Related Clues:
- Traditionalist
- Fuddy-dud
- Antiquated person
- Part of ancient history
- Old-fashioned type
- "Old" conservative sort
- Curmudgeonly guy
- Easily shocked sort
- Preserved trace of ancient plant or animal
- Ancient remnant hardened in rock
- Remnant of life in a rock
- Relic of former life preserved in stone
- Animal remnant preserved in rock
- Preserved trace of an ancient plant or animal
- This fuel is natural, extracted from the ground