| Answer | Crossword Clue |
|---|---|
| SOFT | Type of rock found in '70s |
| ELO | Big '70s-'80s band inducted into the Rock and Roll Hall of Fame in 2017 |
| ELO | Inits. in 70's-80's rock |
| ELO | Inits. in '70s and '80s rock |
| ROBERT | Plant found in the Rock and Roll Hall of Fame |
| allogenic | (of a constituent of a rock) formed elsewhere than in the rock where it is found |
| eluvia | deposit of soil, dust, etc., formed from the decomposition of rock and found in its place of origin |
| eluvium | deposit of soil, dust, etc., formed from the decomposition of rock and found in its place of origin |
