WHOLE ROCK CHEMISTRY OF SHAHINDEZH METAPELITES, PROVENANCE AND MINERAL PARAGENESES

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MODJARRAD MONIR; MOAZZEN MOHSEN; MOAYYED MOHSEN

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Journal: PETROLOGY Year:2011 | Volume:1 | Issue:4 Page(s): 73-88

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Information Journal Paper

Title

WHOLE ROCK CHEMISTRY OF SHAHINDEZH METAPELITES, PROVENANCE AND MINERAL PARAGENESES

Author(s)

MODJARRAD MONIR | MOAZZEN MOHSEN | MOAYYED MOHSEN | Issue Writer Certificate

Keywords

MINERAL PARAGENESISQ2

CHEMICAL INDEX OF ALTERATION (CIA)Q3

PROVENANCEQ2

SHAHINDEZHQ2

METAPELITEQ2

TECTONIC SETTINGQ2

Abstract

In order to identify the PROVENANCE of met sediments of the SHAHINDEZH Metamorphic Complex (SMC), NW Iran, we have studied the bulk chemistry of the METAPELITEs in the mentioned area. The geochemistry of these rocks suggests that the parent sedimentary rocks are classified as shale. Major and trace elements concentration (e.g. TiO2, K2O, Ni, Rb) indicates that the primary igneous rock was acidic (andesite to rhyodacite). The chemical index of alteration (CIA) show that the source rocks have undergone moderate to high degree of chemical weathering and plagioclase composition varies from andesine to oligoclase. Using major oxides elements, the continental active margin is considered for SMC METAPELITEs source. In comparison with average upper continental crust, the SMC METAPELITEs show strong negative Ca and Sr anomalies and slight depletion in Nb and Mn but moderate enrichment in Y, Ba, Al and transitional elements.The similarity in the trends of multi-elements diagrams for all studied samples shows that bulk chemistry factor was constant variant at the different mineral par agenesis appearance process. Based on the standard PT pseudo sections drown by scientists for average metapelitic composition, Ms+Bt+St and Ms+Bt+St+Ky par agenesis were in equilibrium at the PT conditions estimated, previously.

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APA: Copy

MODJARRAD, MONIR, MOAZZEN, MOHSEN, & MOAYYED, MOHSEN. (2011). WHOLE ROCK CHEMISTRY OF SHAHINDEZH METAPELITES, PROVENANCE AND MINERAL PARAGENESES. PETROLOGY, 1(4), 73-88. SID. https://sid.ir/paper/197017/en

Vancouver: Copy

MODJARRAD MONIR, MOAZZEN MOHSEN, MOAYYED MOHSEN. WHOLE ROCK CHEMISTRY OF SHAHINDEZH METAPELITES, PROVENANCE AND MINERAL PARAGENESES. PETROLOGY[Internet]. 2011;1(4):73-88. Available from: https://sid.ir/paper/197017/en

IEEE: Copy

MONIR MODJARRAD, MOHSEN MOAZZEN, and MOHSEN MOAYYED, “WHOLE ROCK CHEMISTRY OF SHAHINDEZH METAPELITES, PROVENANCE AND MINERAL PARAGENESES,” PETROLOGY, vol. 1, no. 4, pp. 73–88, 2011, [Online]. Available: https://sid.ir/paper/197017/en

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