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DOI10.1016/j.jsg.2019.103932
Geometry and development of Zindapir Anticlinorium, Sulaiman Range, Pakistan
Jadoon, Saif-Ur-Rehman K.; Ding, Lin; Jadoon, Ishtiaq A. K.; Idrees, Muhammad; Zaib, Muhammad Owais
通讯作者Jadoon, SURK (通讯作者)
发表日期2020
ISSN0191-8141
卷号131
英文摘要Surface geological (field and Landsat images) and subsurface geophysical (seismic reflection and borehole) data were analyzed for geometry and development of N-S oriented frontal Zindapir anticlinorium in the Sulaiman Range, Pakistan. The anticlinorium with its four segments of structural relief (salients), north to south as Dhodak, Rodho, Affiband, and Zindapir, extends over about 130 km with east-vergence of the fold axis, of general NS trend, highly oblique to the plate convergence vector. Based on seismic and well data correlation, sedimentary strata are interpreted with an east to west increase in thickness over the basement, along the western passive margin of the Indian plate. The basement is modelled to have NS trend with gentle similar to 2.5 degrees westward dip. NS well correlation along the fold axis and seismic reflection interpretation depict structural relief of 2-4 km along different salient's. Based on seismic reflection profiles, shallow-rooted pop-ups in Tertiary and Cretaceous strata are interpreted, contrary to their earlier interpretation as thick-skinned structures. The core of the anticlinorium is occupied with duplication of Jurassic and older (Triassic) strata, of flat-ramp-flat geometry, as a fault-bend fold, and an anticlinal stack, due to variable shortening from edges to the centre (across strike) of the anticline. It is interpreted to develop along lateral ramps, oblique to the direction of tectonic transport, along the eastern edge of the Sulaiman fold belt (SFB). Shortening along the Zindapir anticlinorium reflects a fraction of 37 mm/yr convergence along thrust faults of flat-and-ramp geometry. The Zindapir anticlinorium serves an example for better understanding of oblique mountain fronts, active tectonics, and hydrocarbon exploration in the region.
关键词FOLD-THRUST BELTDETRITAL ZIRCON PROVENANCEINDIA-ASIA COLLISIONTECTONIC EVOLUTIONFOCAL MECHANISMSWESTERN HIMALAYAMOUNTAIN BELTSDEFORMATIONEARTHQUAKESCONSTRAINTS
英文关键词Zindapir anticlinorium; Structural relief; Thin-skinned; Lateral ramps
语种英语
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000512484400003
来源期刊JOURNAL OF STRUCTURAL GEOLOGY
来源机构中国科学院青藏高原研究所
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/259951
推荐引用方式
GB/T 7714
Jadoon, Saif-Ur-Rehman K.,Ding, Lin,Jadoon, Ishtiaq A. K.,et al. Geometry and development of Zindapir Anticlinorium, Sulaiman Range, Pakistan[J]. 中国科学院青藏高原研究所,2020,131.
APA Jadoon, Saif-Ur-Rehman K.,Ding, Lin,Jadoon, Ishtiaq A. K.,Idrees, Muhammad,&Zaib, Muhammad Owais.(2020).Geometry and development of Zindapir Anticlinorium, Sulaiman Range, Pakistan.JOURNAL OF STRUCTURAL GEOLOGY,131.
MLA Jadoon, Saif-Ur-Rehman K.,et al."Geometry and development of Zindapir Anticlinorium, Sulaiman Range, Pakistan".JOURNAL OF STRUCTURAL GEOLOGY 131(2020).
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