The Structure of Qaidam Basin Basement Lithosphereand Its Effect on the Basin Tectonic Property
Received date: 2011-11-19
Revised date: 2012-08-21
Online published: 2012-10-10
The authors have analyzed geophysical data,such as Bouguer gravity,aero-magnetism,geological profile,and structural patterns from the Qaidam basin and adjacent regions.The first-order structure of the basin is a broad Cenozoic synclinorium,which is the mirror reflection of the mantle.The development of the synclinorium was coupled with the deformation of the upper-crust,lower-crust flow,and the upper mantle,suggesting that Cenozoic structural evolution of the Qaidam basin resulted directly from the uplift of the mantle.Qaidam basin is naturally a synclinorium depression,accommodating by upper-crust winding and lower-crust flowing.
Key words: Basement; Lithosphere-mantle; Upper-crust channel flow; Structure; Qaidam basin
LI Sheng-fu,SHI Yong-min,SHI Yong,SHI Jin-hua . The Structure of Qaidam Basin Basement Lithosphereand Its Effect on the Basin Tectonic Property[J]. Natural Gas Geoscience, 2012 , 23(5) : 930 -938 . DOI: 10.11764/j.issn.1672-1926.2012.05.930
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