Dictionary:Wipe-out zone

{{#category_index:W|wipe-out zone}} 1. A region without recorded reflections, possibly representing gassy sediments or a zone with very small internal contrasts (such as a mud-filled channel). 2. A region from which reflections cannot be obtained because of raypath disturbances or excessive attenuation in a shallower region. Sometimes caused by lack of illumination (q.v.).