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从已有的资料分析,深部及超深部岩溶洞穴分布是广泛的,碳酸盐岩分布地区均有存在,只是规模不等成因不同而已。目前,世界上最大的深部溶洞在南欧的阿尔玛河流域,地面以下800米至1331米,溶洞高531米,高原上的深部溶洞在贵州西南发现,地面以下2580余米有1.6米高的溶洞,即相当于海平面以下1070米处。国内已知最大的深部溶洞在湖南某矿区的地面以下186米至4300米,溶洞高250米以上。河床以下已发现的最大溶洞在黔北乌江渡,即河床以下227米以下有9米多高的溶洞。
According to the existing data, the distribution of deep and ultra-deep karst caves is widespread and there are all kinds of carbonate distribution areas, but different scales have different causes. At present, the largest deep cave in the world lies in the Alma River basin in southern Europe, 800 meters to 1331 meters below the ground and 531 meters high. The deep karst cave on the plateau is found in the southwest of Guizhou. There are karst caves with a height of 1.6 meters below 2580 meters below the ground , Which is equivalent to 1070 meters below sea level. The largest cave known to be the largest in China is 186 to 4300 meters below the ground in a mining area in Hunan Province, with a cave of more than 250 meters in height. The largest cave found below the riverbed is located in the Wujiang River in northern Guizhou, where there is a cave of about 9 meters below 227 meters below the riverbed.