其次，晋西黄土中存在着大量节理裂隙，是黄土暗穴形成的优势面，为地下水的运移和储存提供了场所；
Secondly, numerous loess joint fractures are preferred plane of loess hidden holes and provide place for the transport and the storage of the groundwater.
大岗山水电站坝肩边坡地质条件复杂，断层、岩脉、卸荷裂隙密集带、深部卸荷带及节理裂隙发育。
The abutment slope at Dagangshan Hydropower Project has complex geological conditions with faults, dikes, unloading crack intensive belt, deep unloading belt and developed joint fissures.
火山通道相主要发育节理缝和各种原生裂隙。
Joint fissures and various primary fractures are mainly developed in volcanic conduit facies.
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