLYMETALLIC MINERALIZATION

Author(s)

MEHRABI B. | TALE FAZEL E. | GHESEMI SIANI M. | Issue Writer Certificate

Keywords

GEOCHEMISTRYQ2

REDUCED GRANITESQ2

POLYMETAL MINERALIZATIONQ2

SORKH-KUHQ2

EAST IRAN MAGMATIC ASSEMBLAGEQ2

Abstract

Sorkh-Kuh garnitoid body is located in the Lut depression (NE Iran), representing the oldest tectono-magmatic event recorded in the East Iran Zone as a volcano-plutonic activity. It consists mainly of granodiorite, diorite and tonalite with granular hypidomorphic texture which is composed of albite, quartz, biotite, hornblende, K-feldspar and apatite. SORKH-KUH is a meta- to peralominous calc-alkaline intrusion and its main geochemical features is similar to those of reduced S-type intrusion of ilmenite series. The associated sulfide-oxide polymetallic mineralization comprises of hypogene (chalcopyrite, bornite, pyrite, sphalerite, magnetite hematite) and supergene (digenite, covellite, chalcocite, malachite and neotocite) mineral assemblages. The anhydrous (wollastonite, ankerite, Fe-garnet and pyroxene) and hydrous (tremolite-actinolite, chlorite and epidote) calc-silicates and silicates formed in the skarn zone. The epigenetic mineralizations occurs as disseminated, vein-veinlets, replacement and skarn-type mainly as discrete and irregular lenses, bands and sheet-like bodies, which follow the regional trends. In the skarn zone and next to the intrusion, argillic, sericitic and limonitic alterations are widespread and propylitic alteration (epidote, chlorite and pyrite assemblage) formed far-off the main intrusive body. Geochemical characteristics of the SORKH-KUH intrusion are similar to productive Cu-Fe-Ag intrusions.

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APA: Copy

MEHRABI, B., TALE FAZEL, E., & GHESEMI SIANI, M.. (2012). GEOCHEMISTRY AND METALLOGENESIS OF SORKH-KUH GRANITOID INTRUSION (EAST IRAN VOLCANO-PLUTONIC ASSEMBLAGE), AND ITS ASSOCIATED CU-AU-FE POLYMETALLIC MINERALIZATION. IRANIAN JOURNAL OF GEOLOGY, 5(20), 29-45. SID. https://sid.ir/paper/129372/en

Vancouver: Copy

MEHRABI B., TALE FAZEL E., GHESEMI SIANI M.. GEOCHEMISTRY AND METALLOGENESIS OF SORKH-KUH GRANITOID INTRUSION (EAST IRAN VOLCANO-PLUTONIC ASSEMBLAGE), AND ITS ASSOCIATED CU-AU-FE POLYMETALLIC MINERALIZATION. IRANIAN JOURNAL OF GEOLOGY[Internet]. 2012;5(20):29-45. Available from: https://sid.ir/paper/129372/en

IEEE: Copy

B. MEHRABI, E. TALE FAZEL, and M. GHESEMI SIANI, “GEOCHEMISTRY AND METALLOGENESIS OF SORKH-KUH GRANITOID INTRUSION (EAST IRAN VOLCANO-PLUTONIC ASSEMBLAGE), AND ITS ASSOCIATED CU-AU-FE POLYMETALLIC MINERALIZATION,” IRANIAN JOURNAL OF GEOLOGY, vol. 5, no. 20, pp. 29–45, 2012, [Online]. Available: https://sid.ir/paper/129372/en

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