10.1-10.3 Plate Tectonics
Terms in this set (14)
the hypothesis that the continents slowly move across Earth's surface
They are undersea mountain ranges through the counter of which run steep, narrow valleys.
The process by which new ocean lithosphere forms as magma rises to Earth's surface and solidifies at a mid-ocean ridge
The study of the magnetic properties of rock
Dense crust made of rock that is rich in iron and magnesium
Low-density crust made of silica-rich rock.
The solid outer layer of Earth, which consists of the crust and the rigid upper part of the mantle.
Solid, plastic layer of the mantle beneath the lithosphere.
Blocks of Earth's shell that ride on a deformable layer of the mantle.
Boundary between tectonic plates that are moving away from each other
The boundary between colliding tectonic plates
Boundary between tectonic plates that are sliding past each other horizontally
Region where one plate moves under another
Short segments of a mid-ocean ridge that are connected by transform boundaries.