Joseph Reese


Edinboro University of Pennsylvania

Workshop Participant, Website Contributor

Website Content Contributions

Other Contribution (1)

What is the significance of the Jack Hills zircons? part of Early Earth:Key Questions about the Early Earth
Submitted by Joseph Reese, Edinboro University of Pennsylvania Why is this important? Up to 4.4 billion years old, zircon grains are the oldest earth materials discovered. What we know... The Jack Hills zircons ...