Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A sedimentary rock, a hardened deposit of calcium carbonate, capable of cementing together with other materials.

from The Century Dictionary and Cyclopedia

  • n. A calcareous mass of considerable size formed on the sea-bottom by calcareous incrusting Polyzoa which cement the sand and other loose material together.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Blend of calcium and concrete?

Examples

  • Steep escarpments of white calcrete, marking the perimeter of the ancient lake, run along the shores of the pans, rising between 70 and 100 meters (m) above their surface.

    Zambezian halophytics

  • Surrounding the pans on a larger scale (on less brackish soil) are grasslands dominated by Odyssea paucinervis and Cynodon dactylon with Cenchrus ciliaris and Eriochloa meyeriana dominating the crests of calcrete escarpments.

    Zambezian halophytics

  • Much of the region consists of undulating plains characterized by low parallel sand dunes underlain by calcrete, with several centers of geologically recent volcanic activity in the Mount Gambier district.

    Naracoorte woodlands

  • Much of the region is occupied by sand dunes, with areas of calcrete and silcrete.

    Great Victoria desert

  • The sands of this ecoregion vary in depth, and are underlain mainly by calcrete.

    Kalahari xeric savanna

  • The halomorphic soils of the Etosha area overlie calcrete and are shallow, alkaline, high in water soluble salts while poor in both phosphates and nitrogen.

    Angolan Mopane woodlands

  • The undulating plains of the region are characterized by low parallel sandridges underlain by calcrete, which frequently outcrops in the swales.

    Murray-Darling woodlands and mallee

  • Away from the pan, the soils are shallow, brackish and alkaline and are associated with calcrete.

    Etosha Pan halophytics

  • Contact springs are the most common and are found at the edge of the pan where water-bearing calcrete comes to an end and water flows out onto the surface because the underlying layers of clay are impermeable.

    Etosha Pan halophytics

  • We were doing the elephant dung counts in the Triangle region and headed out to the Golden Highway, which bisected the West Caprivi in a seemingly endless stretch of white calcrete, corrugated in the dry season and treacherously slippery in the wet season.

    The Elephant's Secret Sense

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