EMPLACEMENT MECHANISM OF ZAHEDAN GRANITOIDIC PILLTON WITH THE AID OF AMS METHOD

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SADEGHIAN MAHMOUD; VALIZADEH M.V.

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Journal: GEOSCIENCES Year:2008 | Volume:17 | Issue:66 Page(s): 134-159

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Title

EMPLACEMENT MECHANISM OF ZAHEDAN GRANITOIDIC PILLTON WITH THE AID OF AMS METHOD

Author(s)

SADEGHIAN MAHMOUD | VALIZADEH M.V. | Issue Writer Certificate

Keywords

EMPLACEMENT MECHANISMQ3

GRANITOIDIC PLUTONQ3

ZAHEDANQ2

ANISOTROPY OF MAGNETIC SUSCEPTIBILITYQ3

MAGNETIC LINEATIONS D FOLIATIONSQ3

FEEDER ZONEQ3

Abstract

Zahedan GRANITOIDIC PLUTON (750 km2) with general NW-SE elongation is located in the middle part of the ZAHEDAN-Saravan anitoidic belt. It includes granites, granodiorites and diorites and it is also cut by numerous of andesitic to dacitic dikes. The gionalmetamorphic rocks of the area, with the age of Eocene, have been intruded by this pluton. In this research, emplacement echanism of the northern part of ZAHEDAN pluton has been studied with the aid of ANISOTROPY OF MAGNETIC SUSCEPTIBILITY (AMS) method. The results show that granitic rocks of the ZAHEDAN pluton belong to paramagnetic granites (500mSI) while diorites Idgranodiorites belong to ferromagnetic granites (500mSI). The magnetic lineations and foliations of the pluton mainly have low dip or sub-horizontal In contrast, dioritic rocks which cover a small area, have magnetic lineations and foliations with high dip (sub-vertical). Therefore, dioritic rocks are considered as the FEEDER ZONE or the ascent location of the magma for this part of the ZAHEDAN granitoidic pluten. Very low dip magnetic lineations and foliations suggest that ZAHEDAN GRANITOIDIC PLUTON has been emplaced as sill. The activity of a very low dip simple shear movement has an impartment role in preparing a suitable space fir emplacement of this granitodic pluton.

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APA: Copy

SADEGHIAN, MAHMOUD, & VALIZADEH, M.V.. (2008). EMPLACEMENT MECHANISM OF ZAHEDAN GRANITOIDIC PILLTON WITH THE AID OF AMS METHOD. GEOSCIENCES, 17(66), 134-159. SID. https://sid.ir/paper/31817/en

Vancouver: Copy

SADEGHIAN MAHMOUD, VALIZADEH M.V.. EMPLACEMENT MECHANISM OF ZAHEDAN GRANITOIDIC PILLTON WITH THE AID OF AMS METHOD. GEOSCIENCES[Internet]. 2008;17(66):134-159. Available from: https://sid.ir/paper/31817/en

IEEE: Copy

MAHMOUD SADEGHIAN, and M.V. VALIZADEH, “EMPLACEMENT MECHANISM OF ZAHEDAN GRANITOIDIC PILLTON WITH THE AID OF AMS METHOD,” GEOSCIENCES, vol. 17, no. 66, pp. 134–159, 2008, [Online]. Available: https://sid.ir/paper/31817/en

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