#20

3D Model

Age: 2057 Ma

Geon: 20

Timescale (Eon/Era/Period): Proterozoic/Paleoproterozoic

Rock type: Igneous (plutonic)

Rock name: Magnetitite

Major minerals: magnetite, plagioclase, trace biotite

Locality: Bushveld, South Africa

Comment: magnetitite layers in the Bushveld Complex, the world’s largest layered intrusion.

Rocks Through Geological Time Activity (EOSC220 Introductory Mineralogy, UBC)