click below
click below
Normal Size Small Size show me how
APES Ch27Vocab Lytle
Lytle - APES Ch 27 Vocab
| Question | Answer |
|---|---|
| mineral resources | Elements,chemical compounds, minerals, or rocks concentrated in a form that can be extracted to obtain a usable commodity. |
| ore deposits | Earth materials in which metals are concentrated in high concentrations sufficient to be mined |
| reserve | Known and identified deposits of earth materials from which useful materials can be extracted profitably with existing technology and under present economic and legal conditions. |
| R-to-C ratio | A measure of the time available for finding the solutions to depletion of nonrenewable reserves, where R is the known reserves and C is the rate of consumption. |