Definition of cap rock in English:

cap rock

Syllabification: cap rock

noun

A layer of hard, impervious rock overlying and often sealing in a deposit of oil, gas, or coal.
More example sentences
  • In some instances the alteration is so intense that all that remains of the host is a porous siliceous cap rock.
  • The cap rock of some domes contains economic concentrations of sulfur that are extracted as a melt by the Frasch Process.
  • Both species occur in the uppermost cap rock layer of the Upper Albian Boracho Formation northeast of Ft. Stockton, Pecos County, Texas.

Definition of cap rock in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day flippant
Pronunciation: ˈflipənt
adjective
not showing a serious or respectful attitude