Related Clues:
- It forms obsidian
- Magma, after an eruption
- Rock that cannot, in fact, be contained in a lamp
- Etna spill
- Mauna Kea emission
- What gives?
- Lava source
- Granite source
- 47 Across outflow
- On the outskirts of Lake Geneva with hot stuff running down the hill
- What volcano ejects
- It flows from volcano
- Stuff heatedly hurled out, as politician's left little room
- Molten or pasty rock
- Semi-fluid material within the earth's crust