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《ACTA BOTANICA SINICA》 1999-01
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Spores and Pollen from Crude Oils of Weizhou Oilfield in Beibu Gulf of South China Sea

JIANG De-Xin;YANG Hui-Qiu(Lanzhou Institute of Geology, The Chinese Academy of Sciences, Lanzhou 730000)  
Fifty-eight species of fossil spores and pollen refered to 28 genera and 3 species of fossil algae referred to 2 genera expected from the crude oil samples were recorded. The samples were collected from thereservoirs within the Lower Liushagang Formation of the Weizhou Oilfield in the Southwest Weizhou Depressionof the Beibu Gulf Basin. Based on the comparisons between palynomorphs in crude oils and palynomorphs inpotential source rocks, the petroleum source rocks of the petroliferous region were determined. According tothe paleoecological characteristics of the original plants producing the spores and pollen, the sedimentary ronment of the petroleum source rocks was discussed. The results of the study indicate that foe Middle Eoceneto Lower Oligocene Liushagang Formation should be the main petroleum source rock series of the Beibu GulfBasin, and the Middle to Upper Oligocene Weizhou Formation should also contain favorable petroleum sourcerocks; the petroleum source rocks might have formed in the subtropic lacustrine sedimentary environment under warm and damp climatic conditions.
【Fund】: 国家自然科学基金
【CateGory Index】: Q914
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【References】
Chinese Journal Full-text Database 1 Hits
1 JIANG De-Xin 1 WANG Yong-Dong 2 WEI Jiang 3 1(Lanzhou Institute of Geology, Chinese Academy of Sciences, Lanzhou 730000) 2(Nanjing Institute of Geology and Paleontology, The Chinese Academy of Sciences,Nanjing 210008) 3(Norfolk State University;Palynological Evidence for Petroleum Migration in Tarim Basin[J];Acta Sedimentologica Sinica;2002-03
【Co-references】
Chinese Journal Full-text Database 2 Hits
1 JIANG De xin YANG Hui qiu (Lanzhou Institute of Geology, Chinese Academy of Sciences, Lanzhou 730000);Petroleum Sporo Pollen Assemblages of Tarim Basin[J];ACTA SEDIMENTOLOGICA SINICA;2000-01
2 Jiang De xin and Yang Hui qiu (Lanzhou Institute of Geology,Academia Sinica,Lanzhou 730000);EARLY CRETACEOUS PALYNOFLORA FROM ANCHOW BASIN,KOREA[J];Acta Botanica Sinica;1996-02
【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 LI Duoli GUAN Ping (School of Earth and Space Sciences ,Peking University, Beijing, 100871);Research Situation and Prospect of Hydrocarbon Migration in China[J];Acta Scicentiarum Naturalum Universitis Pekinesis;2004-04
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