Skip to content The crust expands at mid-ocean rifts. But how? One of the central features of plate tectonics is […]
Category: plate tectonics
The missing 500 million: Cosmic bombardment melted Earth’s first crust
The heat of the Hadean may have come from impacts as well as the interior. Earth is the only planet […]
New paper argues history, not mantle plume, powers Yellowstone
A now-vanished plate under North America may open the crust below Yellowstone. Grand Prismatic Spring Yellowstone National Park Credit: Deb […]
How did eastern North America form?
Collisions hold lessons for how the edges of continents are built and change over time. When Maureen Long talks to […]