| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Face sampling | Mining | The cutting of pieces of ore and rock from exposed faces of ore and waste. The faces may be natural outcrops or faces exposed in surface trenches and pits. Face samples may be taken by cutting grooves or channels of uniform width and depth across the face or sections of the face or by picking off small pieces all over the face, more or less at random. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
