Geological evolution of eastern dabie orogen
WebJan 1, 2006 · Comparison of high-temperature thermochronology for the Sulu and Dabie–Hong'an areas suggests that peak ultrahigh-pressure metamorphism in Sulu took place at ca. 230 Ma, postdating Dabie–Hong'an by 10 m.y.; this age disparity has implications for collision-subduction-exhumation models for the entire … WebJul 1, 2016 · Geology Journal of Geophysical Research: Solid Earth The Dabie Orogen is a key part of the Central Orogen of China and is well known because of its exposures to …
Geological evolution of eastern dabie orogen
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WebJul 5, 2024 · Stable isotope geochemistry of ultrahigh pressure metamorphic rocks from the Dabie–Sulu orogen in China: implications for geodynamics and fluid regime. Earth … WebWe infer that the Rushan complex formed in an extensional regime corresponding to the asthenosphere upwelling during gradual erosion and replacement of the cratonic mantle by the fertile lithosphere beneath the eastern North China Craton. Keywords gabbro-dioritezircon U–Pb agesgeochemistrypetrogenesisnorthern Sulu orogen Type Original …
WebThe geologic framework and tectonic evolution of the Qinling orogen has been well investigated (e.g. Zhang et al., 1995; Meng and Zhang, 1999,200O). In order to understand the tectonics of the Dabie orogen better, we will compare the geological units in the Dabie orogen with those in the
WebJul 1, 2016 · Geology Journal of Geophysical Research: Solid Earth The Dabie Orogen is a key part of the Central Orogen of China and is well known because of its exposures to high‐ and ultrahigh‐pressure metamorphic rocks. WebThe paleotopography reconstruction of orogen has an important research value on the study of mountain building and the study of orogen’s regional control over the paleoclimate change. Considering the Dabie orogen’s regional difference in exhumation, this article models the post-orogenic exhumation rates and the relief evolution rates by low …
WebJul 30, 2013 · To understand post-orogenic uplift history and mechanism of the Dabie orogenic belt, many samples of granite, granodiorite, diorite, and alkali feldspar granite with precise zircon U-Pb ages were collected for electron microprobe analysis of hornblende. Emplacement pressure values were then calculated by using an Al-in-hornblende …
WebApr 1, 1998 · Abstract The collision of the Sino-Korean and Yangtze blocks to form a significant part of China is recorded in the Qinling, Tongbai, and Dabie Mountains. … the potters burgess hillWebGeological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada ... Junfeng Zhang, Anatexis witnessed post-collisional evolution of the Dabie orogen, China, Journal of Asian Earth Sciences, 10.1016/j.jseaes.2024.04 ... northern margin of the Dabie Orogen, Eastern China, International Geology Review, 10.1080/00206814.2024.1363005, (1 ... siemens safety switches catalogWebApr 10, 2024 · The Qinling-Dabie Orogen initially formed during the closure of the Proto-Tethyan Ocean and finally due to the closure of the Paleo-Tethyan oceans and the early … siemens safety switches pdfWebAug 23, 2024 · In our previous study on petrogenesis of quartz syenite and granite porphyry, the host rocks of the Late Mesozoic Shapinggou Mo deposit in the Qinling–Dabie orogenic belt, we found that the initial Sr isotopic composition of the host rocks is strongly affected by the degree of K-alteration. Here, we provide further isotopic evidence of the host rocks … the potter school gp7WebMesozoic Unroofing History of the Dabie Orogen, Eastern China: Evidence from Detrital Zircon Geochronology of Sediments in the Hefei Basin The Journal of Geology: Vol … siemens safety switcheshttp://staff.ustc.edu.cn/~fhuang/publications/2001/200101.pdf the potter school studentWeblater than the rapid exhumation of the ultrahigh-pressure metamorphic rocks and their country rocks in the eastern part of the Qinling-Dabie orogen, suggesting a close relationship between the ... siemens safety switch spec sheets