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Information Journal Paper

Title

RELATIVE TIMING OF MYLONITIZATION EVENT IN NORTH GOLPAYEGAN METAMORPHIC ROCKS

Pages

  161-168

Abstract

 Extensive mylonitic fabrics are observed in the north GOLPAYEGAN metamorphic rocks in the Sanandaj-Sirjan zone. Earlier researchers did not present any evidence for the RELATIVE TIMING of mylonitic fabrics development. In this paper, the relation between folding and metamorphism events and formation of shear zones in the north GOLPAYEGAN are documented. The evidence is systematically presented at the microscopic, outcrop (mesoscopic) and map scales in order to study the RELATIVE TIMING of MYLONITIZATION event. The evidence at the microscopic scale indicates that the MYLONITIZATION occurred after the first stage amphibolite facies high-grade metamorphism, synchronous with the second stage greenschist facies retrograde metamorphism. The evidence at the microscopic and outcrop scales are compatible with each other and show the MYLONITIZATION event during the second stage (D2) folding, coeval with the greenschist facies metamorphism. Transposition of mylonitic foliations on the limbs of the second-generation microscopic and mesoscopic folds is documented. At the map scale, concordance of stretching lineations with second-generation fold axes, and folding of mylonitic foliations during the third stage of deformation also indicate MYLONITIZATION event during second stage (D2) deformation. Through a correlation of the isotopic ages, an Early Paleocene age is proposed for the MYLONITIZATION during D2 event in the north GOLPAYEGAN.

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    APA: Copy

    MOOSAVI, E., MOHAJJEL, M., & RASHIDNEJAD OMRAN, N.. (2015). RELATIVE TIMING OF MYLONITIZATION EVENT IN NORTH GOLPAYEGAN METAMORPHIC ROCKS. GEOSCIENCES, 24(95 (TECTONIC)), 161-168. SID. https://sid.ir/paper/31296/en

    Vancouver: Copy

    MOOSAVI E., MOHAJJEL M., RASHIDNEJAD OMRAN N.. RELATIVE TIMING OF MYLONITIZATION EVENT IN NORTH GOLPAYEGAN METAMORPHIC ROCKS. GEOSCIENCES[Internet]. 2015;24(95 (TECTONIC)):161-168. Available from: https://sid.ir/paper/31296/en

    IEEE: Copy

    E. MOOSAVI, M. MOHAJJEL, and N. RASHIDNEJAD OMRAN, “RELATIVE TIMING OF MYLONITIZATION EVENT IN NORTH GOLPAYEGAN METAMORPHIC ROCKS,” GEOSCIENCES, vol. 24, no. 95 (TECTONIC), pp. 161–168, 2015, [Online]. Available: https://sid.ir/paper/31296/en

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