crop out

verb

1. (intr, adverb) (of a formation of rock strata) to appear or be exposed at the surface of the ground; outcrop

Idioms and Phrases

Rise to the surface, become visible or evident, as in These superstitions crop out time and again. This term originated in mining, where a stratum or vein of ore is said to crop out when it comes to the surface. [Mid-1800s]