(South African.) See caliche.

A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. . 2002.

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  • calcrete — ▪ geology also called  Hardpan,         calcium 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,… …   Universalium

  • calcrete — noun A sedimentary rock, a hardened deposit of calcium carbonate, capable of cementing together with other materials …   Wiktionary

  • calcrete — n. accumulation of alkaline in the soil; layer of sand or clay that contains minerals …   English contemporary dictionary

  • calcrete — [ kalkri:t] noun Geology a breccia or conglomerate cemented together by calcareous material, formed in soils in semi arid conditions. Origin early 20th cent.: from calc + a shortened form of concrete …   English new terms dictionary

  • calcrete — cal·crete …   English syllables

  • calcrete — /ˈkælkrit/ (say kalkreet) noun a hard soil composed of gravel, sand or desert debris cemented by porous calcium carbonate; caliche. {cal(ci ) + (con)crete} …  

  • calcrete — n. Geol. a conglomerate formed by the cementation of sand and gravel with calcium carbonate. Etymology: L calc lime + con crete …   Useful english dictionary

  • The Pinnacles Desert — The Pinnacles is contained within Nambung National Park, near the town of Cervantes, Western Australia. The Pinnacles are limestone formations. The raw material for the limestone of the Pinnacles came from seashells in an earlier epoch rich in… …   Wikipedia

  • Concretion — For other uses, see enterolith and nodule (geology). Septaria redirects here. For the genus of gastropods, see Septaria (gastropod). Concretions on Bowling Ball Beach (Mendocino County, California) weather out of steeply tilted Cenozoic mudstone… …   Wikipedia

  • Uranium mining — The Ranger Uranium Mine in Australia …   Wikipedia

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