What is a stratum lying in a very even manner; a flat, projecting layer of rock called?
shelf — (Mining) A stratum lying in a very even manner; a flat, projecting layer of rock. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
- Canonical URL: https://worddirectanswers.com/answers/what-is-shelf-sense-2-called
- Steward: Jason Burns
- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00