PETROGRAPHY AND PETROLOGY OF THE PLUTONIC COMPLEX OF THE SOUTH OF QORVEH

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TORKIAN A.; KHALILI M.; SEPAHI GARRO A.A.

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Journal: RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE" Year:2008 | Volume:30 | Issue:1 (GEOLOGY) Page(s): 117-138

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Title

PETROGRAPHY AND PETROLOGY OF THE PLUTONIC COMPLEX OF THE SOUTH OF QORVEH

Author(s)

TORKIAN A. | KHALILI M. | SEPAHI GARRO A.A. | Issue Writer Certificate

Keywords

MAGMATISMQ3

CALC-ALKALINEQ3

CRUSTALQ3

MANTLEQ3

GRANITOIDQ3

SANANDAJ-SIRJAN ZONEQ3

QORVEHQ3

Abstract

The QORVEH Plutonic Complex (QPC) is in SANANDAJ-SIRJAN ZONE (SSZ), that is located in south of QORVEH about 80 km in NW Hamadan, between 47o 42’ and 48o E-longitude and between 34o 50’ and 35o 10’ N-latitude. Due to post-emplacement tectonism QPC is a multi-pulse structure, containing a large variety of rocks. Three main units have been identified within the QPC based on field observations and mineralogical and geochemical characteristics. Mafic intrusions consist of gabbro-diorites, followed by felsic units that include GRANITOIDs and aplites. The QPC lies within the SSZ and emplaced during Eocene-Oligocene times. Microgranular mafic enclaves (MME) and amphibole-rich clots (ARC) are in the QPC. It is composed mainly of metaluminous with I-type affinity and had occurred in volcanic arc to an active continental margin setting. Harker variation diagrams show compositional gap between 59 to 68 wt% SiO2 contents and different units derived from a different sources. The combinations of field, petrographic and geochemical data show mafic units derived from MANTLE source that were enriched by Nb, Rb, Sr, Ba by hyrous fluids and/or malts through CRUSTAL contamination.

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مطالعه پتروگرافی و پترولوژیکی پگماتیت های منطقه همدان

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APA: Copy

TORKIAN, A., KHALILI, M., & SEPAHI GARRO, A.A.. (2008). PETROGRAPHY AND PETROLOGY OF THE PLUTONIC COMPLEX OF THE SOUTH OF QORVEH. RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE", 30(1 (GEOLOGY)), 117-138. SID. https://sid.ir/paper/56020/en

Vancouver: Copy

TORKIAN A., KHALILI M., SEPAHI GARRO A.A.. PETROGRAPHY AND PETROLOGY OF THE PLUTONIC COMPLEX OF THE SOUTH OF QORVEH. RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE"[Internet]. 2008;30(1 (GEOLOGY)):117-138. Available from: https://sid.ir/paper/56020/en

IEEE: Copy

A. TORKIAN, M. KHALILI, and A.A. SEPAHI GARRO, “PETROGRAPHY AND PETROLOGY OF THE PLUTONIC COMPLEX OF THE SOUTH OF QORVEH,” RESEARCH JOURNAL OF UNIVERSITY OF ISFAHAN "SCIENCE", vol. 30, no. 1 (GEOLOGY), pp. 117–138, 2008, [Online]. Available: https://sid.ir/paper/56020/en

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