Chapter 7: Plate Tectonics: A Scientific Theory Unfolds

Asthenosphere

Island arc

Plate tectonics

Continental drift theory

Lithosphere

Reverse polarity

Continental volcanic arc

Magnetic time scale

Ridge push

Convergent plate boundary

Mantle plume

Rift (rift valley)

Curie Point

Normal polarity

Seafloor is spreading

Deep-ocean trench

Ocean ridge system

Slab pull

Divergent plate boundary

Paleomagnetism

slab suction

fossil magnetism

Pangaea

Subduction zone

Fracture

Partial melting

Transform fault boundary

Hot spot

Plate

Volcanic island arc