karst topography

This is a rare type of karst topography.

是非常罕见的喀斯特地貌景观.

The lake more than 100 islands, to the lakes and mountains karst topography and features.

湖中岛屿100多个, 以岩溶地貌和湖光山色为特色.

The carbonate rock is widespread in South China where there are various karst topography.

中国南方岩溶地区分布有面积广泛的碳酸盐岩,发育多种岩溶地貌.

Landscape mainly consists of water karst topography and the two broad categories.

境内地貌主要分流水地貌和岩溶地貌两大类.

Al 2O 3+ SiO 2+ Fe 2O 3 is generally 80% ￣ 82%. The formation of bauxite is apparently controlled by the karst paleo topography. The thickness has big range.

总体上讲，化学成分比较稳定，（Al2O3＋SiO2＋Fe2O3）一般为80%～82%，铝土矿的形成明显受岩溶古地形的控制，矿体厚度变化很大。