Citation: | LIN Zong-man. QUERY ON THE NEOCATHAYSIAN FROM THE CONTRAST WITH SICHUAN BASIN AND JIANGHAN SUBSIDENCE AREA[J]. Journal of Geomechanics, 2014, 20(3): 205-221. |
The Sichuan Basin which superimposed on the upper Yangtze Paraplatform during Late Triassic-Jurassic is a large downwarping basin, being a typical basin in the third subsidence zone in Cathaysian.The Jianghan subsidence which superimposed on the fold belt of middle Yangtze during Cretaceous to Tertiary is a rift zone, and is a typical subsidence zone of the second subsidence belt of Neocathaysian. They belong to different basins in time and characteristics, and have extensive structural unconformity. The Neocathaysian three uplifts and three depressions, which put forward by Professor LI Si-guang, is a huge complex tectonic zone, and include stacked composite between Cathaysian and Neocathaysian. The research results prove that the Meso-cathaysian did not exist, for it is just a variation of Cathaysian. In order to correctly describe the basic tectonic characteristics of Eastern China, it's necessary to further clarify the meaning of Cathaysian and Neocathaysian.
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Stratigraphic integrated histogram of Sichuan Basin during Mesozoic-Cenozoic
Structure contour map before basin-forming of Sichuan Basin in late of Middle Triassic
The schematic evolution model before basin-forming of Sichuan Basin
Deposition exhibition map of Sichuan, Guizhou and Yunnan in early of Late Triassic
Deposition exhibition map of Sichuan, Guizhou and Yunnan in middle of Late Triassic
Deposition exhibition map of Sichuan, Guizhou, Yunnan, Hunan and western Hubei in late of Late Triassic
The facies partition sketch map of Dongyuemiao period in Early Jurassic
Deposition exhibition map of Upper Shaximiao Formation and Lower Shaximiao Formation in Sichuan Basin
An isopach map of Upper Jurassic Penglaizhen Formation in Sichuan Basin
Deposition exhibition map of Upper Cretaceous in Sichuan Basin
Sketch of deposition exhibition and paleogeographic graph of Cretaceous-Paleogene in Jianghan subsidence area
Tectonic zoning map of Jianghan subsidence area
Structural cross-section profile of Jianghan subsidence area
Stratigraphic integrated histogram of Jianghan subsidence area
Tectonic zoning map of Sichuan Basin
Structural cross-section profile of Sichuan Basin