caprock

English

Alternative forms

• cap rock

Etymology

From cap +‎ rock.

Noun

caprock (countable and uncountable, plural caprocks)

1. (geology) A harder or more resistant rock type overlying a weaker or less resistant rock type.
   • 2009 September 3, James Glanz, “Energy Company Calls Halt to Drilling Project”, in New York Times‎^[1]:

     Last month, federal scientists said that the company had fallen far behind schedule because a huge rig hired to drill down about 12,000 feet, or more than two miles, on federal land had not been able to pierce surface formations called caprock.

   • 2013, Philipp Meyer, The Son, Simon & Schuster, published 2014, page 424:

     Meanwhile, there were houses going up within gunshot of the caprock.

Translations

Translations

• Chinese:

  Mandarin: 蓋層 / 盖层 (zh) (gàicéng)

See also

• aquitard
• capstone