| notation | 03 | |
|---|---|---|
| definition | Any solid or liquid generated by human activity that has little or no economic value, usually the result of the manufacture, mining, or processing of a material to produce an economic product. (this is material that has not been processed to remove a product, either in place or in holding heaps) |
| notation | 01 | |
|---|---|---|
| definition | The valueless rock or mineral aggregates in an ore; that part of an ore that is not economically desirable but cannot be avoided in mining. It is separated from the ore minerals during concentration. (this is material that has been processed to remove some economic product) |
| notation | 02 | |
|---|---|---|
| definition | The naturally occurring material from which a mineral or minerals of economic value can be extracted at a reasonable profit. Also, the mineral(s) thus extracted. The term is generally but not always used to refer to metalliferous material, and is often modified by the name of the valuable constituent, e.g., "iron ore". |