PETROGRAPHY, GEOCHEMISTRY AND TECTONIC SETTING OF VOLCANIC ROCKS IN ZANDIYEH- RAVIZ (NORTHWEST OF RAFSANJAN)

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RAHMANIAN Z.; AHMADIPOUR H.

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Journal Paper

Paper Information

Journal: Iranian Journal of Crystallography and Mineralogy Year:2013 | Volume:21 | Issue:2 Page(s): 215-228

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Title

PETROGRAPHY, GEOCHEMISTRY AND TECTONIC SETTING OF VOLCANIC ROCKS IN ZANDIYEH- RAVIZ (NORTHWEST OF RAFSANJAN)

Author(s)

RAHMANIAN Z. | AHMADIPOUR H. | Issue Writer Certificate

Keywords

URUMIEH-DOKHTAR MAGMATIC BELTQ1

MAGMA MIXINGQ2

CALC-ALKALINEQ2

CRUSTAL CONTAMINATIONQ2

Abstract

The studied area is located about 35 KM north-west of Rafsanjan (Kerman Province) and belongs to Hezar volcanic complex (in Uromieh-Dokhtar volcanic belt) and consists of Eocene folded lava flows (basalt, basaltic andesite, andesite) and pyroclastic rocks. Plagioclase phenocrysts show evidences of disequilibrium textures such as sieve texture, resorption and oscillatory zoning. These features can be formed by magma mingling, PH2O variations and decompression, as magma rises to the surface. Geochemical Studies indicate that lava flows belong to CALC-ALKALINE magmatic series and their parent magmas have not extensively fractionated. The highly enrichment of LREE compared to HREE, high contents of LILE to HFSE and significant anomalies of Nb, Ti and P suggest a subduction-related volcanism.Chemical composition and phenocryst assemblages of these rocks indicate that these magmas probably derived from mantle, and then, have been erupted in a form of continental volcanic and they have passed some stages of their crystallization’s history in the crustal reservoirs During these stages, CRUSTAL CONTAMINATION affected them.

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APA: Copy

RAHMANIAN, Z., & AHMADIPOUR, H.. (2013). PETROGRAPHY, GEOCHEMISTRY AND TECTONIC SETTING OF VOLCANIC ROCKS IN ZANDIYEH- RAVIZ (NORTHWEST OF RAFSANJAN). IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 21(2), 215-228. SID. https://sid.ir/paper/3843/en

Vancouver: Copy

RAHMANIAN Z., AHMADIPOUR H.. PETROGRAPHY, GEOCHEMISTRY AND TECTONIC SETTING OF VOLCANIC ROCKS IN ZANDIYEH- RAVIZ (NORTHWEST OF RAFSANJAN). IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2013;21(2):215-228. Available from: https://sid.ir/paper/3843/en

IEEE: Copy

Z. RAHMANIAN, and H. AHMADIPOUR, “PETROGRAPHY, GEOCHEMISTRY AND TECTONIC SETTING OF VOLCANIC ROCKS IN ZANDIYEH- RAVIZ (NORTHWEST OF RAFSANJAN),” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 21, no. 2, pp. 215–228, 2013, [Online]. Available: https://sid.ir/paper/3843/en

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