نتایج جستجو برای: transpression tectonic

تعداد نتایج: 10320  

Journal: :Minerals 2022

This research assessed stress regimes and fields in eastern Iran using fault-slip data the tectonic events associated with these changes. Our analysis of brittle structures Shekarab Mountains revealed significant changes from late Cretaceous to Quaternary. Reconstructing age sense fault movements showed that during Cretaceous, direction maximum horizontal axes (?1) under a compressional regime ...

2018
Laurent Jolivet Kensaku Tamaki Marc Fournier

The respective tectonic effects of back arc spreading and continental collision in Asia are considered either as two independent processes or as closely interrelated. Extrusion tectonics assumes that the opening of the South China Sea and the left-lateral motion along the Red River fault are geometrically linked in a pull-apart manner. This model is not accepted by several workers because the s...

Journal: :Journal of Asian Earth Sciences 2022

The transition along the strike of Sunda subduction zone, from oceanic in west to continental Australian lithosphere east is envisioned as one canonical examples structural changes that take place within an overriding plate when a wedge enters zone. Yet, along-strike offset trench toward margin represents response opposite predictions numerical models. To understand this paradox, we analyse mor...

ژورنال: :پژوهش های دانش زمین 0
انیس السادات خلیفه سلطانی دانشگاه شهید بهشتی سید احمد علوی دانشگاه شهید بهشتی محمد رضا قاسمی پژوهشکده علوم زمین، سازمان زمین شناسی و اکتشافات معدنی کشور

با توجه به لرزه خیزی ایران و اهمیت زمین ساخت فعال، در ارزیابی مخاطرات طبیعی، و مدیریت مناطق پر جمعیت شهری، مطالعات ریخت سنجی جهت تعیین فعالیت زمین ساختی نسبی ضرورت دارد. گستره مورد مطالعه در جنوب باختری شهرستان لنجان قرار دارد، و از نظر زمین ساختی در پهنه سنندج– سیرجان واقع گردیده است. در این پژوهش حوضه آبریز گستره مورد مطالعه، به سه بخش a، b و c تقسیم شده، و هر بخش نیز، در جایگاه خود به چندین ...

Journal: :journal of sciences, islamic republic of iran 2010
k sarkarinejad

deformation pattern of the northeastern part of the iranian-arabian collision zone (i.e., mainly sanandaj-sirjan belt or zone) is the main concern of this paper. here, we investigate the stress distribution and displacement pattern of eghlid-deh bid area as affected by the position of zagros suture using a three dimensional mechanical model. the modeled area is located between the zagros thrust...

Journal: :Frontiers in Earth Science 2022

Regional-scale fault systems are important in adjusting intracontinental deformation. Closure of the Paleo-Tethys, Paleo-Pacific subduction, and India-continent-continent collision have all interacted to shape Meso-Cenozoic tectonics South China. The Ziyun-Luodian (ZLF) straddles across Guizhou region southwestern New petrographic structural studies were conducted reveal evolution ZLF regional ...

1997
Andrés Maldonado Luı́s Somoza Lorenzo Pallarés

The study of the Gulf of Cadiz on the basis of multichannel seismic profiles and wells illustrates the stratigraphy and tectonics. The evolution of the southern Iberian margins was more complex than in most North Atlantic margins since it entailed several phases of rifting, convergence and strike-slip motions. Three main tectonic provinces surround the internal zones of the Gibraltar Arc orogen...

Journal: :Tectonics 2023

The Owen Transform Fault (OTF) connecting the Sheba and Carlsberg spreading ridges in Indian Ocean currently forms active plate boundary between India Somalia plates. This 330-km-long transform fault is by far longest along India-Somalia its valley buried under thick distal turbidites of Indus Fan with total thickness ranging from 1000 to > 5000m. A new set seismic reflection multibeam bathymet...

K Sarkarinejad

Deformation pattern of the northeastern part of the Iranian-Arabian collision zone (i.e., mainly Sanandaj-Sirjan Belt or Zone) is the main concern of this paper. Here, we investigate the stress distribution and displacement pattern of Eghlid-Deh Bid area as affected by the position of Zagros suture using a three dimensional mechanical model. The modeled area is located between the Zagros Thrust...

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