| Answer | Crossword Clue |
|---|---|
| epidiorites | EPIDIORITE, a dioritic or gabbroitic rock more or less metamorphosed |
| epidiorite | a dioritic or gabbroitic rock more or less metamorphosed |
| tuff | fragmental rock consisting of the smaller kinds of volcanic detritus, as ash or cinder, usually more or less stratified |
| tuffs | fragmental rock consisting of the smaller kinds of volcanic detritus, as ash or cinder, usually more or less stratified |
