Flashcards in Geology and Oceanography Deck (7)
Make up upper crust of Earth and float on upper mantle. Move 8-10 cm per yr.
D) strike slip
A) move together
B) move apart
C) move under. Causes volcanoes, trenches, mountains
D) move opposite directions
Where does spreading occur?
Mid ocean ridges, ocean floor
5 major oceans
What is the coriolis effect?
Deflection of ocean currents to the right in the north hemisphere, causes gyrers
What are gyrers?
Areas with low water movement in the middle of large circular currents