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<正>1 Introduction Many high yield shale gas areas in the World are discovered carbon isotope reversals:Barnett,Fayetteville(Zumberge et al.,2012),Marcellus(Tilley et al.,2013),Haynesville(Ferworn et al.,2008),Albany shale gas(Gao et al.,2014),Utica shale gas(Xia et al.,1999;Xia et al.,2012;Xia et al.,2013),the Foothills(Tilley et al.,2011), 相似文献
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YIN Xiulan Institute of Geomechanics Chinese Academy of Geological Sciences Beijing China LI Sitian China University of Geosciences Wuhan China YANG Jihai ZHANG Qiming China Offshore Oil Nahai Weast Corp. Zhangjiang China 《Continental Dynamics》2000,(1)
1. Introduction In recent years, growing attention has been focused on diapirs because of their significance to hydrocarbon accumulation in basins (Barber & Brown, 1988; Martin Hovland et al., 1989; Law et al., 1989; Collier et al., 1990; Lewis et al., 1994; Carmelo Monaco et al., 1996; Hieke et al., 1996; Hieke et al., 1996; Lewis et al., 1996; Limonov et al., 1996; Gallardo & Blackwell, 1999). With more and more effort devoted to the studies of the northern continental marginal basins … 相似文献
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<正>The podiform chromitites in the Luobusa ophiolite,Southern Tibet,have received much attention because of the presence of ultrahigh-pressure minerals,such as microdiamonds(Bai et al.,1993;Yang et al.,2007;Xu et al.,2009),coesite(Yang et al.,2007)and highly reduced metal phases(Bai et al.,2000;Robinson et al.,2004).The 相似文献
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CHEN Bin LIU Shuwen WANG Rui CHEN Zhichao LIU Chaoqun Key Laboratory of Orogenic Belts Crustal Evolution MOE School of Earth Space Sciences Peking University Beijing 《《地质学报》英文版》2006,80(6)
1 Introduction The tectono-thermal evolution of the North China Craton (NCC) in Late Archean to Paleoproterozoic times has long been attractive to many researchers (Wan et al., 2000; Zhao et al., 2000, 2002; Guo et al., 2001; Liu et al., 2002; Zhai and Liu 2003; Zhai, 2004; Yu et al., 2004; Kr?ner et al., 2005; Wilde et al., 2005). Zhao et al. (2000, 2002) proposed a tectono-thermo framework for the evolution of the NCCbased on detailed petrological and geochronological data, and they … 相似文献
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《矿物学报》2013,(Z2)
<正>目前,对于斑岩铜矿的研究主要集中于探讨温度区间为200800℃范围内矿床的成因问题,例如岩体形成时代及顺序、矿化和热液蚀变时代以及热液活动时限等(Barra et al.,2002;Masterman et al.,2004;Deckart et al.,2005;Pollard et al.,2005;Campbell et al.,2006;Mao et al.,2006;Baumgartner et al.,2009;Redmond and Einaudi,2010;Sillitoe and Mortensen,2010;Vry et al.,2010;Shen et al.,2012;Zhu et al.,2012)。虽然这些问题很重要,但是仍然不足以全面的认识和 相似文献
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Zircon SHRIMP Dating for the Weiya Pluton, Eastern Tianshan: Its Geological Implications 总被引:18,自引:4,他引:18
ZHANG Zunzhong GU Lianxing WU Changzhi LI Weiqiang XI Aihua WANG Shuo State Key Laboratory of Mineral Deposit Research 《《地质学报》英文版》2005,79(4):481-490
1 Introduction Voluminous literature has resulted from study of the geology and tectonic evironments of post-orogenic granitoids in eastern Tianshan (He et al., 1995; Han et al., 1997; Gu et al., 1999, 2001; Li et al., 2003; Chen et al., 2004). Previous contributions (Hu et al., 1997; Li et al., 2003) indicate that major events of continental collision in northern Xinjiang occurred around 300 Ma. Then, the tectonics converted from compression to extension, resulting in the uplifting of th… 相似文献
