calichen.
/kəˈliːtʃeɪ/ Mineralogy.
In arid areas of North and South America, any of various mineral deposits (esp. native Chile saltpetre) containing sodium nitrate, calcium carbonate, or other salts.
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the world > the earth > minerals > mineral deposits > [noun] > of salts
caliche1858
evaporate1920
evaporite1924
1858 P. L. Simmonds Dict. Trade Products Caliche, a name for nitrate of soda found in Peru.
1883 R. Haldane Workshop Receipts 2nd Ser. 349/2 Iodine occurs in caliche or raw nitrate deposit, as iodate of sodium.
1892 E. S. Dana J. D. Dana's Syst. Mineral. (ed. 6) 871 In the district of Tarapaca, northern Chili,..the dry pampa..is covered with beds of this salt (caliche) several feet in thickness.
1939 W. H. Twenhofel Princ. Sedimentation ix. 342 Caliche..is a deposit of calcium carbonate and other salts made in semiarid regions.
This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2022).
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