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Major Tectonic Lineaments Influencing the Oilfields of the Zagros Fold-Thrust Belt, SW Iran: Insights from Integration of Surface and Subsurface Data
Journal of Earth Science ( IF 4.1 ) Pub Date : 2020-06-15 , DOI: 10.1007/s12583-020-1303-0
Mohammad Seraj , Ali Faghih , Hossein Motamedi , Bahman Soleimany

The Zagros fold-thrust belt (ZFTB) formed from the progressive collision between the African-Arabian and Eurasian plates. This study focuses on the major tectonic lineaments concerned with the distribution of oilfields in the southern Dezful Embayment as an extremely rich hydrocarbon province in the ZFTB, SW Iran. Integration of surface, near-surface and sub-surface data (e.g., remote sensing, overburden rocks, reservoir and aeromagnetic data) were used for locating major tectonic lineaments in the study area. The results show that the southern Dezful Embayment area was influenced by tectonic lineaments oriented in the NW-SE, NE-SW, E-W and N-S trends, which are possible fault indicators corresponding to surface, shallow subsurface and basement faults. The dominant N-S and E-W tectonic lineaments possibly highlight the stress regime inherited from old structures in the Arabian Shield basement while the NE-SW, NW-SE trends are interpreted as effects of the Zagros orogeny. Generally, these tectonic lineaments influenced both the basement and sedimentary rocks and are used here to divide the belt into several faulted blocks with different structural frameworks. A clear picture of the tectonic trends influencing the Zagros fold-thrust belt oilfields as well as guidance for delineating hydrocarbon reservoirs in the future are presented.

中文翻译:

影响伊朗西南部Zagros褶皱冲断带油田的主要构造线型:从地表和地下数据的整合中获得的见解

Zagros褶皱冲断带(ZFTB)是由非洲阿拉伯板块和欧亚板块之间的逐渐碰撞形成的。这项研究的重点是与伊朗西南部ZFTB极富油气的南部省Dezful Embay南部油田有关的主要构造构造。地表,近地表和地下数据(例如,遥感,覆岩,储层和航磁数据)的整合用于确定研究区域的主要构造构造。结果表明,南部Dezful Embayment地区受到构造向北,南北向,南北向南,西东向和北北向趋势的影响,这可能是与地表,浅层地下和基底断层相对应的断层指示。占主导地位的NS和EW构造构造可能强调了从阿拉伯盾构基底的旧结构继承的应力状态,而NE-SW,NW-SE趋势被解释为Zagros造山作用。通常,这些构造线对基底和沉积岩都产生了影响,并在这里用于将带分成几个具有不同结构框架的断层块。清楚地显示了影响Zagros褶皱-冲断带油田的构造趋势,并为将来描述油气藏提供了指导。这些构造线对基底和沉积岩都产生了影响,在这里被用来将带分成几个具有不同结构框架的断层块。清楚地显示了影响Zagros褶皱-冲断带油田的构造趋势,并为将来描述油气藏提供了指导。这些构造线对基底和沉积岩都产生了影响,在这里被用来将带分成几个具有不同结构框架的断层块。清楚地显示了影响Zagros褶皱-冲断带油田的构造趋势,并为将来描述油气藏提供了指导。
更新日期:2020-06-15
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