secondary fissure

And natural mineral water is the most probably found in fracture zone, secondary fissure structure zone, marble and intermediate basic rock area and Quaternary system with good waterproof bed at the base

提出了断裂破碎带及其次级构造裂隙发育区、大理岩、中基性火山岩分布区及第四系底部有良好的隔水层地区是本区矿泉水最有利的找矿靶区

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The secondary fissure, located on the upfaulted block of the major fissure, has the normal fault property with north dip and north downthrown, and merges into the major fissure with Y-shaped distribution at depth 300-500m in Quaternary system.

次缝位于主缝上盘，具有北倾北降的正断裂性质，并与主缝断裂呈丫字型构造，在深度300～500m处的第四系内与主缝汇合。

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