PETROLOGY AND GEOCHEMISTRY OF GRANITIC MASSES AND THOSE METAMORPHIC HALLOW IN NORTH – EAST OF SAGHEZ

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ARIAN MOHAMMAD ALI; EMAMALIPOUR ALI; MOHAMMAD AMINI AFSAR

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Journal: JOURNAL OF THE EARTH Year:2011 | Volume:6 | Issue:19 Page(s): 65-80

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Title

PETROLOGY AND GEOCHEMISTRY OF GRANITIC MASSES AND THOSE METAMORPHIC HALLOW IN NORTH – EAST OF SAGHEZ

Author(s)

ARIAN MOHAMMAD ALI | EMAMALIPOUR ALI | MOHAMMAD AMINI AFSAR | Issue Writer Certificate

Keywords

SAGHEZQ2

GRANITOIDQ2

GRANITEQ2

CALC ALCALINEQ2

I TYPEQ2

ACTIVE CONTINENTAL MARMINSQ2

Abstract

The studied area is located, in the eastern part of 1:100000 the geological map of SAGHEZ. This region is located in the northern part of Sanandaj-Sirjan zone. In this area some of intrusive masses with the composition of GRANITE, granodiorte, quartz monzonite and quartz diortite which are belongs to upper cretaceous-paleogene, have penetrated to older rocks such as Kahar formation sandstone (Precambrian), cretaceous carbonated and volcanic rocks which caused a weak contact metamorphism on the host rocks and permeable hornfelse by getting in contact with them. These GRANITOIDs include the minerals quartz, plagioclases, ortoclase and mafic minerals biotite and horenblende, and are also subsolvus. These masses have mafic microgranular xenoliths, mostly round and oval, with the same petrography and geochemistry properties with mafic margins of permeable mass. Also are accompanied by siliceous veins and aplitic dykes, that their permeation and replacement have been done in a delay phase in comparison with the main mass. Altered diabasic dykes with different magma source from the main mass are exist that has been injected into these GRANITEs. Petrography and geochemical evidences indicate the Calc Alkaline nature with medium to high potassium and metalominus to peraluminus of the major magma. Considering to several petrological diagrams, the magmatic fractionation is presumable in original magma by fractional crystallization. Microscopic and geochemical evidences show magma source type I for these GRANITEs and various diagrams of different tectonic environments are distinguish indicate of active continental margins for the place GRANITOIDs of this area.

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APA: Copy

ARIAN, MOHAMMAD ALI, EMAMALIPOUR, ALI, & MOHAMMAD AMINI, AFSAR. (2011). PETROLOGY AND GEOCHEMISTRY OF GRANITIC MASSES AND THOSE METAMORPHIC HALLOW IN NORTH – EAST OF SAGHEZ. JOURNAL OF THE EARTH, 6(19), 65-80. SID. https://sid.ir/paper/192952/en

Vancouver: Copy

ARIAN MOHAMMAD ALI, EMAMALIPOUR ALI, MOHAMMAD AMINI AFSAR. PETROLOGY AND GEOCHEMISTRY OF GRANITIC MASSES AND THOSE METAMORPHIC HALLOW IN NORTH – EAST OF SAGHEZ. JOURNAL OF THE EARTH[Internet]. 2011;6(19):65-80. Available from: https://sid.ir/paper/192952/en

IEEE: Copy

MOHAMMAD ALI ARIAN, ALI EMAMALIPOUR, and AFSAR MOHAMMAD AMINI, “PETROLOGY AND GEOCHEMISTRY OF GRANITIC MASSES AND THOSE METAMORPHIC HALLOW IN NORTH – EAST OF SAGHEZ,” JOURNAL OF THE EARTH, vol. 6, no. 19, pp. 65–80, 2011, [Online]. Available: https://sid.ir/paper/192952/en

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