Articles for tag: ancient rocks, Canadian geology, Earth History, Earth oldest rocks, Geochemistry, Geology, Origin of Life

Spaghetti Rock

4.16 Billion-Year Canadian Rocks Reveal Earth’s Earliest Secrets

Suhail Ahmed

A stretch of streaked grey rock in a remote, windy part of northern Quebec has sparked one of geology’s most heated debates. The Nuvvuagittuq Greenstone Belt (NGB) is a rough outcrop on the eastern shore of Hudson Bay. It may have the oldest intact rocks on Earth, dating back an incredible 4.16 billion years14. If ...

New Evidence Links Volcanic Winters to the Dawn of Dinosaur Dominance

Jan Otte

New research reveals that rapid, sulfur-heavy volcanic eruptions plunged Earth into deadly cold snaps, wiping out competitors and giving insulated dinosaurs an unexpected edge. For decades, scientists believed that rising carbon dioxide levels from ancient supervolcanoes slowly cooked the planet, triggering the end-Triassic extinction 201 million years ago. But a groundbreaking study published in Proceedings ...