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Carbon and Strontium isotopes of Late Palaeozoic Marine Carbonates in the Upper Yangtze Platform,Southwest China

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Acta Geologica Sinica(English Edition) 1997年第3期71卷 282-292页

作者： Huang Sijing and Zhou Shaohua State Key laboratory of Oil and Gas Reservoir Geology and Exploitation,Chengdu University of Technology, Chengdu, 610059, Sichuan, China geological Institute, University of Copenhagen, Oster Voldgade 10,DK-13.0 Copenhagen K,Denmark State Key laboratory of Oil and Gas Reservoir Geology and Exploitation Chengdu University of Technology Chengdu 610059 Sichuan China geological Institute University of Copenhagen Oster Voldgade 10 DK-1350 Copenhagen K Denmark [?]Huang Sijing Born in February 1949 graduated from the Speciality of Sedimentology Beijing Graduate School Wuhan College of Geology in 1982 and got a master degree there. Now he is professor at the Institute of Sedimentary Geology Chengdu Institute of Technology and engaged in the teaching and study of sedimentology.

23. marine carbonate samples were collected from seven sedimentary sections ofthe entire late Palaeozoic (Permian, Carboniferous and Devonian) in the Upper Yangtze Plat-form, southwest China. Based on the absence of cathodoluminescence and very low Mn (gener-ally3.C and ^(87)Sr/^(86)Sr ratios versus geological time. The strontium data, consistent withother similar data based on samples from North America, Europe, Africa and other areas inAsia, support the notion of a global consistency in strontium isotope composition of marinecarbonates. The strontium data exhibit three intervals of relatively low ^(87)Sr/^(86)Sr ratios in thelate Middle Devonian to early Late Devonian, Early Carboniferous and Early Permian, corre-sponding to global eustatic high sea level stands. The lowest ^(87)Sr/^(86)Sr ratio recorded in theLate Permian was probably caused by substantial basalt eruptions in the Upper Yangtze Plat-form at the time. Three corresponding periods of relatively high δ^(13.C values at roughly the samethe intervals were caused by a relatively high rate of accumulation of organic carbon duringsea level rises at these times. The deposition of coal was probably responsible for the increaseof sea water δ^(13.C at other times. The δ^(13.C values drop dramatically near theDevonian/Carboniferous, Carboniferous/Permian and Permian/Triassic boundaries, con-sistent with other similar data, which further support the notion that geological time boundariesare associated with mass extinction and subsequent rejuvenation.

关键词： Upper Yangtze Platform Late Palaeozoic marine carbonate carbon and strontium isotopes

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新田岭白钨矿床稳定同位素地质学研究

矿床地质 1988年第2期 39-48页

作者：毕承思吴静淑王美玉艾上铮中国地质科学院矿床地质研究所湖南省地矿局湘南地质队

本文以新田岭钙矽卡岩型白钨矿床为例,通过硫、碳、氢、氧稳定同位素研究所获得的成矿信息,探讨了矽卡岩白钨矿床的成因和物质来源。矿区氢氧同位素组成表明成矿深溶液属以岩浆水为主的混合岩浆水,后期变为大气降水;碳主要来源于地层碳... 详细信息

本文以新田岭钙矽卡岩型白钨矿床为例,通过硫、碳、氢、氧稳定同位素研究所获得的成矿信息,探讨了矽卡岩白钨矿床的成因和物质来源。矿区氢氧同位素组成表明成矿深溶液属以岩浆水为主的混合岩浆水,后期变为大气降水;碳主要来源于地层碳,混有岩浆碳;硫源为深源硫与地层硫的混合。稳定同位素结合地质年代学研究,表明该矿床系与燕山早期黑云母花岗岩有关的接触交代型矿床,钨主要来源于大陆地壳重熔化岗岩浆热液。

