Tectono-sedimentary Setting of Maastrichtian Deposits along NW-SE Transect in Fars Area, SE Zagros

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PARHAM SOMAYEH; Piryaei Alireza; Ghorbani Mansur; Moosavi Harami Seyyed Reza

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Journal: GEOSCIENCES Year:2020 | Volume:30 | Issue:117 Page(s): 253-264

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Information Journal Paper

Title

Tectono-sedimentary Setting of Maastrichtian Deposits along NW-SE Transect in Fars Area, SE Zagros

Author(s)

PARHAM SOMAYEH | Piryaei Alireza | Ghorbani Mansur | Moosavi Harami Seyyed Reza | Issue Writer Certificate

Keywords

Maastrichtian DepositsQ1

Tarbur FormationQ2

Fars AreaQ2

Abstract

Late Cretaceous in Zagros encompasses regional tectonics and caused foreland basin to form in northeast of the Arabian Plate. Salt tectonics is also locally affected this area. One of the time periods that can better picture this tectono-sedimentary evolution is Maastrichtian. In order to investigate this evolution in the Maastrichtian time, a regional cross-section was made inthe Fars outcrops and wells. A sedimentological study and sequence stratigraphy have been accomplished along this transect. Maastrichtian Deposits consist of the upper part of the Gurpi and the Tarbur Formations in the studied transect. Based onsedimentological investigation, 14microfacies have been identified. This microfacies were deposited in 4microfacies belt including tidal flat, restricted and open lagoon, reef and open marine in a shelf carbonate platform. Based on sequence stratigraphic studies, 3 sedimentary sequences were identified in the studied interval. Correlation along the transect revealed that the Maastrichtian Deposits occurred on the forebulge of Zagros foreland basin. It is also concluded that the fore-buldge shows a nearly smooth topography and thus accommodation space is homogeneous. Hence the thickness of the Maastrichtian Deposits does not vary so much along this transect. Thickness anomaly in Namak-dehkuyeh occurs as a result of salt structure which decreased accommodation space.

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APA: Copy

PARHAM, SOMAYEH, Piryaei, Alireza, Ghorbani, Mansur, & Moosavi Harami, Seyyed Reza. (2020). Tectono-sedimentary Setting of Maastrichtian Deposits along NW-SE Transect in Fars Area, SE Zagros. GEOSCIENCES, 30(117 ), 253-264. SID. https://sid.ir/paper/404954/en

Vancouver: Copy

PARHAM SOMAYEH, Piryaei Alireza, Ghorbani Mansur, Moosavi Harami Seyyed Reza. Tectono-sedimentary Setting of Maastrichtian Deposits along NW-SE Transect in Fars Area, SE Zagros. GEOSCIENCES[Internet]. 2020;30(117 ):253-264. Available from: https://sid.ir/paper/404954/en

IEEE: Copy

SOMAYEH PARHAM, Alireza Piryaei, Mansur Ghorbani, and Seyyed Reza Moosavi Harami, “Tectono-sedimentary Setting of Maastrichtian Deposits along NW-SE Transect in Fars Area, SE Zagros,” GEOSCIENCES, vol. 30, no. 117 , pp. 253–264, 2020, [Online]. Available: https://sid.ir/paper/404954/en

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