Tiny minerals are revolutionizing our understanding of textbooks. Easter Island consists of several extinct volcanoes. The ...

An unexpected find in tiny crystals hints that the Earth's mantle may not quite behave as has been believed for nearly a ...

A mysterious find on Easter Island, investigated by a team of geologists, suggests that the Earth's mantle seems to behave differently than once thought.

as well as the plutonism, and show that there are several pulses of metamorphism preserved in these rocks, along with relict ages of the basement rock and xenocrysts.

Traditionally, textbooks have described the mantle as a viscous, well-mixed layer that shifts along with tectonic plates, ...

Geography textbooks describe the Earth's mantle beneath its plates as a well-mixed viscous rock that moves along with those plates like a conveyor belt. But that idea, first set out some 100 years ...