关键词：新田岭白钨矿床稳定同位素矽卡岩型

六氟化硫法测量3.S/3.S、3.S/3.S和3.S/3.S的方法研究

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矿床地质 1987年第4期 81-93页

作者：丁悌平黎红张国柄李延河李金城中国地质科学院矿床地质研究所

六氟化硫法是测量硫同位素组成的新方法。与传统的二氧化硫法相比,六氯化硫法有灵敏度高,准确度高,能同时测定δ3.S、δ3.S和δ3.S的的优越性。本文介绍了国内第一台同位素分析用的六氟化硫制样装置,并报导了对硫化银、黄铁矿、黄铜矿... 详细信息

六氟化硫法是测量硫同位素组成的新方法。与传统的二氧化硫法相比,六氯化硫法有灵敏度高,准确度高,能同时测定δ3.S、δ3.S和δ3.S的的优越性。本文介绍了国内第一台同位素分析用的六氟化硫制样装置,并报导了对硫化银、黄铁矿、黄铜矿、陨硫铁、方铅矿和闪锌矿等天然硫化物用六氟化硫法进行硫同位素测定的结果。结果表明,我们的装置和方法达到了国际上现有的水平,并在操作的方便性、可靠性及样品适用范围方面有所改进。

关键词：同位素硫同位素六氟化硫法六氟化硫

Natural gas origins of large and medium-scale gas fields in China sedimentary basins

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Science China Earth sciences 2008年第S1期51卷 1-13页

作者： ZHANG ShuiChang &ZHU GuangYou Research Center of Research Institutes of PetroChina Exploration and Development,beijing 100083.China Research Center of Research Institutes of PetroChina Exploration and Development Beijing China

China sedimentary basins present abundant natural gas resource thanks to its unique geological *** highly-matured hydrocarbon source rocks,widespread coal-measure strata and low temperature Quaternary saline strata,etc.,indicate the wide foreground of China natural gas resources. Up to now,most of the petroliferous basins have been discovered to have wholesale natural gas accumulation from Precambrian,Paleozoic,Mesozoic to Cenozoic in the east,the central,the west and the coast of *** large and medium-scale gas reservoirs are mainly composed of hydrocarbon gas with big dry coefficient,tiny non-hydrocarbon,wide carbon isotope distribution and varying origin types,the hydrocarbon gas includes coal-formed gas,oil-formed gas,biogenic gas and inorganic gas, ***-formed gas is the main type of China natural gas resources,in particular several explored large-scale gas fields(>100 billion cubic meter)of Kela 2,Sulige and Daniudi,etc.,they all belong to coal-formed gas fields or the gas fields consisting mostly of coal-formed ***-formed gas is also abundant in China marine basins,for example marine natural gas of Sichuan Basin generated from crude oil cracking *** and secondary biogenic gas fields were discovered respectively in the Qaidam Basin and Western Slope of Songliao *** addition,inorganic gases are mainly distributed in the eastern China,in particular the Songliao Basin with abundant carbon dioxide accumulation,indicating that the eastern China present large exploration potential of inorganic gas.

关键词： natural gas origin sedimentary basin large and medium-scale gas field

The Spatial Database of Digital geological Map of China at 1:1M

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The Spatial Database of Digital Geological Map of China at 1...

多龙矿集区色那东岩体年龄、成因与动力学背景

第五届全国地质制图与GIS学术讨论会

作者： DING Xiaozhong~1 HAN Kunying~(1,2) KE Xue~1 JU Yuanjing~1 PANG Jianfeng~1 1,Institute of Geology,chinese academy Geology Science,beijing {3.,China. 2,Faculty of Geosciences and Resources,China University of Geosciences,beijing 100083. China.

