| Definition | Term |
| regions underlain by one or more oil pools | |
| mined in an open pit in Utah | |
| compacted plant material | |
| naturally occurring materials that can be profitably mined | |
| impermeable cap that prevents oil and gas from escaping | |
| sedimentation patterns that prevent oil from moving upwards | |
| a luminous coal made of metamorphic rock | |
| underground accumulation of oil | |
| contains metals concentrated in hot fluids that move through fractures, and deposits the minerals as veins | |
| age of the oldest rock in Canada in billions of years | |
| Discovered deposits that can be extracted economically and legally at the present time | |
| a coase grained, porous, permeable, vuggy rock that makes a good resevoir | |