GEOCHEMICAL

作品数:658被引量:1145H指数:15
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相关作者:王涛向忠金王宗起闫臻张英利更多>>
相关机构:中国地质科学院加拿大地质调查局中国石油大学(北京)安徽大学更多>>
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Geochemical records in the subaqueous Yangtze River delta and their responses to human activities in the past 60 years被引量:12
《Chinese Science Bulletin》2011年第6期552-561,共10页LIU Ming FAN DeJiang 
supported by the National Natural Science Foundation of China (40976020);the National Basic Research Program of China (2005CB422304)
Based on studies of the geochemical elements of core sediments collected from the subaqueous Yangtze River delta front, combined with 210Pb and 137Cs nuclide dating, element recording profiles were set up and anthropo...
关键词:地球化学记录 水下三角洲 人类活动 长江 元素含量 柱状沉积物 反应 人为影响 
Geochemical environmental changes and dinosaur extinction during the Cretaceous-Paleogene (K/T) transition in the Nanxiong Basin, South China: Evidence from dinosaur eggshells被引量:13
《Chinese Science Bulletin》2009年第5期806-815,共10页ZHAO ZiKui MAO XueYing CHAI ZhiFang YANG GaoChuang ZHANG FuCheng YAN Zheng 
Supported by National Natural Science Foundation of China (Grant No. 40472018);the Chinese Academy of Sciences (Grant No. 21039751)
The complex patterns of trace elements including Ir and isotope distributions in the three K/T sections of the Nanxiong Basin prove the existence of two environmental events in the latest Cretaceous and earliest Paleo...
关键词:白垩系-古近系界线 南雄盆地 恐龙蛋壳 微量元素 地球化学 环境变化 
Zr-in-rutile thermometry in eclogite at Jinheqiao in the Dabie orogen and its geochemical implications被引量:11
《Chinese Science Bulletin》2008年第5期768-776,共9页CHEN ZhenYu LI QiuLi 
Supported by the National Natural Science Foundation of China (Grant Nos. 40603009 and 40403008) ;the Chinese Ministry of Science and Technology (Grant No. 2003CB716507)
Trace element analysis was made by an electron microprobe on rutiles from ultrahigh-pressure ec-logite at Jinheqiao in the Dabie orogen. The results show Zr contents of 37 to 118 μg·g?1, with signifi-cant variations...
关键词:地球化学 大白造山带 金红石 温度测定 榴辉岩 地质年代测定 
Geochemical character and material source of sediments in the eastern Philippine Sea被引量:14
《Chinese Science Bulletin》2008年第6期923-931,共9页XU ZhaoKai LI AnChun JlANG FuQing XU FangJian 
the Key Program of the National Natural Science Foundation of China (Grant No. 90411014);the National Major Basic Research and Development Project (Grant No. 2007CB815903);the National Natural Science Foundation of China (Grant Nos. 40576032 and 40506016);the Brain Korea 21 Program (Modern Sedimentation on the Yellow and East China Sea) of Korea
Based upon analyses of grain-size, rare earth element (REE) compositions, elemental occurrence phases of REE, and U-series isotopic dating, the sediment characteristics and material sources of the study area were exam...
关键词:菲律宾海 沉淀物 稀土元素 判别函数 
Geochemical significance of the relative enrichment of pristane and the negative excursion of δ^(13)C_(Pr) across the Permian-Triassic Boundary atMeishan, China被引量:5
《Chinese Science Bulletin》2005年第19期2213-2225,共13页WANG Chunjiang LIU Yimei LIU Hongxiu ZHU Lei SHI Quan 
This work was supported by the National Natural Science Foundation of China (Grant No, 40272056).
Changes in the distribution of isoprenoid hy-drocarbons and in δ 13Ckero or δ 13CPr across the section from the Changxing Formation to the lower Yinkeng Formation at Meishan (the GSSP of PTB) are studied, in which a...
