STRUCTURAL ANALYSIS OF METAMORPHOSED ROCKS IN MOUTEH AREA (EAST OF GOLPAYEGAN) AND ITS GOLD MINERALIZATION

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HASSANI H.; MOHAJEL MOHAMMAD; SEDDIGH M.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: AMIRKABIR Year:2002 | Volume:13 | Issue:50 Page(s): 225-233

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Title

STRUCTURAL ANALYSIS OF METAMORPHOSED ROCKS IN MOUTEH AREA (EAST OF GOLPAYEGAN) AND ITS GOLD MINERALIZATION

Author(s)

HASSANI H. | MOHAJEL MOHAMMAD | SEDDIGH M. | Issue Writer Certificate

Keywords

DEFORMATIONQ4

SHEAR ZONESQ4

GOLD MINERALIZATIONQ4

TRANSTENSION TECTONICSQ4

Abstract

The Mouteh area is located 270-km southwest of Tehran. It is a part of Sanandaj-sirjan Zone and contains metamorphosed igneous-sedimentary complex (predominantly composed of mica-schist, mylonitic felsic met igneous rocks), granitoids and sedimentary assemblage. A progressive DEFORMATION affected on these lithologic assemblage. This process contains three DEFORMATION stages including: D1, D2 and D3. Result of the first DEFORMATION stage (D1) is production of a compositional layering in different parts of this area containing alteration of layers rich in felsic (quartz and feldpar) and mafic (biotite and amphibol) minerals. Structural event that produced this compositional layering (s1) has been overprinted by following stages. The second stage of DEFORMATION that is the most important event of DEFORMATION in the Mouteh and adjacent areas developed a penetrative mylonitic foliation (S2 =Sm) and stretching/ mineral lineation (Lm). Folds that are related to this stage, have high amplitude and low wavelegth and their inter-limb angle is less than 30 (tight to isoclinal).Many of these folds of this stage (fold axes and stretching lineation) have shallowly plunging in different parts of the area. Trend of DEFORMATION produced open folds that has changed position of the second structural elements development of dextral en-echelon fault system with sinistral-revers sense of movement is the main character of this stage. Several joint systems are related to this event. The most activity of magmatism occurred during this stage. The mouteh granitoid appears to intruded after DJ & D2 DEFORMATIONs along "transtension SHEAR ZONES". This DEFORMATION was accompanied by remobilization of quartz pyrite and chalcopyrite(hosting gold)from granitoid intrusion.

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APA: Copy

HASSANI, H., MOHAJEL, MOHAMMAD, & SEDDIGH, M.. (2002). STRUCTURAL ANALYSIS OF METAMORPHOSED ROCKS IN MOUTEH AREA (EAST OF GOLPAYEGAN) AND ITS GOLD MINERALIZATION. AMIRKABIR, 13(50), 225-233. SID. https://sid.ir/paper/838/en

Vancouver: Copy

HASSANI H., MOHAJEL MOHAMMAD, SEDDIGH M.. STRUCTURAL ANALYSIS OF METAMORPHOSED ROCKS IN MOUTEH AREA (EAST OF GOLPAYEGAN) AND ITS GOLD MINERALIZATION. AMIRKABIR[Internet]. 2002;13(50):225-233. Available from: https://sid.ir/paper/838/en

IEEE: Copy

H. HASSANI, MOHAMMAD MOHAJEL, and M. SEDDIGH, “STRUCTURAL ANALYSIS OF METAMORPHOSED ROCKS IN MOUTEH AREA (EAST OF GOLPAYEGAN) AND ITS GOLD MINERALIZATION,” AMIRKABIR, vol. 13, no. 50, pp. 225–233, 2002, [Online]. Available: https://sid.ir/paper/838/en

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