نتایج جستجو برای: zagros orogenic belt

تعداد نتایج: 19712  

Journal: :Geological Magazine 2021

Abstract New detrital U–Pb zircon ages from the Sanandaj–Sirjan metamorphic zone in Zagros orogenic belt allow discussion of models late Neoproterozoic to early Palaeozoic plate tectonic evolution and position Iranian microcontinent within a global framework. A total 194 valid age values 362 grains were obtained three garnet-micaschist samples. The most abundant population included Ediacaran ag...

2014
A.V.M. Miller G. A. Partington

Prospectivity modelling has been completed over the Lachlan Fold Belt, New South Wales, Australia, using the GIS based weights of evidence modelling technique to target porphyry Cu-Au, associated skarn Cu-Au, orogenic Au and VMS Au mineralisation. The Lachlan Fold Belt is a 700 km wide belt of Paleozoic accretionary terrains, stretching from Queensland to Tasmania. Porphyry and skarn mineralisa...

Journal: :فیزیک زمین و فضا 0
رضا حیدری دانشگاه آزاد اسلامی- واحد علوم و تحقیقات، دانشجوی دکتری نوربخش میرزایی مؤسسه ژئوفیزیک دانشگاه تهران، دانشیار

the zagros fold- thrust belt as a part of alpine- himalayan orogenic belt, is one of the most active continental collision zones on the earth, which extends from the tarus mountains in south eastern turkey to the minab fault in the east of the strait of hormoz in southern iran. structurally, its formation is related to the continuing convergent movement between the arabian plate to the southwes...

2002
Sean D. Willett Mark T. Brandon

The dynamic system of tectonics and erosion contains important feedback mechanisms such that orogenic systems tend toward a steady state. This concept is often invoked, but the nature of the steady state is commonly not specified. We identify four types of steady state that characterize the orogenic system and illustrate these cases by using numerical-model results and natural examples. These t...

2006
Shengbiao Hu Asaf Raza Kyoungwon Min Barry P. Kohn Peter W. Reiners Richard A. Ketcham Jiyang Wang Andrew J. W. Gleadow

, Earth Sci. Frontiers, 12(2), 247–262.Xu, C., Z. Zhou, P. Van Den Haute, R. A. Donelick,J. De Grave, M. A. Changqian, and P. W. Reiners (2005), Apatite fission track geochronology and itstectonic correlation in the Dabieshan orogen,central China, Sci. China, Ser. D, 48, 506–520.Xue, F., A. Kröner, T. Reischmann, and F. Lerch(1996a), Palaeozoic preand post-collision calc...

Journal: Journal of Tethys 2017

The origin and geodynamic setting of the Maden Complex, which is situated in the Bitlis–Zagros Suture Zone in the Southeast Anatolian Orogenic Belt, is still controversial due to lack of systematic geological and geochemical data. Here we present new whole rock major–trace–rare earth element data from the Middle Eocene volcanic rocks exposed in Maden Complex and discuss their origin in the ligh...

Journal: :Tectonics 2021

A common deviation from typical subduction models occurs when thrust sheets of oceanic crust and upper-mantle rocks are emplaced over more buoyant continental lithosphere. The archetypal example ophiolite obduction is the Semail in United Arab Emirates (UAE)-Oman orogenic belt, formed obducted onto Arabian margin during Late Cretaceous. Strait Hormuz syntaxis, northern extent UAE-Oman mountains...

Journal: :Tectonics 2021

The configuration and timing of the Arabia-Eurasia continental collision, part broader Alpine-Himalayan collisional system, remains controversial. We conducted sandstone petrology, detrital zircon U-Pb-Hf isotopic trace element analysis, Cr-spinel electron microprobe geochemical analysis samples from Paleocene to Miocene peripheral foreland strata in interior Fars, southern Iran. These data wer...

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