| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| Any naturally occurring material from which a valuable mineral can be extracted | ore | $800 | DJ | GEOLOGY | 1991-01-07 | #1466 | |
| 3-letter term for the rocks mined for aluminum, iron or lead among others | ore | $100 | J | MINERALS | 1988-05-23 | #871 | |
| Term for the minerals from which metals are extracted | ore | $100 | J | ROCKS & MINERALS | 1985-11-13 | #308 |