Sub-outcrop

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A rock stratum that was once exposed at an ancient erosion surface and unconformably underlies another rock stratum.

    "Beyond the eastern limit the outcrop dips below the Black Reef and Dolomite formations; but the sub-outcrop, sweeping round and striking south-east, has been traced by bore-holes for another ten or twelve miles."

Example

More examples

"Beyond the eastern limit the outcrop dips below the Black Reef and Dolomite formations; but the sub-outcrop, sweeping round and striking south-east, has been traced by bore-holes for another ten or twelve miles."

Etymology

From sub- + outcrop.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.