mantle

Flawed, Precious Stones Carry Clues From Deep in the Mantle

Natural processes that move carbon through Earth, like plate tectonics, subduction, and volcanic…

Compared to other types of volcanic rocks that erupt at Earth’s surface, kimberlites are unique.…

When studying the deep carbon cycle, scientists can’t afford to discount the actions of water,…

Many questions remain about Earth’s formation around 4.6 billion years ago. Why does Earth store so…

Microscopic pockets of fluid trapped in diamonds from deep below Earth’s surface are providing new…

Since the 1960s, scientists have accepted that mantle convection—the lava lamp-like churning of…

The longevity of Earth’s continents in the face of destructive tectonic activity is an essential…

Diamonds are found in two types of rocks from Earth’s mantle: peridotite and eclogite. Peridotite…

In the first 100 million years after the formation of the solar system, another planetary body…

About 4.6 billion years ago, meteorites and other ancient building blocks began to coalesce to form…