Wedge structure is a common phenomenon in Qauternary strata. It has complicated origin and may provide a lot of environmental information.
楔状构造是第四纪地层中较常见的一种现象，其成因复杂，具有丰富的环境信息。
The Mesozoic rapid tectonic subsidence and wedge shaped sedimentary bodies indicate the origin of lithospheric flexure in the Chuxiong Basin.
中生代构造快速沉降的沉积体的楔形展布表明盆地具有前陆岩石圈挠曲成因特征；
The Mesozoic rapid tectonic subsidence and wedge shaped sedimentary bodies indicate the origin of lithospheric flexure in the Chuxiong Basin.
中生代构造快速沉降的沉积体的楔形展布表明盆地具有前陆岩石圈挠曲成因特征；
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