calcrete
1calcrete — ▪ 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,… …
2calcrete — noun A sedimentary rock, a hardened deposit of calcium carbonate, capable of cementing together with other materials …
3calcrete — (South African.) See caliche …
4calcrete — n. accumulation of alkaline in the soil; layer of sand or clay that contains minerals …
5calcrete — [ 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 …
6calcrete — cal·crete …
7calcrete — /ˈkælkrit/ (say kalkreet) noun a hard soil composed of gravel, sand or desert debris cemented by porous calcium carbonate; caliche. {cal(ci ) + (con)crete} …
8calcrete — n. Geol. a conglomerate formed by the cementation of sand and gravel with calcium carbonate. Etymology: L calc lime + con crete …
9The 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… …
10Concretion — 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… …