Greenstone Belts: Metamorphosed Rock Zones in Ancient Cratons
Explore greenstone belts, ancient metamorphosed rock zones in cratons rich in geological history and valuable mineral deposits.
geological formations
The Archean Eon: A Geological Era from 4031 to 2500 Million Years Ago
Explore the Archean Eon, a key geological era from 4031 to 2500 million years ago, marking Earth’s early crust formation and emergence of primitive life.