＜正＞The Spatial Database of the Digital geological Map of China at 1:1 M（V1.0）is made up of 64（whole and partial）map sheets,Each map sheet is represented by the rectangle of 6°longitude and 4°latitude,according to the international map standard at 1:1M,It mainly includes geological map database,geographical map database,metadata database et al,The geological map database is constructed on the basis of the 1:500 000 geological map database（1999）,and it absorbs the latest information and outcomes of 1:250 000,1:50000 geological mapping and special subject study,It contains strata,igneous rock,fault,special geological unit（eclogite, blueschist,ophiolite et al.）,isotope age determination and drill hole et al,According to the feature and requirement of the geological map database,the geographical map database was constructed on the basis of 1:1 M topographical map database（ArcInfo） which provided by National Geomatics Center of China,It contains boundaries,river system,inhabitant areas,transportation et al,The Spatial Database of Digital geological Map of China at 1:1M was built with MapGIS,ArcGIS and Access,The quantity of data is as large as 2.0GB,The spatial database management system possesses functions of map retrieval andquery,automatic map making and automatic legend drawing,The database system will serve on the network in the future,which should be updated and maintained regularly.

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地球科学 2018年第4期43卷 1125-1141页

作者：王勤林彬唐菊兴宋扬李彦波侯俊富李玉彬卫鲁杰成都理工大学地球科学学院四川成都610059 中国地质科学院矿产资源研究所国土资源部成矿作用与资源评价重点实验室北京100037 西藏自治区地质矿产勘查开发局第五地质大队青海格尔木816000 中铝西藏矿业有限公司西藏拉萨850000

多龙矿集区是我国首个铜金属资源量达到2 000万t以上的世界级铜金矿集区,外围找矿潜力依然十分巨大.首次报道矿集区东部色那东地区花岗斑岩体和闪长玢岩体的地质年代学及地球化学测试结果,为总结区域成矿规律提供基础数据.通过精确的锆... 详细信息

多龙矿集区是我国首个铜金属资源量达到2 000万t以上的世界级铜金矿集区,外围找矿潜力依然十分巨大.首次报道矿集区东部色那东地区花岗斑岩体和闪长玢岩体的地质年代学及地球化学测试结果,为总结区域成矿规律提供基础数据.通过精确的锆石测年,全岩主、微量元素和锆石Hf同位素测试发现,上述岩体的成岩年龄均为123.2Ma,岩石的形成与俯冲洋壳板片部分熔融有关,源区有明显幔源组分加入.色那东地区侵入岩与矿集区含矿斑岩空间上集中侵入,且同属早白垩世岩浆活动产物,暗示其具有相同动力学背景,是班公湖-怒江洋俯冲末期-碰撞初期弧-弧"软"碰撞的产物,其侵入过程为成矿提供了热量和流体来源,显示该地区仍有较好的成矿潜力.

关键词：锆石U-Pb年龄岩石学地球化学 Hf同位素组成色那东西藏

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论阿尔泰3.伟晶岩脉的成因

矿床地质 1986年第4期 34-48页

作者：邹天人张相宸贾富义王汝聪曹惠志吴柏青中国地质科学院矿床地质研究所新疆有色金属公司新疆冶金地质研究所

我国阿尔泰伟晶岩区分布着10万余条伟晶岩脉,蕴藏着工业白云母、陶瓷长石、稀有金属、宝石和水晶等丰富的矿产资源。在众多的伟晶岩脉中,要数3.伟晶岩脉最享有盛名,凡知其一二的研究者,无不为它的奇丽壮观所惊讶。虽说如此,但对其发掘... 详细信息

我国阿尔泰伟晶岩区分布着10万余条伟晶岩脉,蕴藏着工业白云母、陶瓷长石、稀有金属、宝石和水晶等丰富的矿产资源。在众多的伟晶岩脉中,要数3.伟晶岩脉最享有盛名,凡知其一二的研究者,无不为它的奇丽壮观所惊讶。虽说如此,但对其发掘和认识也是经历了一段较长时间的。自193.年发现该伟晶岩田后,直到1946年牧民从地表的锂云母露头挖掘锂辉石和绿柱石时才发现了3.伟晶岩脉。随即进行了锂、铍矿物的开采,几年后才开始对锂、铍进行地质勘探。五十年代初期,K.A.弗拉索夫,A.A.别乌斯,H.A.索洛多夫,M.B.库兹明科等对3.伟晶岩脉作过矿物学、地球化学和矿床地质学的研究,发表了多篇论文和专著,

关键词：伟晶岩脉矿物组合结构单元铝硅酸盐矿物阿尔泰钠长石斜长石白云母矿物共生组合流体包裹体矿物包体铿辉石石英中

Early Paleozoic HP granulite-garnet peridotite associations in the south Altyn Tagh, NW China: Petrological and shrimp dating constraints

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Early Paleozoic HP granulite-garnet peridotite associations ...

