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  1. No Access

    Article

    Organic matter maturity and oil/gas prospects in Middle-Upper Proterozoic and Lower Paleozoic carbonate rocks in northern China

    Middle-Upper Proterozoic and Lower Paleozoic carbonate formations in northern China are well developed with an accumulative thickness of 6000–1400 m. Both seepages and oils have been found in the outcrops and ...

    Baoquan Liu, Digang Liang, Jie Fang, Rongfen Jia… in Chinese Journal of Geochemistry (1986)

  2. No Access

    Article

    Biomarker compounds as indicators of paleoenvironments

    In an attempt to assess the paleoenvironments of terrestrial sediments, some twenty-two representative Chinese non-marine sediment samples were studied using the molecular organic geochemistry method. The sedi...

    Jiamo Fu, Guoying Sheng, Jiayou Xu, Rongfen Jia… in Chinese Journal of Geochemistry (1992)

  3. No Access

    Article

    Geochemical records of palaeoclimatic changes in Weinan section since the last interglacial

    Weinan section consists of Holocene soil S0, last glacial loess L1, and last interglacial soil S1, furtherly L1 can be subdivided into three layers of loess (L1–1, L1–3, and L1–5), and two layers of weakly dev...

    Qizhong Wen, Guiyi Diao, Rongfen Jia, Jimin Sun… in Chinese Geographical Science (1997)

  4. No Access

    Article

    Organic geochemistry markers of climatic evolution in loess region of China

    Two hundred and thirty-five samples collected from Weinan loess section (L2 – S0) have been analyzed by TOC (total organic carbon) and pyrolysis hydrocarbons. The curve of TOC with depth has been set up and compa...

    Rongfen Jia, Zhao Lin, Youmei Liu, Qizhong Wen in Chinese Geographical Science (1997)

  5. No Access

    Article

    Paleo-environmental study on the growth of magnetotactic bacteria and precipitation of magnetosomes in Chinese loess-paleosol sequences

    405 samples were collected from L5-S5-L6 in consideration of obvious variations in susceptibility of the geological sections, which are section **feng in Gansu Province and section Duanjiapo in Shaanxi Province f...

    **anzhi Peng, Rongfen Jia, Rongsen Li, Shunying Dai… in Chinese Science Bulletin (2000)

  6. No Access

    Article

    Observation of hydrocarbon generation and migration of highly-matured carbonates by means of laser-induced fluorescence microscopy

    Some important information on hydrocarbon generation, inclusion and migration in highly-matured carbonates of lower Palaeozoic age from the Ordos Basin and Tarim Basin has been analyzed by a newly-combined las...

    Dehan Liu, **anming **ao, Rongfen Jia, Jiagui Shen, Zufa Liu… in Chinese Science Bulletin (2000)

  7. No Access

    Article

    The relationship between dolomitization and organic matter occurrence in Lower Paleozoic carbonate in the Ordos Basin

    Based on observations on the core and surface sections of Lower Paleozoic carbonate in the Ordos Basin, petrography research and measurements of TOC, TOS, Ro, XRD, and comparative study with dolomite in modern...

    Rongfen Jia, Dehan Liu in Chinese Science Bulletin (2000)

  8. No Access

    Article

    Genesis and organic geochemical characteristics of the carbonaceous rock stratabound gold deposits, South China

    The organic matter of three different chronological major carbonaceous rock gold-bearing formations of South China (Middle Proterozoic Shangqiaoshan group of northeastern Jiangxi, Lower Cambrian Shuikou group ...

    Kai Hu, Jian** Zhai, Yingju Liu, Henian Wang… in Science in China Series D: Earth Sciences (2000)

  9. No Access

    Article

    Kinetic simulating experiment on the secondary hydrocarbon generation of kerogen

    The kinetic parameters of generation have been obtained for different hydrocarbon classes, including methane, C2-C5 gas hydrocarbons, C6-C13 light hydrocarbons and C13+ heavy hydrocarbons, and vitrinite reflectan...

    Yongqiang **ong, Ansong Geng, Yunpeng Wang… in Science in China Series D: Earth Sciences (2002)