fragmental rock

基本解释

The major components of the reservoir clastic rocks are fragmental materials of tuff and extrusive rock.
储集层在成岩过程中的主要成岩变化为机械压实作用、水化水解作用和胶结作用。
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Deimos has a smooth surface due to a blanket of fragmental rock or regolith, except for the most recent impact craters.
火卫二因碎屑岩或风华层的覆盖而表面光滑，除了最近的撞击坑。
The first use of cemented fragmental rock filling in China was conducted atTongkeng tin mine operated by Dachang Mine Bureau.
大厂铜坑锡矿在国内率先使用块石砂浆胶结充填法。