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Article: Constraints on Cenozoic regional drainage evolution of SW China from the provenance of the Jianchuan Basin

TitleConstraints on Cenozoic regional drainage evolution of SW China from the provenance of the Jianchuan Basin
Authors
KeywordsJianchuan Basin
Red River
River capture
Zircon U-Pb
Issue Date2012
PublisherAmerican Geophysical Union.
Citation
Geochemistry, Geophysics, Geosystems, 2012, v. 13 n. 1, p. 1-12, Article no. Q03001 How to Cite?
AbstractDetrital zircon U-Pb geochronology was applied to Cenozoic fluvial sedimentary rocks from the Jianchuan Basin, Yunnan Province, China to constrain the provenance and the nature of paleo-drainage. Local geology testifies to a large river flowing through the Jianchuan Basin during the Paleogene and this previously has been linked to a paleo drainage system that connected the Qiangtang and Lhasa blocks to the South China Sea. The detrital zircon results from this study do not fit with this model and instead show provenance consistent with a river draining a watershed within the Songpan-Garze Complex, most likely from the northeast. From the late Oligocene and thereafter zircon provenance records greater contributions from erosion of local sources that surround the basin including the South China Block and Yidun Arc rocks that suggest loss of the northern sources. The timing for these changes overlap with regional deformation related to strike-slip faulting or displacement by shear strain rather than the later uplift associated with an expanding margin of the Tibetan Plateau.
Persistent Identifierhttp://hdl.handle.net/10722/152518
ISSN
2015 Impact Factor: 2.993
2015 SCImago Journal Rankings: 2.439
ISI Accession Number ID
Funding AgencyGrant Number
National Natural Science Foundation of China40972130
Major State Basic Research Program of the People's Republic of China2009CB219401
Chinese Academy of SciencesKZCX2-EW-101
NSFC-UK Royal Society40811130248
Funding Information:

This work was financially co-supported by the National Natural Science Foundation of China (grant 40972130) and Major State Basic Research Program of the People's Republic of China (2009CB219401), the Knowledge Innovation Program of the Chinese Academy of Sciences (grant KZCX2-EW-101), and NSFC-UK Royal Society Joint Project award (40811130248). This is contribution (GIGRC-10-01) IS-1444 from GIGCAS.

 

DC FieldValueLanguage
dc.contributor.authorYan, Y-
dc.contributor.authorCarter, A-
dc.contributor.authorHuang, CY-
dc.contributor.authorChan, LS-
dc.contributor.authorHu, XQ-
dc.contributor.authorLan, Q-
dc.date.accessioned2012-06-26T09:24:32Z-
dc.date.available2012-06-26T09:24:32Z-
dc.date.issued2012-
dc.identifier.citationGeochemistry, Geophysics, Geosystems, 2012, v. 13 n. 1, p. 1-12, Article no. Q03001-
dc.identifier.issn1525-2027-
dc.identifier.urihttp://hdl.handle.net/10722/152518-
dc.description.abstractDetrital zircon U-Pb geochronology was applied to Cenozoic fluvial sedimentary rocks from the Jianchuan Basin, Yunnan Province, China to constrain the provenance and the nature of paleo-drainage. Local geology testifies to a large river flowing through the Jianchuan Basin during the Paleogene and this previously has been linked to a paleo drainage system that connected the Qiangtang and Lhasa blocks to the South China Sea. The detrital zircon results from this study do not fit with this model and instead show provenance consistent with a river draining a watershed within the Songpan-Garze Complex, most likely from the northeast. From the late Oligocene and thereafter zircon provenance records greater contributions from erosion of local sources that surround the basin including the South China Block and Yidun Arc rocks that suggest loss of the northern sources. The timing for these changes overlap with regional deformation related to strike-slip faulting or displacement by shear strain rather than the later uplift associated with an expanding margin of the Tibetan Plateau.-
dc.languageeng-
dc.publisherAmerican Geophysical Union.-
dc.relation.ispartofGeochemistry, Geophysics, Geosystems-
dc.rightsGeochemistry, Geophysics, Geosystems. Copyright © American Geophysical Union.-
dc.rightsAn edited version of this paper was published by AGU. Copyright (2012) American Geophysical Union.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectJianchuan Basin-
dc.subjectRed River-
dc.subjectRiver capture-
dc.subjectZircon U-Pb-
dc.titleConstraints on Cenozoic regional drainage evolution of SW China from the provenance of the Jianchuan Basinen_US
dc.typeArticleen_US
dc.identifier.emailChan, LS: chanls@hku.hk-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1029/2011GC003803-
dc.identifier.scopuseid_2-s2.0-84863266412-
dc.identifier.hkuros207449-
dc.identifier.volume13-
dc.identifier.issue1-
dc.identifier.spage1-
dc.identifier.epage12-
dc.identifier.isiWOS:000301127500001-
dc.publisher.placeUnited States-

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