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duricrust

Line breaks: duri|crust
Pronunciation: /ˈdjʊərɪkrʌst
 
/

Definition of duricrust in English:

noun

Geology
A hard mineral crust formed at or near the surface of soil in semi-arid regions by the evaporation of groundwater: resistant bedrock or duricrusts appear at the surface [mass noun]: he crunched over concrete and then duricrust
More example sentences
  • A resistant rock cap such as a hard sandstone or a duricrust is one possibility.
  • The Molopo River was sampled by first removing the duricrust and then sampling the underlying sediments.
  • Due to the scarceness of datable sediments saprolites and duricrusts were widely used as defining features.

Origin

1920s: from Latin durus 'hard' + crust.

Definition of duricrust in:

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