science

DIVERGENT

CONVERGENT

TRANSFORM

CONTINENTAL-CONTINENTAL

Rift Valleys

Mountain Ranges

Earthquakes

OCEANIC-OCEANIC

Mid-Ocean Ridges

Subduction Zones

Earthquakes

CONTINENTAL-OCEANIC

Volcanic Arcs

Trenches

Earthquakes

CRUST

5 - 70 KM

CONTINENTAL CRUST

25 - 70 KM

Granitic, light, and composed of aluminum silicates

2.7 g/cm³ - Less Dense

Takes up 71% of Earth’s Surface

OCEANIC CRUST

7 - 10 KM

Basaltic, heavier, and composed of magnesium silicates

2.9 g/cm³ More Dense

Takes up 29% of Earth’s Surface

MANTLE

2900 KM

Ferro Magnesium Silicate Rocks

Top Layer - 900C

Lower Layer - 1000C - 3700C

Takes up 80% of Earth’s Mass

OUTER CORE

2270 KM

Molten Nickel and Iron

3700C - 4300C

Liquid

INNER CORE

1220 KM

Solid Iron

6000C

Solid