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Article: A tectonic escape model for the formation of sedimentary basins in the Yangzhou block of the Lower Yangtze Region, Eastern China

TitleA tectonic escape model for the formation of sedimentary basins in the Yangzhou block of the Lower Yangtze Region, Eastern China
Authors
KeywordsLate cretaceous
Lower Yangtze Region
Sedimentary basins
Strike-slip fault
Tectonic escape
Issue Date2002
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jseaes
Citation
Journal Of Asian Earth Sciences, 2002, v. 20 n. 2, p. 105-117 How to Cite?
AbstractThis paper presents a tectonic escape model for the formation of sedimentary basins in the Yangzhou Block of the Lower Yangtze Region, Eastern China. Nine sedimentary basins are identified in which the Pukou Formation of the Upper Cretaceous has been deposited. From south to north, the nine sedimentary basins are named: Wangjing, Qianshan, Wuwei, Nanxuan, Changzhou, Jurong, Nanjing, Quanjiao and Subei basins. They form a wedge-shape fragment (the Yangzhou Block) occupying an area of 100,000 km 2 in the Lower Yangtze Region. The two side boundaries of the Yangzhou Block are the strike-slip Tanlu Fault and the strike-slip Quangjiao-Xiangshui Fault on the northwest and the strike-slip Qingyang-Nantong Fault on the southeast. The wide end of the wedge faces the Southern Yellow Sea in the northeast and the narrow end contacts the Dabie Block in the southwest. During the Early Mesozoic, collision between the Yangtze Block and the North China Block resulted in the formation of the Qinling- Dabie Orogenic Belt and caused the Lower Yangtze Region to become a foreland basin with many strike-slip faults. During the Late Mesozoic, wide spread extension in Eastern China and shortening in Qinling/Dabie Shan and in the Huaying Shan region resulted following establishment of an Andean-type arc margin to the east of the Southern Yellow Sea area, when 'Greater Japan' collided with Asia. Consequently, the wedge-shaped Yangzhou Block escaped tectonically toward the northeast and formed distinctive geological features in nine sedimentary basins during Pukou time in the Late Cretaceous. These geological features are reflected in basin spatial distributions, basin geometries, sedimentary facies, sediment thicknesses, sedimentary environments, and the petrology of fanglomerates and sandstones. These basin are part of a large population of arc-crestal rifts formed on top of that Andean arc. The proposed tectonic escape model could be useful in petroleum exploration and mining in the region. © 2002 Elsevier Science Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/71457
ISSN
2015 Impact Factor: 2.647
2015 SCImago Journal Rankings: 1.393
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorShang, YJen_HK
dc.contributor.authorYue, ZQen_HK
dc.contributor.authorXia, BDen_HK
dc.contributor.authorLin, HMen_HK
dc.contributor.authorLi, GHen_HK
dc.date.accessioned2010-09-06T06:32:10Z-
dc.date.available2010-09-06T06:32:10Z-
dc.date.issued2002en_HK
dc.identifier.citationJournal Of Asian Earth Sciences, 2002, v. 20 n. 2, p. 105-117en_HK
dc.identifier.issn1367-9120en_HK
dc.identifier.urihttp://hdl.handle.net/10722/71457-
dc.description.abstractThis paper presents a tectonic escape model for the formation of sedimentary basins in the Yangzhou Block of the Lower Yangtze Region, Eastern China. Nine sedimentary basins are identified in which the Pukou Formation of the Upper Cretaceous has been deposited. From south to north, the nine sedimentary basins are named: Wangjing, Qianshan, Wuwei, Nanxuan, Changzhou, Jurong, Nanjing, Quanjiao and Subei basins. They form a wedge-shape fragment (the Yangzhou Block) occupying an area of 100,000 km 2 in the Lower Yangtze Region. The two side boundaries of the Yangzhou Block are the strike-slip Tanlu Fault and the strike-slip Quangjiao-Xiangshui Fault on the northwest and the strike-slip Qingyang-Nantong Fault on the southeast. The wide end of the wedge faces the Southern Yellow Sea in the northeast and the narrow end contacts the Dabie Block in the southwest. During the Early Mesozoic, collision between the Yangtze Block and the North China Block resulted in the formation of the Qinling- Dabie Orogenic Belt and caused the Lower Yangtze Region to become a foreland basin with many strike-slip faults. During the Late Mesozoic, wide spread extension in Eastern China and shortening in Qinling/Dabie Shan and in the Huaying Shan region resulted following establishment of an Andean-type arc margin to the east of the Southern Yellow Sea area, when 'Greater Japan' collided with Asia. Consequently, the wedge-shaped Yangzhou Block escaped tectonically toward the northeast and formed distinctive geological features in nine sedimentary basins during Pukou time in the Late Cretaceous. These geological features are reflected in basin spatial distributions, basin geometries, sedimentary facies, sediment thicknesses, sedimentary environments, and the petrology of fanglomerates and sandstones. These basin are part of a large population of arc-crestal rifts formed on top of that Andean arc. The proposed tectonic escape model could be useful in petroleum exploration and mining in the region. © 2002 Elsevier Science Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/jseaesen_HK
dc.relation.ispartofJournal of Asian Earth Sciencesen_HK
dc.subjectLate cretaceousen_HK
dc.subjectLower Yangtze Regionen_HK
dc.subjectSedimentary basinsen_HK
dc.subjectStrike-slip faulten_HK
dc.subjectTectonic escapeen_HK
dc.titleA tectonic escape model for the formation of sedimentary basins in the Yangzhou block of the Lower Yangtze Region, Eastern Chinaen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1367-9120&volume=&spage=105 &epage= 117&date=2002&atitle=A+tectonic+escape+model+for+the+formation+of+sedimentary+basins+in+the+Yangzhou+block+of+the+Lower+Yangtze+Region,+Eastern+Chinaen_HK
dc.identifier.emailYue, ZQ:yueqzq@hkucc.hku.hken_HK
dc.identifier.authorityYue, ZQ=rp00209en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S1367-9120(01)00026-8en_HK
dc.identifier.scopuseid_2-s2.0-14344276570en_HK
dc.identifier.hkuros66199en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-14344276570&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume20en_HK
dc.identifier.issue2en_HK
dc.identifier.spage105en_HK
dc.identifier.epage117en_HK
dc.identifier.isiWOS:000172494300001-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridShang, YJ=48961419900en_HK
dc.identifier.scopusauthoridYue, ZQ=7102782735en_HK
dc.identifier.scopusauthoridXia, BD=7102762270en_HK
dc.identifier.scopusauthoridLin, HM=48961176400en_HK
dc.identifier.scopusauthoridLi, GH=25948577100en_HK

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