نتایج جستجو برای: fold belt

تعداد نتایج: 158434  

Journal: :International Journal of Economic and Environmental Geology 2019

Journal: :The Journal of the Geological Society of Japan 2000

Journal: :Sindh University research journal 2022

In this paper, different applications of stereographic projections are utilized for the structural analysis Ranikot anticline. Structural data anticline from Southern Kirthar Fold Belt Pakistan is used to construct diagrams such as beta-diagrams, pi-diagrams and contour diagrams. These visualize inter-limb angle, plunge trend fold axis, dip strike axial surface, symmetry, vergence principle str...

2017
C L. Fergusson Solomon Buckman Jonathan C. Aitchison C. L. Fergusson

In regard to the tectonic history of the Lachlan Fold Belt, Aitchison and Buckman (2012) argued that "numerous aspects of the observed geology appear to be incompatible with the existing model" and that an "alternative model envisages arc-continent collision events (quantum tectonics) as a primary means of largescale continental growth". My purpose is to challenge these arguments and to questio...

Ali Faghih Mahnaz Rezaian Mohammad Ebrahimi Rasoul Esmaeili

Understanding the folding style of a fold-thrust belt is crucial to understand the nature and structural history of structures that may trap natural resources within the belt. In this research, the geometry and mechanism of a number of fault-related folds has been investigated based on field data and satellite image interpretations. The main study areas are: the Sohrevard and Ushtaniyan anticli...

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...

Journal: :فیزیک زمین و فضا 0
سید محمود اظهری دانشجوی دکتری زلزله شناسی، گروه فیزیک زمین، موسسه ژئوفیزیک دانشگاه تهران، ایران مهدی رضاپور دانشیار، گروه فیزیک زمین، موسسه ژئوفیزیک دانشگاه تهران، ایران مصطفی جوان مهری کارشناس ارشد زلزله شناسی، گروه فیزیک زمین، موسسه ژئوفیزیک دانشگاه تهران، ایران

iran is located between two lithospheric plates (euroasia, arabian) and these two plates converge toward each other with a velocity of 25 mm/yr rate. shortening that produced from this convergence with makran subductin shows faulting and folding in zagros orogenic belt, alborz and kopedagh in north and sliding in sum strike slip faults with north-south trend in central iran. the nw-se trending ...

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...

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