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。
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