Seismic waves from earthquakes have always offered a window into Earth’s hidden interior. For decades, researchers believed ...

Mid-ocean ridge basalts (MORBs), located far from subduction zones, are typically thought to be unaffected by subduction ...

Deep beneath the surface of our planet, from the Himalayas to East Africa and from the Atlantic seafloor to the Indian Ocean, ...

Beneath the turquoise waters of the South Pacific hides a massive secret—Zealandia, a sunken landmass stretching nearly two ...

Subduction zones are an excellent place ... which have varied due to changes in the amount of strontium put into the oceans from the continents (radiogenic) versus the mantle (unradiogenic).

Six of the majors are named for the continents embedded within ... boundaries also occur where a plate of ocean dives, in a process called subduction, under a landmass. As the overlying plate ...

These shifts pushed Zealandia away from its neighbors, setting the stage for its quiet descent beneath the ocean’s surface. Unlike nearby continents, Zealandia didn’t stay afloat. During the ...