MINERAL CHEMISTRY AND P-T CONDITIONS OF CRYSTALLIZATION OF THE GRANITOID PLUTONS IN THE ZAYANDEH-ROOD RIVER AREA, SHEAR ZONE OF NORTH OF SHAHREKORD WITH SPECIAL REFERENCE TO MAGMATIC EPIDOTE

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DAVOUDIAN DEHKORDI A.R.

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Journal: Iranian Journal of Crystallography and Mineralogy Year:2010 | Volume:18 | Issue:3 Page(s): 0-0

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Title

MINERAL CHEMISTRY AND P-T CONDITIONS OF CRYSTALLIZATION OF THE GRANITOID PLUTONS IN THE ZAYANDEH-ROOD RIVER AREA, SHEAR ZONE OF NORTH OF SHAHREKORD WITH SPECIAL REFERENCE TO MAGMATIC EPIDOTE

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DAVOUDIAN DEHKORDI A.R. | Issue Writer Certificate

Keywords

DEFORMED GRANITOIDQ3

MIDDLE JURASSICQ2

GEOBAROMETRYQ3

GEOTHERMOMETRYQ3

MAGMATIC EPIDOTEQ2

NORTH OF SHAHREKORDQ2

Abstract

The study area is located within the shear zone of the NORTH OF SHAHREKORD. There are many small and medium granitoid plutons that have intruded in the metamorphic rocks in MIDDLE JURASSIC. These rocks show sharp mylonitic foliation and lineation as the results of undergoing strong deformation. Most of these granitoid plutons contain the assemblage quartz +K-feldspar + plagioclase + biotite + hornblende + allanite + titanite + magnetite + MAGMATIC EPIDOTE + apatite + zircon ± garent in apparent textural equilibrium. Epidotes exhibit textural and compositional characteristics implying their magmatic origin. The granitoid plutons bearing MAGMATIC EPIDOTE must have formed under moderately high pressures, corresponding to lower crustal depths. The Al-in-hornblende GEOBAROMETRY yields pressures of 7.3-8.1 kbar (average 7.7 kbar) corresponding to a depth of about 28 Km. Also, amphibole-plagioclase GEOTHERMOMETRY gives temperatures from 663 to 711oC. The geothermobarometry results are in agreement with the presence of MAGMATIC EPIDOTE in the granitods.

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APA: Copy

DAVOUDIAN DEHKORDI, A.R.. (2010). MINERAL CHEMISTRY AND P-T CONDITIONS OF CRYSTALLIZATION OF THE GRANITOID PLUTONS IN THE ZAYANDEH-ROOD RIVER AREA, SHEAR ZONE OF NORTH OF SHAHREKORD WITH SPECIAL REFERENCE TO MAGMATIC EPIDOTE. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 18(3), 0-0. SID. https://sid.ir/paper/355838/en

Vancouver: Copy

DAVOUDIAN DEHKORDI A.R.. MINERAL CHEMISTRY AND P-T CONDITIONS OF CRYSTALLIZATION OF THE GRANITOID PLUTONS IN THE ZAYANDEH-ROOD RIVER AREA, SHEAR ZONE OF NORTH OF SHAHREKORD WITH SPECIAL REFERENCE TO MAGMATIC EPIDOTE. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2010;18(3):0-0. Available from: https://sid.ir/paper/355838/en

IEEE: Copy

A.R. DAVOUDIAN DEHKORDI, “MINERAL CHEMISTRY AND P-T CONDITIONS OF CRYSTALLIZATION OF THE GRANITOID PLUTONS IN THE ZAYANDEH-ROOD RIVER AREA, SHEAR ZONE OF NORTH OF SHAHREKORD WITH SPECIAL REFERENCE TO MAGMATIC EPIDOTE,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 18, no. 3, pp. 0–0, 2010, [Online]. Available: https://sid.ir/paper/355838/en

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