Composition of the Earth

Mineralogical model of Earth. Figure from doi: 10.1126/science.1261887.

crust

upper mantle

• olivine
• pyroxene
• garnet

transition zone

• ringwoodite
• wadsleyite
• majorite

lower mantle

• bridgmanite
• ferropericase

D” layer

outer core

• liquid iron alloy

inner core

• Solid iron alloy