Study shows South Africa, India and Australia shared similar volcanic activity 3.5 billion years ago

Thursday, June 8, 2023 - 15:53 in Earth & Climate

Cratons are pieces of ancient continents that formed several billions of years ago. Their study provides a window as to how processes within and on the surface of Earth operated in the past. Cratons preserve relics of our young Earth as they host a variety of rock assemblages such as greenstones and granites. Greenstones are rock assemblages that are primarily composed of sub-marine volcanic rocks with minor sedimentary rocks. They are the best archives to study early Earth surface processes.

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