plate tectonics
Across
- 4. arch shape fold in rock layers
- 5. hanging wall moves up in relation to footwalls
- 6. hanging wall moves down in relation to the footwall
- 7. walls move side by side
- 9. downward fold in a rock layer
Down
- 1. top layer of the earth
- 2. outer shell of earth
- 3. one side of fold is higher than the other
- 4. melted layer of the mantle that underlines the lithosphere
- 8. theory the continents were all one