Nearby Words
noun Geology.
1.
a surface deposit consisting of sand or clay impregnated with crystalline salts such as sodium nitrate or sodium chloride.
2.
a zone of calcium carbonate or other carbonates in soils of semiarid regions.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Caliche
is always a great word to know.
So is horizon. Does it mean:
| thin, distinctive stratum useful for stratigraphic correlation |
| portion of the earth's surface consisting of disintegrated rock and humus |
Collins
World English Dictionary
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
caliche
sodium nitrate deposits in Chile and Peru, 1858, from Amer.Sp., from Sp. caliche "pebble in a brick," from L. calx "pebble."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
caliche  (kə-lē'chē) Pronunciation Key
See hardpan. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia
caliche
calcium-richcalcium-rich duricrust, a hardened layer in or on a soil. It is formed on calcareous materials as a result of climatic fluctuations in arid and semiarid regions. Calcite is dissolved in groundwater and, under drying conditions, is precipitated as the water evaporates at the surface. Rainwater saturated with carbon dioxide acts as an acid and also dissolves calcite and then redeposits it as a precipitate on the surfaces of the soil particles; as the interstitial soil spaces are filled, an impermeable crust is formed.
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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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