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Geology Part I

V. Higdon: timchandler
Across
The rigid of outer layer of the earth that includes the crust and upper mantle
Upper part of the mantles where plates move
A formation of new ocean floor through volcanic activity
Stress that stresses rock so that it becomes thinner in the middle
Boundary between two colliding plates
Large ancient land mass that composed of all continents joined together
Theory that pieces of earths lithosphere are in constant motion
A dense sphere of solid iron and nickel
Stress that pushes a mass or rock in the opposite direction
The layer of rock that forms the earth's outer surface
Down
Boundary between tectonic plates in which two plates move away from each other
The layer of hot solid material between the earth's crust and core
A section of lithosphere that slowly moves over the asthenosphere
The molten mixture of rock forming substance
A layer of molten iron and nickel surrounding inner core of earth
Theory of earth's lithosphere being in constant motion
A crack in the lithosphere where two of earth's plates meet
Study of the earth
Where warmer parts rise and cooler parts sink
Strong lower part of the mantle
Stress that squeezes rock until it folds or breaks