outcropping

/ˈaʊtkrɑpɪŋ/
noun
  1. A part of a rock formation that appears above the surface of the ground; same as outcrop.
    • The outcropping of volcanic rock was visible from the highway.
    • The outcropping contained traces of ancient marine fossils.
    • We climbed onto a large outcropping to get a better view of the valley.
Synonyms
verb
  1. Present participle of outcrop; appearing above the ground surface.
    • The granite is outcropping along the ridge line.
    • The miners studied the outcropping vein of silver.
    • New layers of shale are outcropping after the landslide.