نتایج جستجو برای: himalayan orogenic belt

تعداد نتایج: 22156  

Ghadami, , Khiabani Moghadam, , Poosti, ,

The study area known as ‘Chahar-Dahaneh’ is part of the Iranian southeast ophiolites related to Alpian-Himalayan Mesozoic orogeny belt, and is located in the western margin of the Makran subduction zone. Chahar Dahaneh peridotite section consists of three major lithologies including: 1.dunite lenses 2. harzburgites and 3. Lherzolite. Based on electron microprobe analysis ,we estimated pressure ...

Journal: :Tectonics 2022

Between 81°30ʹE and 83°E, the Himalayan range's “perfect” arcuate shape is interrupted by an embayment. We hypothesize that thrust geometry duplexing along megathrust at midlower-crustal depths play a leading role in growth of embayment as well southern margin Tibetan plateau. To test this hypothesis, we conducted thermokinematic modeling published thermochronologic data from topographic struct...

Journal: :Minerals 2022

The Alxa Block is located in the middle part of Central Asian orogenic belt, which coupling belt North China, Tarim, and Kazakhstan Plates. east–west-trending deep faults control stratigraphic distribution magmatic activity region. To detect EW-trending ore-controlling structures, a 440 km NS section magnetotelluric sounding was conducted from Minle to Ejinaqi. phase tensor electrical principal...

Journal: :Journal of Geodynamics 2021

The Encruzilhada Block lies between the eastern hinterland and western foreland of Dom Feliciano Belt (southern Brazil) its tectonic meaning in orogenic evolution belt is still poorly understood. Its low magnetic signal similar to that supracrustal sequences, whereas high gammaspectrometric appears due post-collisional granitoids. Satellite image lineament analysis points similarities foreland,...

Journal: :journal of sciences, islamic republic of iran 2012
j. izadyar

late neoproterozoic-early cambrian schists have been occurred in southwest of zanjan city from the soltanieh belt. the soltanieh belt in northwest of iran is uplifted basement of precambrian-paleozoic in main central iran zone and includes outcrops of precambrian, paleozoic and mesozoic formations. late neoproterozoic-early cambrian schists, the oldest stratigraphy unit in the region, consist o...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1387

چکیده ندارد.

Journal: :Minerals 2023

Accretionary and collisional orogeny are often accompanied by the disturbance of geothermal gradient, leading to high-temperature metamorphism. High-temperature metamorphic rocks significant in their ability help reconstruction thermal histories orogenic belts. The Tianshan Orogenic Belt, at southwest margin Central Asian is a record long-term subduction–collision–post-collision process that ha...

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