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褐帘石是绿帘石族矿物,是轻稀土(LREE)和Th等元素的重要载体矿物(Exeley,1980;Brooks et al.,1981;Gromet and Silver,1983;Tribuzio et al.,1996;Hermann,2002),并且常控制俯冲带流体的LREE和Th的含量以及影响着岩石中微量元素的演化(如Hermann,2002). 相似文献
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Environmental Assessments of Trace Metals in Sediments from Dongting Lake, Central China 总被引:1,自引:0,他引:1
INTRODUCTIONFresh water lakes are one of the planet’s mosti mportant freshwater resources.They support life invarious forms,develop tourism and provide uniquerecreational opportunities.It is also a good source ofthe provision of drinking-water for local communi-ties.Studies on trace elements in rivers,lakes,andsedi ments(Zhou et al.,2004;Gray et al.,2000;Grosheva et al.,2000;Klavins et al.,2000;Aucoinet al.,1999;Bortoli et al.,1998;Elbaz-Poulichet etal.,1996;Johansson et al.,1995;F r… 相似文献
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正1 Introduction Vegetation indices (VIs) derived from satellite observations are an essential source of information for operational monitoring of the Earth's vegetation (Qu et al.,2018;Yan et al.,2008).However,soil background dramatically affects the performances ofⅥs (Baret and Guyot,1991;Gilabert et al.,2002;Huete,1988;Qi et al.,1994).So soil-adjustedⅥs (Baret and Guyot,1991;Gilabert et al.,2002;Huete,1988;Qi et al.,1994) are 相似文献
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Several thrust faults have been mapped in theYanshan belt ,as the thrust structure was first iden-tified by Wong (1928) (Ji et al .,2005 ; Wang et al .,2005a ;Davis et al .,2001 ,1998 ; Yang et al .,2001 ;Zheng et al ., 2000 ; Chen, 1998 ; Zhang et al .,1986 ; He ,1957 ;Chern and Hsiung,1935) .Becausethe Archean basement was widely involved in thethrust systemof the Yanshan belt ,domestic popularrecognition emphasized the thick-skinned characteris-tics and li mited horizontal displacement… 相似文献
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The First Discovery of a Large Sandstone-type Uranium Deposit in Aeolian Depositional Environment 总被引:1,自引:0,他引:1
MIAO Peisen JIN Ruoshi LI Jianguo ZHAO Hualei CHEN Lulu CHEN Yin SI Qinghong 《《地质学报》英文版》2020,94(2):583-584
正The exploration depth of sandstone-type uranium deposits worldwide is mostly less than 700 m, and most of them occur in strata of fluvial facies(Adams et al., 1981; Jin et al., 2016; Hou et al., 2017). Only a few small uranium deposits have been reported in aeolian depositional environments(Isachsen et al., 1955; Li et al., 相似文献
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<正>1.Introduction The continental crust,covering nearly a third of the Earth's surface,is dominantly made up of granites and granodiorites(Rudnick and Gao, 2003).Although the vast majority of these granitoids are amphiboleand /or biotite-bearing,orthopyroxene-bearing granitoids form a minor but important component of the lower continental crust in many high-grade terrains(e.g.,Bohlender et al.,1992;Kilpatrick and Ellis,1992;Sheraton et al.,1992;Berger et al.,1995;Zhou et al., 1995;Peucat et al.,1996;Duchesne and Wilmart,1997;Hughes et al.,1997;Prame.1997;Frost et al.,2000;Janasi,2002;Mendes 相似文献
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1 Introduction According to recent researches, the North China Craton consists of three parts: the eastern block, western block and central zone (Zhao, 2001; Wilde et al., 2002). Paleoarchean continental blocks and zircon residuals have only been found in a few regions, such as Anshan, East Liaoning (Liu et al., 1992; Song et al., 1996; Wan et al., 2002, 2005), Caozhuang, East Hebei (Liu et al., 1992) and Xinyang, West Henan (Zheng et al., 2004), which are mainly distributed in the east… 相似文献