The observation of core and micro research of mineral and element show that the unconformity structures in Jiyang Depression can be divided into three parts of weathered clay,semi-weathered rocks and un-weathered rocks.
对济阳坳陷不整合取心井的岩心观察以及矿物、元素的微观研究表明,济阳坳陷完整的地层不整合包括风化黏土层、半风化岩石和未风化岩石3部分。
In terms of the character of width,braid and bend of the Fengboqi shoal reach in the Chuanjiang River,authors analyzed the characteristic of the channel bed variation and the causes of navigation obstruction.
对川江风簸碛滩河床演变特性及碍航原因进行了分析,针对风簸碛滩弯曲,分汊,左槽过于弯曲、右槽枯水水浅的特点,确定了削弱左槽,开辟顺直右槽为枯水航槽的治理措施。
