The transition from Palaeo-Asian to marginal Pacific tectonic domain experienced in the Eastern North China Craton: evidence from Late Jurassic sediment provenance in the North Yellow Sea Basin

EARTH SCIENCE INFORMATICS(2022)

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摘要
The North Yellow Sea Basin is located in an important position in the Eastern North China Craton, the sedimentary process of basin has obvious records for the transformation of the two tectonic domains. This paper studies the Late Jurassic sediment provenance in the North Yellow Sea Basin under the sequence stratigraphic framework, and discusses the response of sediment provenance to the transformation of tectonic domain. Firstly, the similarity of zircon age composition between wells in the same sequence is compared by statistical method. According to the results, the Well X is divided into Part A, the Well Y and Well Z are divided into Part B. In the early Late Jurassic (sequence 1: J 3 SQ 1 ) and late Late Jurassic (sequence 2: J 3 SQ 2 ), the sediments of Part A derived from the Jiaodong Peninsula, and the sediments of Part B derived from the Liaodong Peninsula and Mesoproterozoic intrusive rocks in the North Yellow Sea Basin. Although the sediment provenance of Part A and Part B comes from different directions in space, there is no change in the provenance of sediment in time (the early Late Jurassic and the late Late Jurassic). It shows that the Late Jurassic basin, under the common influence of the Palaeo-Asian tectonic domain and the marginal Pacific tectonic domain, has always been controlled by the compressional tectonic caused by the convergence of multiple plates. Obviously, until the late Late Jurassic, the Eastern North China Craton had not completed the tectonic domain transformation.
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关键词
North China Craton,North Yellow Sea Basin,Detrital zircon geochronology,Late Jurassic,Provenance,Tectonic domain transformation
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