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zircon crystal dating
2 posts
Antarctica has a huge, completely hidden mountain range. New data reveals its birth over 500 million years ago
The Gamburtsev Subglacial Mountains are hidden by deep ice. Merkushev Vasiliy/Shutterstock Jacqueline Halpin, University of Tasmania and Nathan…
What To Look For In 4-Billion-Year-Old Rock
Ultra-durable crystals called zircons, found in ancient rocks, preserve chemical clues that date back over 4 billion years—revealing…