原始的沉积微相和岩石类型控制着岩溶作用的强度，埋藏溶蚀作用主要是对岩溶孔洞的溶蚀扩大或充填破坏。
The intensity of palaeo-karstification is controlled by the primary sedimentary microfacies and rock types, the burial dissolution result in enlargement or shrinkage of the karst cavities.
陆相页岩具有“一新一深二低”的特点，时代新，埋藏深、成熟低、脆性矿物含量低等，油气兼产。
The continental oil and gas shales are featured by new age, great burial depth, low thermal maturity, and low contents of brittle minerals.
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