共查询到20条相似文献,搜索用时 15 毫秒
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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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前人对新元古代镁铁质岩墙的研究对于重建Rodinia超大陆的裂解在澳大利亚和华南中的表现起到至关重要的作用(Wingate et al.,1998,2000;Li Z X et al.,1999;Li X H et al.,2006b). 相似文献
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《地球科学》2016,(12)
正黄陵穹窿位于华南扬子克拉通核部地区,出露有华南前南华纪最古老、面积最大的太古宙-古元古代崆岭杂岩(崆岭岩群)(高山和张本仁,1990;马大铨等,1997;Gao et al.,1999,2011;Qiu et al.,2000;Zhang et al.,2006;Zheng et al.,2006;Jiao et al.,2009;Guo et al.,2014),受后期新元古代黄陵花岗杂岩体侵入影响,大体以雾渡河大断裂为界分隔为南、北部两部分(也称为南、北崆岭群),是扬子克拉通前南华纪基底最具代表性的岩石记录,一直受国内外地质学界的高度关注,但对其大地 相似文献
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《矿物学报》2015,(Z1)
<正>Melt inclusions in primitive olivine phenocrysts,which has been thought to represent the primitive melts(Schiano,2003),have increasingly been applied to studies of igneous processes(Audétat and Lowenstern,2014;Kent,2008),including lunar magmatism(Chen et al.,2015;Hauri et al.,2011;Saal et al.,2013).However,some melt inclusions in primitive olivine phenocrysts in various tectonic settings,showing 相似文献
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华北克拉通北邻中亚造山带,南接秦岭-大别-苏鲁造山带.它通常被认为是约18亿年固结形成的陆块.其基底的形成与演化,一直受到广泛关注(Zhao et al.,1998,2000,2005;Zhai et al.,2000,2005;Wilde et al.,2002,2005;Guo et al.,2005;Kroner et al.,2005,2006;Lu et al.,2008).大多数研究者都注重于华北克拉通内部、北部和东西陆块结合带(中间带),较少关注东南缘基底的形成与演化研究. 相似文献
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正黄陵穹窿位于华南扬子克拉通核部地区(彭松柏等,2016),地处兴山县高岚镇、水月寺镇-宜昌市夷陵区殷家坪镇和雾渡河镇一带,出露有太古宙-元古代崆岭杂岩(崆岭岩群)(魏君奇等,2009;魏君奇和王建雄,2012),亦称崆岭高级变质地体,是目前扬子克拉通已知出露最广、时代最老的基底岩系(高山和张本仁,1990;Qiu et al.,2000;高山等,2001;Zhang et al.,2006a;焦文放等,2009;魏君奇和王建雄,2012;Guo et al.,2014;胡蓉等,2016),能够精 相似文献
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DAI Shuang QIANG Lei TIAN Chao XI Haiyu LUO Junhu LI Rongxi LIANG Jiwei WANG Weiguo LI Guoshan 《《地质学报》英文版》2019,93(Z1):98-101
正The Ordovician (485.4 Ma-443.8Ma) is the longest period of the Paleozoic,which was characterized by a peak of greenhouse climate in Earth history,as well as extreme high sea level (Haq and Schutter,2008;Munnecke et al.,2010),with warm and humid conditions in early-middle period and seawater temperature up to 45℃(Trotter et al.,2008).The carbon cycle fluctuated greatly (Melchin et al.,2013;Cramer et al.,2015) and 相似文献
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《吉林大学学报(地球科学版)》2015,(Z1)
<正>大陆俯冲带中高压-超高压榴辉岩及相关岩石的峰期及之后的变质温度确定是了解其岩石成因和演化的关键。然而,这些高级变质岩石由于常常形成于极端条件下(如超高温变质作用)而给温度估算带来巨大挑战。因为900℃的变质温度已明显高于大多数传统矿物对温度计的阳离子交换封闭温度(Baldwin et al.,2007),峰期变质温度的准确估计常受到退变质作用和冷却过程中矿物再平衡或重结晶的明显影响(Harley et al.,2008;Kooijman et al.,2012;Liu et al.,2015)。因此,目前流行的微量元素 相似文献
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处于扬子板块东北缘的苏鲁造山带出露的基底岩石主要是各类片麻岩,其中花岗质片麻岩约占80%以上,它们普遍遭受了强烈的角闪岩相退变质作用改造(刘福来等,2004).资料表明,这些岩石原岩的年龄主要集中在700~800 Ma(Li S G et al.,1993;刘福来等,2003,2004;Zheng Y F et al.,2003,2004),峰期年龄约750 Ma(Zheng Y F et al.,2003). 相似文献
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<正>Continental reconstructions in Central Asia are represented by orogenesis along some large orogenic belts in the Altaid collage(Fig.1)or Central Asian Orogenic Belt(CAOB),which separate the East European and Siberian cratons to the north from the Tarim and North China cratons to the south(Sengor et al.,1993;Jahn et al.,2004;Windley et al.,2007;Qu et al.,2008; 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