【摘要】 在断层发育的背斜轴部及较低水文网附近,重庆地区茅口组顶部质纯石灰岩中有大量岩溶晶洞,并有天然气产出。洞壁常见方解石伟晶。这些晶洞形成于第三纪。研究其特征、规律和成因,对勘探与此有关的天然气藏有现实意义。更多还原

【Abstract】 A vast amount of karst geodes had been found in the pure limestone on the top of Maokou formation in the crest of anticlines and near the lower hydrological networks at Chongqing region,and some natural gas had also been produced from them.Calcite megaerysts spread or the wall of the geodes which had been formed in Tertiary.It has realistic significance to research their characteristics,regularities and origin for expiorating gas reservoir conc- erned.更多还原