DETERMINATION OF EMPLACEMENT MECHANISM OF ZAFARGHAND GRANITOID PLUTON (SOUTHEAST OF ARDESTAN) BY USING ANISOTROPY OF MAGNETIC SUSCEPTIBILITY METHOD (AMS)

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SADEGHIAN MAHMOUD; GAVANJI NEGAR; GHASEMI HABIBOLLAH; RAMAZANI OMALI RAMAZAN

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Journal: PETROLOGY Year:2017 | Volume:8 | Issue:29 Page(s): 109-134

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Title

DETERMINATION OF EMPLACEMENT MECHANISM OF ZAFARGHAND GRANITOID PLUTON (SOUTHEAST OF ARDESTAN) BY USING ANISOTROPY OF MAGNETIC SUSCEPTIBILITY METHOD (AMS)

Author(s)

SADEGHIAN MAHMOUD | GAVANJI NEGAR | GHASEMI HABIBOLLAH | RAMAZANI OMALI RAMAZAN | Issue Writer Certificate

Keywords

ANISOTROPY OF MAGNETIC SUSCEPTIBILITYQ1

FEEDER ZONESQ1

SILLQ2

ZAFARGHANDQ1

URUMIEH - DOKHTAR STRUCTURAL ZONEQ1

Abstract

Zafarghand granitoid pluton with compositional range from gabbro to granite and early to middle Miocene age cropped out about 35 km of SE Ardestan. This pluton intruded the Eocene volcanic and volcanosedimentary rocks of the URUMIEH - DOKHTAR STRUCTURAL ZONE. In this research, for the first time, the emplacement mechanism of ZAFARGHAND granitoidic pluton method has been investigated using of ANISOTROPY OF MAGNETIC SUSCEPTIBILITY (AMS). Based on field observations, as well as petrography and interpretations of magnetic parameters, ZAFARGHAND pluton divided into 5 domains (1A, 1B, 2, 3, 4 and 5). Domain 1, in turn, is divided into 1A and 1B. Domains 2 and 4 are lithologically, gabbro to quartzdiorite and have been emplaced first. They have played as FEEDER ZONES. Domains 1A, 1B, 3, and 5 are dominantly granodioritic to granitic composition and have been emplaced as a big and low dip magmatic flow (or possibly as a SILL). The occurrence of gabbro to quartzdiorite as well as grandiorite, granite and tonalite in the margin borders of the body, are all indication of magma mixing. It is should be noted that during emplacement of the pluton studied, fractional crystallization, magma mixing and crustal contamination contributed to its generation and the evolution as well.

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APA: Copy

SADEGHIAN, MAHMOUD, GAVANJI, NEGAR, GHASEMI, HABIBOLLAH, & RAMAZANI OMALI, RAMAZAN. (2017). DETERMINATION OF EMPLACEMENT MECHANISM OF ZAFARGHAND GRANITOID PLUTON (SOUTHEAST OF ARDESTAN) BY USING ANISOTROPY OF MAGNETIC SUSCEPTIBILITY METHOD (AMS). PETROLOGY, 8(29 ), 109-134. SID. https://sid.ir/paper/196981/en

Vancouver: Copy

SADEGHIAN MAHMOUD, GAVANJI NEGAR, GHASEMI HABIBOLLAH, RAMAZANI OMALI RAMAZAN. DETERMINATION OF EMPLACEMENT MECHANISM OF ZAFARGHAND GRANITOID PLUTON (SOUTHEAST OF ARDESTAN) BY USING ANISOTROPY OF MAGNETIC SUSCEPTIBILITY METHOD (AMS). PETROLOGY[Internet]. 2017;8(29 ):109-134. Available from: https://sid.ir/paper/196981/en

IEEE: Copy

MAHMOUD SADEGHIAN, NEGAR GAVANJI, HABIBOLLAH GHASEMI, and RAMAZAN RAMAZANI OMALI, “DETERMINATION OF EMPLACEMENT MECHANISM OF ZAFARGHAND GRANITOID PLUTON (SOUTHEAST OF ARDESTAN) BY USING ANISOTROPY OF MAGNETIC SUSCEPTIBILITY METHOD (AMS),” PETROLOGY, vol. 8, no. 29 , pp. 109–134, 2017, [Online]. Available: https://sid.ir/paper/196981/en

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