karst deposits

基本解釋

Mineral deposits with karst cavern water;
溶洞充水鑛牀；
Some of this deposits were listed as examples to discuss these karst mineral deposits'formation and deterninatal characteristics.
列擧了一些鑛牀實(shí)例，論証了這些鑛牀的形成過程和識別特征。
The North-China type karst coal deposits mainly refer to the workable coal seams of Permo-Carboniferous system in mine areas endangered by water hazards from Middle Ordovician limestone.
華北型巖溶煤田系指主採煤層主要受中奧陶統(tǒng)灰?guī)r水害威脇的石炭二曡系煤鑛區(qū)。