| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Beach mining | Mining | The exploitation of the economic concentrations of the heavy minerals rutile, zircon, monazite, ilmenite, and sometimes gold, which occur in sand dunes, beaches, coastal plains, and deposits located inland from the shoreline. High-grade concentrate is usually obtained from low-grade material by the use of suction dredges and spiral concentrators. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
