Unconsolidated 1 : A unit of rocks that are loosely arranged or not layered, or whose particles are not cemented together, occurring either at the surface or at depth
U.S. Geological Survey, U.S. Department of the Interior, Volcano Hazards Program, Glossary, Washington, DC, USA 2011. http://volcanoes.usgs.gov/vsc/glossary/alluvium.ht ml, (ND/ Volc Emr - Amer) {795}