应用稳定同位素判别治岭头金银矿床的成矿流体性质和来源

2004年全国岩石学与地球动力学研讨会

作者： J. X. Zhang, F. C. Meng and Y. S. Wan 1. Institute of Geology, CAGS beijing, 10003., P. R. China 2. Department of geological and Environmental {3., S tanford University, Stanford, CA 943.5-2115, U. S. A)

＜正＞ Petrological investigations and shrimp dating were undertaken on a newly recognized HP granulite unit in the Bashiwake area of the south Altyn Tagh, western China. The HP granulite unit consists of bearing-kyanite felsic granulites, mafic granulites, sapphirine-bearing garnet clinopyroxenite and associated gamet peridotites. The predominant felsic granulites are quartz + Ternary feldspar （present perthite）-rich rocks containing various amounts of garnet, kyanite, plagioclase, biotite, rutile, spinel and corundum, and minor zircon, apatite. The mafic granulites enclosed directly in felsic granulites contain a peak assemblage of Grt + Cpxl + Ternary feldspar （now mesoperthite） + Qtz + Rt. The growth of new clinopyroxene （Cpxll）, Opx and PI in the matrix was related to decompression. The bearing-sapphirine garnet clinopyroxenite occurs as mafic layers in garnet peridotite. Petrographical data suggests a peak assemblage of Grt + Cpxl + Ky + Rt. The early kyanite is inferred by the symplectite of Spr + Cor + Pl ±Spl formed during decompression. Garnet peridotite contains an assemblage of Grt + Ol + Opx + Cpx. The fibrous kelyphites composed of Opx + Cpx + Spl around gamet suggests decompression. The peak assemblage of garnet+ kyanite +ternary feldspar + quartz in the felsic granulite give a P-T conditions of around 925-995℃and 20.0-24.5kbar, consistent with the estimates of T = 950-1020℃and P = 18.5-25.3.kbar obtained from the peak assemblage of mafic granulite, and T = 870-1050℃and P = 18.5-27.3.kbar of garnet peridotite within error. A medium-high pressure granulite facies overprint （780-820℃, 9.5-12 kbar） is well defined by the formation of secondary Cpxll±Opx + Pl at expense of garnet and early Cpx in the mafic graunlites, as well as by growth of Spl and PI at expense of garnet and ky in the felsic *** separated zircons from felsic granulite, sapphirine-bearing metabasites and garnet peridotite were measured on shrimp Ⅱiron microprobe. Most zircons are

关键词： HP granulite sapphirine-bearing garnet clinopyroxenite garnet peridotite south Altyn Tagh shrimp dating

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矿床地质 1988年第4期 27-32页

作者：徐步台夏安宁郑淑蕙陈成业浙江省地质科学研究所浙江省地质测试中心北京大学地质系

浙江治岭头金银矿床中两期含金石英脉的氢、氧、碳及硫的稳定同位素研究结果表明各自具有明显不同的同位素组成特征,两期矿化作用的成矿热液流体具不同成因类型。早期是与基底陈蔡群变质水有关的热液流体;而晚期则是与盖层火山岩浆水和... 详细信息

浙江治岭头金银矿床中两期含金石英脉的氢、氧、碳及硫的稳定同位素研究结果表明各自具有明显不同的同位素组成特征,两期矿化作用的成矿热液流体具不同成因类型。早期是与基底陈蔡群变质水有关的热液流体;而晚期则是与盖层火山岩浆水和古大气降水有关的混合热液流体。因此治岭头矿床是一个具有多源成矿热液流体相叠加的复合型矿床。

关键词：同位素地球化学金银矿床热液成因治岭头