ANAEROBIC OXIDATION OF PETROLEUM COUPLED WITH REDUCTION OF URANIUM MINERALIZATION -CASES FROM DONGSHENG AND QIANJIADIAN URANIUM DEPOSITS

Cai Chunfang; Li Hongtao; Li Kaikai; Jiang Lei

doi:10.11781/sysydz200805518

Volume 30 Issue 5

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Article Navigation > PETROLEUM GEOLOGY & EXPERIMENT > 2008 > 30(5): 518-521

Cai Chunfang, Li Hongtao, Li Kaikai, Jiang Lei. ANAEROBIC OXIDATION OF PETROLEUM COUPLED WITH REDUCTION OF URANIUM MINERALIZATION -CASES FROM DONGSHENG AND QIANJIADIAN URANIUM DEPOSITS[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2008, 30(5): 518-521. doi: 10.11781/sysydz200805518

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Cai Chunfang, Li Hongtao, Li Kaikai, Jiang Lei. ANAEROBIC OXIDATION OF PETROLEUM COUPLED WITH REDUCTION OF URANIUM MINERALIZATION -CASES FROM DONGSHENG AND QIANJIADIAN URANIUM DEPOSITS[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2008, 30(5): 518-521. doi: 10.11781/sysydz200805518

Citation:

Cai Chunfang, Li Hongtao, Li Kaikai, Jiang Lei. ANAEROBIC OXIDATION OF PETROLEUM COUPLED WITH REDUCTION OF URANIUM MINERALIZATION -CASES FROM DONGSHENG AND QIANJIADIAN URANIUM DEPOSITS[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2008, 30(5): 518-521. doi: 10.11781/sysydz200805518

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ANAEROBIC OXIDATION OF PETROLEUM COUPLED WITH REDUCTION OF URANIUM MINERALIZATION -CASES FROM DONGSHENG AND QIANJIADIAN URANIUM DEPOSITS

doi: 10.11781/sysydz200805518

1.
Key Laboratory of Mineral resources, Chinese Academy of Sciences, Beijing 100029, China
2. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China

Received Date: 2008-03-13
Rev Recd Date: 2008-07-30
Publish Date: 2008-09-28

Abstract

Abstract

Host sandstones in Dongsheng and Qianjiadian deposits contain hydrocarbons inclusions and absorbed oils.The oils contain abundant 25-norhopanes and tricyclic terpanes,indicating that oils were heavily biodegraded.The host sandstones show intimate intergrowth of coffinite or pitchblende with secondary pyrite and carbonate cement.The pyrite is biogenic,as defined by low δ³⁴S values from -39‰ to 17‰,and from -44.5‰ to -31.40‰ in the Dongsheng and Qiajiandian deposit,respectively.The carbonate cement has carbon derived from petroleum oxidation as indicated by its δ¹³C values from -27.5‰ to 0.3‰,and from -21‰ to -4‰,respectively.The coffinite shows microorganism-like structure.Based on the data,we proposed that sulphate reducing bacteria alone or using other kinds of bacteria oxidized petroleum simultaneously and reducd sulphates and U(Ⅵ) to generate pyrite and uranium U(Ⅳ) deposits.
- hydrocarbon inclusion,
- sulfur and carbon isotopes,
- biodegradation,
- sandstone-type U depo-sit,
- the Erdos Basin,
- the Kailu Basin

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References

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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ANAEROBIC OXIDATION OF PETROLEUM COUPLED WITH REDUCTION OF URANIUM MINERALIZATION -CASES FROM DONGSHENG AND QIANJIADIAN URANIUM DEPOSITS

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ANAEROBIC OXIDATION OF PETROLEUM COUPLED WITH REDUCTION OF URANIUM MINERALIZATION -CASES FROM DONGSHENG AND QIANJIADIAN URANIUM DEPOSITS

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