PETROGRAPHY, GEOCHEMISTRY, PETROGENESIS AND MAGMATIC CONTAMINATION REVIEW SHAHKHAIROLLAH VOLCANO (WEST OF SARCHESHMEH COPPER MINE)

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ARZHANGNEZHAD FARZANEH; MORADIAN ABBAS

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Journal: GEOCHEMISTRY Year:2013 | Volume:1 | Issue:4 Page(s): 289-300

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Information Journal Paper

Title

PETROGRAPHY, GEOCHEMISTRY, PETROGENESIS AND MAGMATIC CONTAMINATION REVIEW SHAHKHAIROLLAH VOLCANO (WEST OF SARCHESHMEH COPPER MINE)

Author(s)

ARZHANGNEZHAD FARZANEH | MORADIAN ABBAS | Issue Writer Certificate

Keywords

URUMIEH-DOKHTARQ2

MAGMATIC BELTQ2

CALC-ALKALINEQ2

ACTIVE CONTINENTAL MARGINQ2

CRUSTAL CONTAMINATIONQ2

Abstract

Shahkhairollah volcano lies at the Southeastern part of URUMIEH-DOKHTAR belt (West of Sarcheshmeh copper mine) with Neogene age. This volcano contains pyroclastic, lava and subvolcanic intrusions which have located on Eocene basaltic rocks. Based on petrographic studies, Shahkhairollah volcano is composed of three types of rocks, including dacite, trachy dacite and trachy andesite. Mineralogically, they consist of plagioclase, quartzes, biotites and hornblendes; also, porphyritic is the rocks main texture. Plagioclas phenocrysts show evidences of disequilibrium textures such as sieve texture and zoning. These features can be formed by P H2O variations and decompression (as magma rises to the surface). The geochemical studies show that primitive magma has been CALC-ALKALINE. Also, these data show enrichment of LREE and depletion of HREE. primitive mantle and chondrite normalized spider diagrams indicate the differentiation process and crust contamination on the primitive magma. AFC processes has been effective on the magmatic changes of Shahkhairollah volcanic rocks that it is understood by the mineralogical and geochemical evidences. LILE and Pb enrichments indicate CRUSTAL CONTAMINATION. Moreover, typical negative anomaly of Ti and Nb can be shown that this volcano is composed in a volcanic arc environment and it is considered as an ACTIVE CONTINENTAL MARGIN volcano.

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APA: Copy

ARZHANGNEZHAD, FARZANEH, & MORADIAN, ABBAS. (2013). PETROGRAPHY, GEOCHEMISTRY, PETROGENESIS AND MAGMATIC CONTAMINATION REVIEW SHAHKHAIROLLAH VOLCANO (WEST OF SARCHESHMEH COPPER MINE). GEOCHEMISTRY, 1(4), 289-300. SID. https://sid.ir/paper/230924/en

Vancouver: Copy

ARZHANGNEZHAD FARZANEH, MORADIAN ABBAS. PETROGRAPHY, GEOCHEMISTRY, PETROGENESIS AND MAGMATIC CONTAMINATION REVIEW SHAHKHAIROLLAH VOLCANO (WEST OF SARCHESHMEH COPPER MINE). GEOCHEMISTRY[Internet]. 2013;1(4):289-300. Available from: https://sid.ir/paper/230924/en

IEEE: Copy

FARZANEH ARZHANGNEZHAD, and ABBAS MORADIAN, “PETROGRAPHY, GEOCHEMISTRY, PETROGENESIS AND MAGMATIC CONTAMINATION REVIEW SHAHKHAIROLLAH VOLCANO (WEST OF SARCHESHMEH COPPER MINE),” GEOCHEMISTRY, vol. 1, no. 4, pp. 289–300, 2013, [Online]. Available: https://sid.ir/paper/230924/en

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