The other part of the reefs might be covered by thrust blocks and overlying strata.
现今礁体部分暴露于地表，部分被推覆体或上覆地层覆盖。
From the Cretaceous to Tertiary, fault sealing built up with thickening of the overlying strata.
白垩纪至第三纪，随上覆地层增厚，断层封闭性增强。
Influences of overlying strata failure height of different exploitation methods, programs and geography terms are analyzed.
分析了不同开采方法及开采程序、不同地质条件对覆岩破坏高度的影响。
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