共查询到20条相似文献,搜索用时 15 毫秒
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《Scientia Geologica Sinica》1998,(3)
1.IntroductionEarlyinthe1960sChinesegeologistspresentedaconceptionsimilarto“oilformingsystem”anduseditinoilgas(afterHuChaoy... 相似文献
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《Scientia Geologica Sinica》1998,(3)
1.IntroductionTheGubeiswaleliesintheYelowRiverentranceofDongying,ShangdongProvince,borderingontheBohaiBayandisasecondarynegat... 相似文献
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《Scientia Geologica Sinica》1998,(3)
1.IntroductionThenorthzoneoftheDongyingdepressionreferstoanarowareanorthofthecentralupliftzoneofthedepresionandsouthoftheBinx... 相似文献
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《Scientia Geologica Sinica》1998,(3)
1.IntroductionAsoneofthesixmajorelementsofoilgasformingpools,coversplayedanimportantroleinoilgasformingpoolsandsequentlongg... 相似文献
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《Scientia Geologica Sinica》1998,(3)
1.IntroductionGudaooilfieldlocatesinHekoudistrictofDongyingcity,Shandongprovince,whichliesonalargescaledrapestructuralbeltof... 相似文献
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《Scientia Geologica Sinica》1998,(3)
1.IntroductionBydetailedanalysisabouttensofbasins,weputforwardthatriftlakebasinsexistnotonlytypicalextensionalstructuralpater... 相似文献
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《Scientia Geologica Sinica》1998,(3)
1.IntroductionTheverticalupwardmigrationofthehydrocarboninthereservoirisnamedas“chimneyefect”.Infact,therearenonhydrocarboni... 相似文献
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多数被描述的现代弧后盆地的经典例子,诞生于最引人注目的环西太平洋大陆边缘的弧盆体系。而古代的弧后盆地则多幸存于碰撞造山带中,如东特斯构造域内的义敦弧后盆地。目前普遍认为大多数的弧后盆地是与俯冲作用有关的弧后扩张作用形成的。弧后盆地火山沉积特征主要为:物源具双向性,一是大陆物源区;二是岛弧或扩张中心火山活动处。沉积类型复杂多样,靠近大陆一侧多半发育浅水碎屑岩和碳酸盐岩沉积;岛弧侧发育大量的火山碎屑岩与火山熔岩,并与碎屑流、浊积沉积和深水相沉积共生,沉积作用方式多,沉积速率较高等。沉积序列上具有下粗上细的双层结构特征 相似文献
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《Scientia Geologica Sinica》1998,(3)
1.IntroductionThefourisotopesofstrontium(88Sr,87Sr,86Sr,84Sr)arealstableonesandtheirabundanceare82.53%,7.04%,9.87%,0.56%respe... 相似文献
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Studyon RheniumOsmium Isotope Systemby Inductively Coupled Plasma Mas Spectrometry and Its Applicat
《岩矿测试》1996,(4)
采用同位素稀释等离子体质谱铼锇同位素测年法,测定了中国的几个钼矿床和铜镍硫化物矿床成矿年龄。Re和187Os的空白值分别为70和10pg,年龄测定精度(2σ)在3%左右。关键词铼锇同位素测年法铜镍硫化物矿床钼矿床 相似文献
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WANG Yu Institute of Geology China Seismological Bureau Beijing China YANG Tiannan Institute of Geology Chinese Academy of Geological Sciences Beijing China 《Continental Dynamics》1999,(1)
1.IntroductionFig.1. TectonicpositionoftheDabieorogenicbeltandTanLufaultineasternChina TheDabieorogenicbeltandTanLustrikeslipfaultaresituatedincentralandeasternChina,respectively(Fig.1).Theirevolutionaryprocesses,relatedtotheadjacentgeologicbloc… 相似文献
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长坑金银矿赋矿硅质岩的硅氧同位素地球化学特征及其成因意义孙晓明孙凯陈敬德陈炳辉(中山大学地球科学系,广州510275)关键词硅质岩δ30Siδ18O组成热水沉积长坑金银矿长坑大型金银矿是一种新型的浅成低温热液贵金属矿床,国内外尚未见类似者[1~2... 相似文献
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PTtD Path and Fluid Evolution of HighPressure Eclogites from the Dabie Mountains,Central East China
ZHANG Zeming Institute of Geology Chinese Academy of Geological Sciences Beijing China WEI Bize HAN Yujing YOU Zhendong China University of Geosciences Wuhan China 《Continental Dynamics》1999,(1)
1.Introduction TheQinlingDabieorogenicbeltwasformedbycollisionbetweentheNorthChinaandYangtzeblocks.Thecorepartoftheorogenicbeltconsistsofseveralmetamorphicrockgroups,includingtheDabie(Tongbai)complex,Hong’an(Susong)group,SujiahegroupandSuixian(Yao… 相似文献