LITHOLOGICAL AND MICROSTRUCTURAL STUDY OF SORESAT METAMORPHIC COMPLEX (SOUTHEASTERN OF SHAHIN-DEJ)

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GHASEMI A.; POURKERMANI M.

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Journal: GEOSCIENCES Year:2004 | Volume:11 | Issue:51-52 Page(s): 18-27

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Information Journal Paper

Title

LITHOLOGICAL AND MICROSTRUCTURAL STUDY OF SORESAT METAMORPHIC COMPLEX (SOUTHEASTERN OF SHAHIN-DEJ)

Author(s)

GHASEMI A. | POURKERMANI M. | Issue Writer Certificate

Keywords

DEFORMATIONAL EVENTSQ3

PORPHYROBLASTQ4

TRAIL INCLUSIONQ4

P-T-T CURVEQ4

TECTONICQ4

SETTING OF GRANITEQ2

THERMOMETERYQ2

Abstract

Field and microscopic studies and geochemical analyses suggest that granitoid rocks may be subdivided into three main groups. The first group of granitoid rocks is S-type syn-tectonic granitic gneiss sheets, the second group is I-type volcanic arc granite and granodiorite and the third group is S-type post-collision alkali-granite.The rocks of Soresat metamorphic complex are different kinds of schist. Andalusite, staurolite, garnet, sillimanite (fibrolite) are the main metamorphic PORPHYROBLASTs in these rocks. The protolith of Soresat metamorphic complex are a sequence including shale, siltstone and graywacke with carbonate, arkosic sandstone and pyroclastic intercalations.A prominent, regionally penetrative foliation (S2) is distinguished in studied area. S2 is generally parallel to meta-sedimentary bedding plane. Thin section studies reveal two discrete DEFORMATIONAL EVENTS. The first deformational event (D1) is preserved as straight inclusion trails in Pre -S2 Post – S1 andalusite, staurolite PORPHYROBLASTs. The S2 is generated by the second deformational event. The retrograde metamorphic event follows the second deformational event. The proposed P-T-t path shows a clock-wise path for Soresat metamorphic complex (Pmax=3.7Kbar, Tmax=600°C).

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APA: Copy

GHASEMI, A., & POURKERMANI, M.. (2004). LITHOLOGICAL AND MICROSTRUCTURAL STUDY OF SORESAT METAMORPHIC COMPLEX (SOUTHEASTERN OF SHAHIN-DEJ). GEOSCIENCES, 11(51-52), 18-27. SID. https://sid.ir/paper/31954/en

Vancouver: Copy

GHASEMI A., POURKERMANI M.. LITHOLOGICAL AND MICROSTRUCTURAL STUDY OF SORESAT METAMORPHIC COMPLEX (SOUTHEASTERN OF SHAHIN-DEJ). GEOSCIENCES[Internet]. 2004;11(51-52):18-27. Available from: https://sid.ir/paper/31954/en

IEEE: Copy

A. GHASEMI, and M. POURKERMANI, “LITHOLOGICAL AND MICROSTRUCTURAL STUDY OF SORESAT METAMORPHIC COMPLEX (SOUTHEASTERN OF SHAHIN-DEJ),” GEOSCIENCES, vol. 11, no. 51-52, pp. 18–27, 2004, [Online]. Available: https://sid.ir/paper/31954/en

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