| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Exposed coalfield | Mining | A. A coalfield where the coal measures crop out at the surface all around its margin or boundary. South Wales, England, is a good example of an exposed coalfield. See also: coal basin; concealed coalfield b. Deposits of coal that crop out at the surface, as along the rim of a coal basin. Cf: crop coal. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
