نتایج جستجو برای: orogenic belt

تعداد نتایج: 18517  

Journal: :Minerals 2022

The Wulonggou Gold Field is one of the giant gold fields in East Kunlun Orogenic Belt, northwestern China. Previous studies mainly focused on elementary mineral isotopic studies, fluid inclusions, and geological features Field. In this study, we report some research precise age specific ore-forming process WGF: hydrothermal monazite U–Pb ages; way precipitation; composition, evolution, source f...

Journal: :Basin Research 2022

Sediment accumulation rates in foreland basins result from a complex interplay between surface and deep processes both the exhumed relief domain sedimentary basins. The growth decay of mountain belt during orogenic post-orogenic phases have been largely studied, thanks to thermochronological structural studies. response preserved sediments surrounding is well known terms filling patterns archit...

2011
J. B. Barnes N. McQuarrie P. B. O'Sullivan

Quantifying the erosional and kinematic evolution of orogenic plateaus has been limited by insufficient age constraints on their deformation and erosion histories. Palinspastic restorations suggest the central Andean fold-thrust belt and plateau evolved concurrently in Bolivia. We present an analysis that synthesizes 19 new and 32 previous apatite and zircon fission-track and (U–Th)/He mineral ...

Journal: :Earth-Science Reviews 2022

Highlighting how crustal shortening is accommodated in space and time fold-thrust belts a major issue for understanding the long-term tectonic evolution of orogenic systems. In this study, we combine surface subsurface data to build 150 km-long sequentially restored balanced cross-section across two superimposed foreland southeastern France: upper Cretaceous-Eocene Provençal belt Oligocene-Neog...

Journal: :journal of tethys 0

salafchegan-khorhe volcanic rocks are exposed within urumieh-dokhtar magmatic belt. different kinds of volcanic and subvolcanic rocks of calc-alkaline to alkaline character have been reported throughout this magmatic belt. since, isotopic investigations are very useful for detection of magma petrogenesis and because no isotopic studies have been done in this area, so a geochemical and isotopic ...

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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