The Developed Characteristics and Controlling Factors of the Layer Unconformity Karst in the Lower Ordovician of TaZhong Area
Chonghao Sun
Abstract
Chonghao Sun
Abstract
Various karst phenomenon developed in Lower Ordovician Yingshan Formation of Tazhong area,appears in different scale,different forms of karst fracture cave system.A completely developed the layer unconformity karst can be divided into superfacial karst zone,vertical percolation dissolvedzone,radial flow dissolved zone and groundwater flow zone.Karst development degree and depth vary with the change of region,lithology,tectonics,landform position,ancient hydrological conditions and duration of exposure and other factors.
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Various karst phenomenon developed in Lower Ordovician Yingshan Formation of Tazhong area,appears in different scale,different forms of karst fracture cave system.A completely developed the layer unconformity karst can be divided into superfacial karst zone,vertical percolation dissolvedzone,radial flow dissolved zone and groundwater flow zone.Karst development degree and depth vary with the change of region,lithology,tectonics,landform position,ancient hydrological conditions and duration of exposure and other factors.
Key concepts: Karst, Geology, Unconformity, Ordovician, Lithology, Geomorphology, Cave, Tectonics