Difference between revisions of "Caliche"
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== Description == | == Description == | ||
| − | 1) A surface crystalline deposit primarily composed of [http://cameo.mfa.org/materials/fullrecord.asp?name=sodium | + | 1) A surface crystalline deposit primarily composed of [http://cameo.mfa.org/materials/fullrecord.asp?name=sodium%20nitrate sodium nitrate] with smaller amounts of [http://cameo.mfa.org/materials/fullrecord.asp?name=potassium%20nitrate potassium nitrate] and [http://cameo.mfa.org/materials/fullrecord.asp?name=sodium%20chloride sodium chloride]. Caliche is mined in the Atacama Desert of northern Chile and Peru. It is used as a fertilizer. |
2) A cemented calcareous subsoil layer of [http://cameo.mfa.org/materials/fullrecord.asp?name=clay clay], [http://cameo.mfa.org/materials/fullrecord.asp?name=gravel gravel], [http://cameo.mfa.org/materials/fullrecord.asp?name=silt silt], and [http://cameo.mfa.org/materials/fullrecord.asp?name=sand sand]. Calcareous caliche is found in air regions of central and western Australia, in the Klahari Desert, and in the western US. | 2) A cemented calcareous subsoil layer of [http://cameo.mfa.org/materials/fullrecord.asp?name=clay clay], [http://cameo.mfa.org/materials/fullrecord.asp?name=gravel gravel], [http://cameo.mfa.org/materials/fullrecord.asp?name=silt silt], and [http://cameo.mfa.org/materials/fullrecord.asp?name=sand sand]. Calcareous caliche is found in air regions of central and western Australia, in the Klahari Desert, and in the western US. | ||
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== Authority == | == Authority == | ||
| − | * | + | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 738 |
* Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Caliche (accessed Jan 6 2006) | * Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Caliche (accessed Jan 6 2006) | ||
| − | * | + | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 |
* ''Van Nostrand's Scientific Encyclopedia'', Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976 | * ''Van Nostrand's Scientific Encyclopedia'', Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976 | ||
| − | * | + | * Random House, ''Webster's Encyclopedic Unabridged Dictionary of the English Language'', Grammercy Book, New York, 1997 |
* ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | * ''The American Heritage Dictionary'' or ''Encarta'', via Microsoft Bookshelf 98, Microsoft Corp., 1998 | ||
Revision as of 06:40, 24 July 2013
Description
1) A surface crystalline deposit primarily composed of sodium nitrate with smaller amounts of potassium nitrate and sodium chloride. Caliche is mined in the Atacama Desert of northern Chile and Peru. It is used as a fertilizer.
2) A cemented calcareous subsoil layer of clay, gravel, silt, and sand. Calcareous caliche is found in air regions of central and western Australia, in the Klahari Desert, and in the western US.
Synonyms and Related Terms
2. hardpan; duricrust; calcrete, kankar; caliche (Esp., Port.)
Authority
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 738
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Caliche (accessed Jan 6 2006)
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Van Nostrand's Scientific Encyclopedia, Douglas M. Considine (ed.), Van Nostrand Reinhold, New York, 1976
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998