caliche definition

  • noun:
    • A crude sodium nitrate occurring naturally in Chile, Peru, and the southwest usa, made use of as fertilizer.
    • See salt nitrate.
    • See hardpan.
    • A crude type of sodium nitrate from South America; made use of as a fertilizer.
    • A layer of tough clay subsoil; hardpan.
    • a deposit of sand or clay on the surface containing crystallized salts such salt chloride or salt nitrate; -- used specially regarding the sodium nitrate build up of Chile and Peru.
    • a stratum of calcium carbonate in the earth of an arid or semiarid area.
    • the area Southern United states name associated with the indigenous impure nitrate of soda (Chili saltpeter), of much value when you look at the commerce of South America.
    • nitrate-bearing stone or gravel associated with the sodium nitrate build up of Chile and Peru
    • crust or level of tough subsoil encrusted with calcium-carbonate happening in arid or semiarid areas
    • A crude sodium nitrate happening normally in Chile, Peru, therefore the southwest usa, used as fertilizer.
    • See sodium nitrate.
    • See hardpan.
    • A crude type of sodium nitrate from South America; utilized as a fertilizer.
    • A layer of hard clay subsoil; hardpan.
    • a deposit of sand or clay on top containing crystallized salts particularly salt chloride or salt nitrate; -- utilized specifically associated with the sodium nitrate deposits of Chile and Peru.
    • a stratum of calcium carbonate within the soil of an arid or semiarid area.
    • the neighborhood Southern United states name of this indigenous impure nitrate of soda (Chili saltpeter), of much value in commerce of South America.
    • nitrate-bearing rock or gravel regarding the salt nitrate build up of Chile and Peru
    • crust or layer of difficult subsoil encrusted with calcium-carbonate occurring in arid or semiarid areas

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