Brazilian Miners' Drill Brings up Clues to 2.5-Billion-Year-Old Earth (IMAGE)

University of Maryland

Brazilian Miners' Drill Brings up Clues to 2.5-Billion-Year-Old Earth

Caption

Gold miners prospecting in a mountainous region of Brazil drilled this 590-foot cylinder of bedrock from the Neoarchaean Eon, which provides rare evidence of conditions on Earth 2.5 billion years ago.

Credit

Alan J. Kaufman

Usage Restrictions

None

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.