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Rhenium-osmium(Re-Os)geochronology of crude oil from lacustrine source rocks of the Hailar Basin,NE China 被引量:1
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作者 Qi-An Meng Xue Wang +8 位作者 Qiu-Li Huo zhong-liang dong Zhen Li Svetlana GTessalina Bryant DWare Brent IAMcInnes Xiao-Lin Wang Ting Liu Li Zhang 《Petroleum Science》 SCIE CAS CSCD 2021年第1期1-9,共9页
Re-Os radiometric dating of crude oil can be used to constrain the timing of hydrocarbon generation,migration or charge.This approach has been successfully applied to marine petroleum systems;however,this study report... Re-Os radiometric dating of crude oil can be used to constrain the timing of hydrocarbon generation,migration or charge.This approach has been successfully applied to marine petroleum systems;however,this study reports on its application to lacustrine-sourced natural crude oils.Oil s amples from multiple wells producing from the Cretaceous Nantun Formation in the Wuerxun-Beier depression of the Hailar Basin in NE China were analysed.Subsets of the Re-Os data are compatible with a Cretaceous hydrocarbon generation event(131.1±8.4 Ma)occurring within 10 Myr of deposition of the Nantun Formation source rocks.In addition,two younger age trends of 54±12 Ma and 1.28±0.69 Ma can be regressed from the Re-Os data,which may reflect the timing of subsequent hydrocarbon generation events.The Re-Os geochronometer,when combined with complementary age dating techniques,can provide direct temporal constraints on the evolution of petroleum system in a terrestrial basin. 展开更多
关键词 Re-Os dating Lacustrine crude oils Hailar basin Petroleum system evolution
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