【摘 要】
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As a karst-rich country,China has a karst area of 3.44×106km2,among which outcrop area is 9.07×105km2,accounting for 9.5% of the territory of the country.Ther
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As a karst-rich country,China has a karst area of 3.44×106km2,among which outcrop area is 9.07×105km2,accounting for 9.5% of the territory of the country.There are four remarkable characteristic in China karst development.First,carbonate rock is aged firm and pure rock,and its outcrop is mainly from Triassic to Precambrian,this make karst features erect and abrupt;second,
As a karst-rich country, China has a karst area of 3.44 × 106km2, among which the outcrop area is 9.07 × 105km2, accounting for 9.5% of the territory of the country. There are four remarkable characteristics in China karst development. First, carbonate rock is aged firm and pure rock, and its outcrop is mainly from Triassic to Precambrian, this make karst features erect and abrupt; second,
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