Gems in 4.3-billion-year-old zircon baffle geologists.
Diamonds have been found in some of Earth’s oldest rocks, dating back to 4.3 billion years ago.
Diamonds found in Earth’s oldest cystals
Gems in 4.3-billion-year-old zircon baffle geologists.
Diamonds have been found in some of Earth’s oldest rocks, dating back to 4.3 billion years ago.
Leave a Reply