Crusty Old Australia

SCIENCE Australia holds the oldest continental crust on Earth, researchers have confirmed, rocks some 4.4 billion years old. (National Geographic News) Use our resources to learn more about the oldest stuff on Earth, and our planet’s other extremes. Discussion Ideas The new study suggests the Jack Hills zircons were part of Earth’s primitive crust, formed about 100 million years after the Earth itself. So, what … Continue reading Crusty Old Australia