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Oligocene-Miocene Great Lakes in the India-Asia Collision Zone
DeCelles, PG (DeCelles, Peter G.)1; Castaneda, IS (Castaneda, Isla S.)2; Carrapa, B (Carrapa, Barbara)1; Liu, J (Liu, Juan)3; Quade, J (Quade, Jay)1; Leary, R (Leary, Ryan)1; Zhang, LY (Zhang, Liyun)4,5
Source PublicationBASIN RESEARCH
2018-02-01
Volume30Issue:增刊: S1Pages:228-247
DOI10.1111/bre.12217
AbstractThe Himalayan-Tibetan Plateau is Earth's highest topographic feature, and formed largely during Cenozoic time as India collided with and subducted beneath southern Asia. The >1300km long, late Oligocene-early Miocene Kailas basin formed within the collisional suture zone more than 35Ma after the onset of collision, and provides a detailed picture of surface environments, processes and possible geodynamic mechanisms operating within the suture zone during the ongoing convergence of India and Asia. We present new geochronological, sedimentological, organic geochemical and palaeontological data from a previously undocumented 400km long portion of the Kailas basin. The new data demonstrate that this part of the basin was partly occupied by large, deep, probably meromictic lakes surrounded by coal-forming swamps. Lacustrine facies include coarse- and fine-grained turbidites, profundal black shales and marginal Gilbert-type deltas. Organic geochemical temperature proxies suggest that palaeolake water was warmer than 25 degrees C, and cyprinid fish fossils indicate an ecology capable of supporting large fish. Our findings demonstrate a brief period of low elevation in the suture zone during Oligocene-Miocene time (26-21Ma) and call for a geodynamic mechanism capable of producing a long (>1000km) and narrow basin along the southern edge of the upper, Asian plate, long after the onset of intercontinental collision. Kailas basin deposits presently are exposed at elevations >6000m, requiring dramatic elevation gain in the region after Kailas deposition, without strongly shortening the upper crust. Episodic Indian slab rollback, followed by break-off and subsequent renewal of flat-slab subduction, can account for features of the Kailas basin.
WOS IDWOS:000419873300013
Language英语
Indexed BySCIE
KeywordDIALKYL GLYCEROL TETRAETHERS IONIZATION-MASS-SPECTROMETRY NORTHERN TIBETAN PLATEAU KARAKORAM FAULT SYSTEM SOUTHERN TIBET SUTURE ZONE SOUTHWESTERN TIBET HIMALAYAN OROGEN MEMBRANE-LIPIDS ENVIRONMENTAL CONTROLS
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
Cooperation Status国际
ISSN0950-091X
Department大陆碰撞与高原隆升重点实验室
PublisherWILEY
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8752
Collection图书馆
Affiliation1.Univ Arizona, Dept Geosci, Tucson, AZ 85721 USA;
2.[Castaneda, Isla S.] Univ Massachusetts Amherst, Dept Geosci, Amherst, MA USA;
3.Univ Alberta, Dept Biol Sci, Edmonton, AB, Canada;
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing, Peoples R China;
5.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
DeCelles, PG ,Castaneda, IS ,Carrapa, B ,et al. Oligocene-Miocene Great Lakes in the India-Asia Collision Zone[J]. BASIN RESEARCH,2018,30(增刊: S1):228-247.
APA DeCelles, PG .,Castaneda, IS .,Carrapa, B .,Liu, J .,Quade, J .,...&Zhang, LY .(2018).Oligocene-Miocene Great Lakes in the India-Asia Collision Zone.BASIN RESEARCH,30(增刊: S1),228-247.
MLA DeCelles, PG ,et al."Oligocene-Miocene Great Lakes in the India-Asia Collision Zone".BASIN RESEARCH 30.增刊: S1(2018):228-247.
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