Look up: Caliche

1. caliche
   Also called hardpan; an opaque, reddish-brown-to-white calcareous material, which occurs in layers near the surface of stony soils in arid and semiarid areas.
   Found on http://cdiac.ornl.gov/glossary.html
   
   
2. caliche
   [n] - crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions 2. [n] - nitrate-bearing rock or gravel of the sodium nitrate deposits of Chile and Peru
   Found on http://www.webdictionary.co.uk/definitio
   
   
3. Caliche
   A type of soil containing calcium carbonate that makes a very hard brick/block without firing, common in the southern USA and South America.
   Found on http://www.greenconstruction.co.uk/gloss
   
   
4. caliche
   a) a zone near the surface, more or less cemented by secondary carbonates of Ca or Mg precipitated from the soil solution; may occur as a soft, thin horizon, as a hard thick bed, or as a surface layer exposed by erosion; b) alluvium cemented with NaNO3,NaCl and/or other soluble salts in the nitrate ...
   Found on http://www.mijnwoordenboek.nl/definition
   
   
5. caliche
   noun crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
6. Caliche
   An accumulation of calcium carbonate at or near the soil surface.
   Found on http://www.physicalgeography.net/physgeo
   
   
7. Caliche
   Gravel, sand, or desert debris cement by porous calcium carbonate or other salts.
   Found on http://www.pavement.com/glossary/A.html
   
   
8. Caliche
   Caliche is naturally occurring, crude sodium nitrate found in deposits a few feet below the surface in South America. It contains about 20 to 50 percent sodium nitrate and traces of sodium iodate.
   Found on http://www.probertencyclopaedia.com/brow
   
   
9. Caliche
   Caliche is the name given to naturally occurring crude sodium nitrate found in Chile. Caliche contains from 20 to 50 per cent sodium nitrate and also traces of sodium iodate.
   Found on http://www.probertencyclopaedia.com/brow
   
   
10. Caliche
    . `Caliche` is a sedimentary rock, a hardened deposit of calcium carbonate. This calcium carbonate cements together other materials, including gravel, sand, clay, and silt. It is found in aridisol and mollisol soil orders. Caliche occurs worldwide, generally in arid or semiarid regions, including in...
    Found on http://en.wikipedia.org/wiki/Caliche