关键词:地球化学 碳氢化合物 同位素 油脂 PTB 
Thermal cracking of n-octodecane and its geochemical significance被引量:1
《Chinese Science Bulletin》2004年第S1期79-83,共5页Yongqiang Xiong Haizhu Zhang Xinhua Geng Ansong Geng 
The mechanism of carbon isotopic fractionation for gaseous hydrocarbons is revealed by investigating the residual liquid hydrocarbons in laboratory pyrolysates of n-octodecane. The results indicate that cracking and p...
关键词:n-octodecane pyrolydsis experiment STABLE carbon ISOTOPE gaseous hydrocarbons RESIDUAL liquid hydrocarbons. 
Oxygen isotope evidence for two-stage water-rock interactions of the Nianzishan A-type granite in NE China被引量:7
《Chinese Science Bulletin》2001年第9期727-731,共5页WEI Chunsheng ZHENG Yongfei ZHAO Zifu J.W.Valley 
This workwas supported by the Chinese Academy of Sciences (Grant No. KZCX2-107);the National Natural Science Foundation of China (Grant No. 49603043); and the University of Science and Technology of China (Grant No. KB0724).
The oxygen isotope ratios of whole-rock, common rock-forming minerals and zircon from Mesozoic A-type granitic pluton at Nianzishan in northeastern China were analyzed by the conventional BrF5 method and the laser-pro...
关键词:A-TYPE granite water-rock interaction ZIRCON oxygen ISOTOPES GEOCHEMICAL recycling. 
Geochemical characteristics and applications of 18α(H)-neohopanes and 17α(H)-diahopanes被引量:9
《Chinese Science Bulletin》2000年第19期1742-1748,共7页WANG Chunjiang, FU Jiamo, SHENG Guoying, XIAO Qianhua, LI Jinyou, ZHANG Yali & PIAO Mingzhi1. Slate Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences. Guang/hou 510640, China 2. Department of Geosciences, Petroleum University, Beijing 102200, China 3. Institute of Petroleum Exploration and Exploitation, Liaohe Bureau of Petroleum Exploration, Panjin 240000, China 
Distributions and geochemical significances of 18α(H)-neohopanes and of 17α(H)-diahopanes in oils from west Xialiaohe depression of the Bohai Bay Basin have been studied. Relative abundance of 18α(H)-neohopanes and...
关键词:18α(H)-neohopane 17α(H)-diahopane MATURITY sedimentary-organic facies. 
Tricyclic aromatic diterpanes found in the Tertiary sediments and their geochemical significance
《Chinese Science Bulletin》2000年第S1期11-15,共5页SHENG Guoying FU Jiamo SONG Yitao PENG Ping’an 
One monoaromatic tricyclic diterpane and two aromatic tricyclic diterpanes were found in three low-maturity source rocks and five crude oils of the Tertiary Shahejie Formation in Shengli Oil Field. The compounds found...
关键词:monoaromatic TRICYCLIC TERPANE diaromatic TRICYCLIC diterpanes TERTIARY Shahejie Formation IMMATURE source rocks CRUDE oil. 
Geochemical records of carbon in recent sediments of Erhai Lake, China: Implication of effects of the Himalayas uplift on global environmental changes被引量:2
《Chinese Science Bulletin》1999年第S2期123-124,共2页WAN Guojiang~1, BAI Zhanguo~(1,2), WANG Haoran~1 and HUANG Ronggui~1 1. State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China 2. State Key Laboratory of Plant Nutrition Research of Chinese Ministry of Agriculture, Institute of Soil and Fertilizer, Chinese Academy of Agricultural Sciences, Beijing 100081, China 
THE formation and uplift of the Himalayas and the Tibetan Plateau may have been responsible for the past150 Ma global environmental changes, resulting in the development of a three-tiered landform in southernChina. Th...
关键词:RECORDS SEDIMENTS Erhai Lake HIMALAYAS UPLIFT global environmental changes. 
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