Tension fissure
= Tension fissure
An opening crack formed by local extension. Near a <normal fault> it may accompany primary shear, but shaking, slope instability or compaction can also produce fissures.
= Tension fissure
An opening crack formed by local extension. Near a <normal fault> it may accompany primary shear, but shaking, slope instability or compaction can also produce fissures.