POLY-DEFORMED TECTONITES IN DOME STRUCTURE OF THE ALMABOLAGH REGION, WEST OF HAMADAN

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MOHAJEL MOHAMMAD; IZADI KIANI L.

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

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Journal: GEOSCIENCES Year:2008 | Volume:17 | Issue:66 Page(s): 116-133

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Title

POLY-DEFORMED TECTONITES IN DOME STRUCTURE OF THE ALMABOLAGH REGION, WEST OF HAMADAN

Author(s)

MOHAJEL MOHAMMAD | IZADI KIANI L. | Issue Writer Certificate

Keywords

REFOLDINGQ3

TECTONITEQ3

DOME STRUCTUREQ3

ALMABOLAGH OF HAMADANQ3

SANANDAJ - SIRJAN ZONEQ2

Abstract

Almabolagh region is located in northwestern part of the Sanandaj-Sirjan zone of Zagros orogen in western Iran. This area islocated 15km to the west of Hamadan. Three rock units consisting of volcani-sediments (Almabolagh sequence) at the lower part, carbonate (Chenarsheikh sequence) in the middle, and slate (Hamadan slate) at the upper part are identified. These rocks that are metamorphosed at green schist facies have been exposed in a DOME STRUCTURE. Four stages of deformation (D1, ..., D4) areidentified in the TECTONITEs. D1 structures include first generation folds and related axial planar schistosity. D2 structures are recognized by tight to isoclinal, recumbent shallowly plunging folds, with horizontal to sub-horizontal axial plane schistosity which is the predominant foliation in this area. The mechanism of folding in this stage is flexural shearing and passive flow. D3 structures are identified by the third generation foliation that is weakly developed parallel to the axial surface of related upright, open to gentle folds. The third generation folds were produced by flexural slip mechanism. A DOME STRUCTURE generated by intrusion of magmatic batholiths in this region and structural elements of the main deformation stages (D2) were rotated.

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APA: Copy

MOHAJEL, MOHAMMAD, & IZADI KIANI, L.. (2008). POLY-DEFORMED TECTONITES IN DOME STRUCTURE OF THE ALMABOLAGH REGION, WEST OF HAMADAN. GEOSCIENCES, 17(66), 116-133. SID. https://sid.ir/paper/31816/en

Vancouver: Copy

MOHAJEL MOHAMMAD, IZADI KIANI L.. POLY-DEFORMED TECTONITES IN DOME STRUCTURE OF THE ALMABOLAGH REGION, WEST OF HAMADAN. GEOSCIENCES[Internet]. 2008;17(66):116-133. Available from: https://sid.ir/paper/31816/en

IEEE: Copy

MOHAMMAD MOHAJEL, and L. IZADI KIANI, “POLY-DEFORMED TECTONITES IN DOME STRUCTURE OF THE ALMABOLAGH REGION, WEST OF HAMADAN,” GEOSCIENCES, vol. 17, no. 66, pp. 116–133, 2008, [Online]. Available: https://sid.ir/paper/31816/en

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