RHYOLITES

作品数：7被引量：28H指数：3
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Petrogenesis and tectonic implications of the Triassic rhyolites in the East Kunlun Orogenic Belt, northern Tibetan Plateau被引量：5
《Geoscience Frontiers》2021年第6期147-161,共15页Fengli Shao Yaoling Niu Juanjuan Kong Yi Liu Guodong Wang Yu Zhang 
This work was mainly supported by National Natural Science Foundation of China(NNSF,Grant No.41803028);Natural Science Foundation of Shandong Province(NSFSP,Grant No.ZR2018BD020)to Fengli Shao;Grant Nos.41802201,41630968 and 41688103 from NNSF;Grant Nos.ZR2018BD012 and ZR2020QD044 from NSFSP;Grant No.2019RZA02002 from soft science project of Shandong Province Key Research and Development Plan。
The East Kunlun Orogenic Belt(EKOB),which is in the northern part of the Greater Tibetan Plateau,contains voluminous Late Triassic intermediate-felsic volcanic rocks.In the east end of the EKOB,we identified highly di...
关键词：East Kunlun Tibetan Plateau Peralkaline rhyolites Elashan formation 
Rhyolites in continental mafic Large Igneous Provinces: Petrology,geochemistry and petrogenesis被引量：1
《Geoscience Frontiers》2021年第1期53-80,共28页Mahesh Halder Debajyoti Paul Sarajit Sensarma 
We present a detailed review of the petrological and geochemical aspects of rhyolite and associated silicic volcanic rocks(up to 20 vol%of all rocks)reported to date from twelve well known Phanerozoic continental mafi...
关键词：Large Igneous Province Silicic rock RHYOLITE GEOCHEMISTRY PETROGENESIS AFC 
Lajishan Ayishan Formation Rhyolites: Implications for the Closure Time of the Proto-Tethys Ocean
《Acta Geologica Sinica(English Edition)》2020年第S01期55-56,共2页SUN Yi NIU Manlan LI Xiucai 
granted by the National Natural Science Foundation of China(Grant Nos.41272221,41772228,41702239);the Geological Survey Program of China(Grant Nos.1212011120159,DD20160201-04)
The Qilian orogenic belt,as an important component of the central orogenic system,can be divided into three tectonic units from north to south:the North Qilian tectonic belt,the Central Qilian tectonic belt and the So...
关键词：Lajishan RHYOLITE Proto-Tethys Ocean South Qilian 
Petrology of Metaluminous A-Type Rhyolite Discovered from Hadjer el Hamis Volcanoes (Lake Chad Basin)
《Open Journal of Geology》2018年第9期883-895,共13页Claudial Amane Lagmet Fadimatou Ngounouno Yamgouot Mama Ntoumbe Abdou Aziz Youpougam Ismaila Ngounouno 
Metaluminous (P.I. > 1) rhyolite from Hadjer el Hamis consisted of quartz, alkali feldspar, clinopyroxene (hedenbergite), amphibole (F-arfvedsonite) and oxides-hydroxides (ilmenite, magnetite, limonite) phenocrysts is...
关键词：METALUMINOUS RHYOLITES Lake Chad PETROLOGY Hadjer el Hamis 
Geochemistry,petrogenesis and tectonic implication of Early Cretaceous A-type rhyolites in Hailar Basin,NE China
《Global Geology》2018年第2期77-90,共14页ZHENG Han SUN Xiaomeng 
Supported by National Basic Research Program of China(No.2009CB219305)
Early Cretaceous A-type rhyolites of the Shangkuli Formation in the Hailar Basin of NE China exhibit geochemical characteristics of high silicon,alkali,Fe/Mg,Ga/Al,Zr,Pb,HFSEs,and REE contents but low Ca,Ba,Sr and Eu,...
关键词：A-TYPE RHYOLITES Hailar BASIN Early Cretaceous PETROGENESIS LITHOSPHERIC extension 
Geochemistry,Zircon U-Pb Age and Hf Isotopic Constraints on the Petrogenesis of the Silurian Rhyolites in the Loei Fold Belt and Their Tectonic Implications被引量：8
《Journal of Earth Science》2016年第3期391-402,共12页Tianyu Zhao Xin Qian Qinglai Feng 
supported by the NSFC(Nos.41172202 and 41190073);the China Geological Survey(No.1212011121256);the Ministry of Education of China(No.20110145130001);the State Key Laboratory of Geological Processes and Mineral Resources,China University of Geosciences in Wuhan(No.MSFGPMR201402)
Zircon U-Pb dating, Lu-Hf isotopic and geochemical data for the Silurian rhyolites from the Loei fold belt are presented to constrain their petrogenesis and tectonic settings. The rhyolites give a weighted mean 206Pb/...
关键词：I-type rhyolite zircon U-Pb dating Hf isotopic composition geochemical characteristics Loei fold belt Indochina Block 
Origin of middle Miocene leucogranites and rhyolites on the Tibetan Plateau: Constraints on the timing of crustal thickening and uplift of its northern boundary被引量：14
《Chinese Science Bulletin》2012年第5期511-524,共14页ZHANG LiYun DING Lin YANG Di XU Qiang CAI FuLong LIU DeLiang 
supported by the Knowledge Innovation Program of the Chinese Academy of Sciences (KZCX2-YW-Q09-03);the National Natural Science Foundation for Distinguished Young Scholars (40625008);the National Basic Research Program of China (2011CB403101)
Leucogranites 玩在理解外壳的变厚的一个重要角色，融化在大陆人 collisional 带，和高原以内高举。地调查证明来自霍·克西尔·莱克区域的中新世的火的岩石主要由二云母的 leucogranites 和流纹岩组成。我们学习了由锆石 U-Pb，白云母...
关键词：淡色花岗岩 时间约束 地壳增厚 青藏高原 中中新世 流纹岩 自然科学基金会 边界 
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