Across
- 6. by which magma rises to the surface of the Earth as lava
- 8. boundaries with many volcanoes
- 9. flow with jagged and angular corners
- 10. flow with smooth and ropy surface
Down
- 1. within a plate far from boundaries
- 2. boundary where earthquakes occur
- 3. or mountain where lava, pyroclastic materials, and gases erupt
- 4. Jointing-Distinctive pattern of columns bounded by fracture
- 5. that forms when lava solidifies
- 7. boundary where volcanism shows as ridges/fissures (decompression melting)