Title: The geometric analysis of Burkh Anticline, the southeastern of the Zagros fold-and-thrust belt
Abstract: Burkh anticline with the WNW-ESE trending is located in southeastern part of the Zagros fold-and-thrust belt and 40 km to the north of Bastak in the Fars zone. In this paper, based on the field data, satellite images and construction of the seven structural cross sections, structural geometry of the Burkh anticline is presented. Presence of the Precambrian- Cambrian of the Hormoz salt Formation as a basic detachment layer decouple the folded sedimentary cover from basement. Structural data show that the Burkh anticline is a detachment, buckle, asymmetrical and disharmonic fold. For describing tightness geometry of the fold, the term “open” is suggested. Field study and structural cross sections show that the Dashtak Formation as a middle detachment layer is the controlling factor for development of small-scale folding. Based on top of the Dehram Group underground contour map, vertical closure about 1000 m and horizontal closure of 200 km2 were calculated.
Publication Year: 2018
Publication Date: 2018-03-01
Language: en
Type: article
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