Continental Crossword

3. the process by which earths crust breaks apart this can occur in continental crust or even oceanic crust
4. the study of the alignment of magnetic minerals in rocks
7. where 2 continental plates have head to head contact to have a mountain that errupts magma from the earths crust
9. a piece of lithosphere that has a unqie geologic history and that may be part of a large piece of lithosphere, such as a continent
10. the supercontinent that formed 300 million years ago and began to break up around 250 million years ago
13. the process by which supercontinents form and break apart over millions of years
14. a long undersea mountain chain that has a steep, narrow valley at its center that forms as magma rises from the asthenosphere to make new layers
15. the solid plastic layer of the mantle that is below the lithosphere and allows tectonic plates to move
16. is a plate of landmass that shifts into new shapes
17. the single large ocean that covered earths surface during the time the supercontinent pangea existed
18. The theory that explains how large pieces of lithosphere called plates move and change shape
19. the boundary between tectonic plates that are moving away from each other
20. the boundary between tectonic plates that are sliding past each other

1. the hypothesis that states that the continents once formed a single landmass broke up and drifted away to where they are now
2. where 2 plates move againist each other and makes a big hole on the surface of the earth
5. the process by which new oceanic lithosphere forms magma rises to earths surface and makes a mid ocean ridge
6. the solid other layer of earth that consists of crust and the upper part of the mantle
8. where 2 plates seperate underwater
11. the boundary between tectonic plates that are colliding
12. is a plate underwater that moves and and shifts into continental plates