LAYERS OF THE EARTH INFORMATION SHEET
Oceanic Crust
-Approximately 5 km thick
-Mainly composed of basalt rock
-Solid, rigid state of matter
Continental Crust
-Approximately 30-40 km thick
-Mainly composed of granite rock
-Solid, rigid state of matter
Lithosphere
-Approximately 0-200 km thick
-Solid, rigid state of matter
-Includes both the crust and the upper mantle
Upper Mantle
-Approximately 400-650 km thick
-Mainly composed of the minerals olivine, pyroxene, and garnet
-Solid, rigid state of matter
Asthenosphere
-Approximately 100-700 km thick
-Composed of molten rock
-Solid, flowing state of matter
Lower Mantle
-Approximately 2240 km thick
-Composed of iron rich rock
-Solid, semi rigid state of matter
-Approximately 2000 degrees Celsius
Outer Core
-Approximately 2250 km thick
-Composed of molten iron and nickel
-Liquid state of matter
-Approximately 5000 degrees Celsius
Inner Core
-Approximate diameter of 1200 km
-Composed of solid iron and nickel
-Solid, dense state of matter
-Approximately 7000 degrees Celsius