calcrete
/ˈkalkriːt
/noun [mass noun] Geology
A breccia or conglomerate cemented together by calcareous material, formed in soils in semi-arid conditions. Also called caliche.The formation is composed of red siltstones, containing discontinuous calcrete horizons, channelized sandstones and thin beds of current-rippled fine sandstone....
- Brown, grey and yellow siltstone with abundant calcrete nodules and rare small gypsum crystals occurs intercalated with lenticular units of matrix-supported pebbly conglomerate.
- This calcrete can be three meters thick and looks like a breccia.
Origin
Early 20th century: from calc- + a shortened form of concrete.
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