Zircon U-Pb ages of the volcanic rocks and their constraints on the ending of the Huoshiling Formation in the southeastern of Songliao Basin,NE ChinaOA
1.Objective The Songliao Basin(SB)is situated on the eastern margin of Eurasia continent(Northeast Asia).During the Late Jurassic to Early Cretaceous,hundreds of rifting basins developed in this area,and the SB is a unique case among them as it evolved into the largest rift basin.The rift basin filling of SB includes Huoshiling Formation,Shahezi Formation,and Yingcheng Formation in ascending order.The mega-rifting was controlled by the Mongol-Okhotsk Collisional Belt to the north and northwest and the Pacific Subduction Zone to the east(Wang PJ et al.,2016).As the first rifting succession,the Huoshiling Formation contains key information about the formation of the rifting basins and records the evolution of the Mongol-Okhotsk Collisional Belt and the Pacific Subduction Zone.However,the geological period of the Huoshiling Formation has not been well constrained for two main reasons.First,it is easily confused with the Yingcheng Formation,as both are dominated by volcanogenic-sedimentary successions.Second,there is lack of reliable dating samples from the uppermost part of the Huoshiling Formation due to its considerable burial depth.
Xue-jiao Qu;Ming-kai Zhang;Pu-jun Wang;Zhuo-long Yang;You-feng Gao;Kang-jun Wu;Jia Wang;Xian-feng Tan
School of Petroleum Engineering,Chongqing University of Science and Technology,Chongqing 401331,China School of the Environment,the University of Queensland,Brisbane 4072,AustraliaSchool of Petroleum Engineering,Chongqing University of Science and Technology,Chongqing 401331,ChinaCollege of Earth Sciences,Jilin University,Changchun 130026,ChinaCollege of Earth Sciences,Jilin University,Changchun 130026,ChinaCollege of Earth Sciences,Jilin University,Changchun 130026,ChinaSchool of Petroleum Engineering,Chongqing University of Science and Technology,Chongqing 401331,ChinaSchool of Petroleum Engineering,Chongqing University of Science and Technology,Chongqing 401331,ChinaSchool of Petroleum Engineering,Chongqing University of Science and Technology,Chongqing 401331,China
天文与地球科学
rift basinrift basintheyingcheng formationzirconU Pb agesrifting basinsvolcanic rockshuoshiling formationshahezi formationand
《China Geology》 2026 (1)
P.214-216,I0023,4
supported by the National Natural Science Foundation of China(42102135,42072140,42202122 and 41790453)Science and Technology Research Program of Chongqing Municipal Education Commission(KJZD-M202101502,KJQN202201549 and KJQN202101535)Natural Science Foundation of Chongqing(CSTB2022NSCQ-JQX0031 and CSTB2022NSCQMSX1586)China Scholarship Council(202208505055)。
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