Muir Guyot

Muir Guyot is a submerged, flat-topped seamount in the Pacific Ocean. Its flattened summit shows that it was shaped near sea level before later subsiding underwater.

Geologists study it because of its distinct Cretaceous-era volcanic rock formations. Those rocks provide evidence about the seamount’s volcanic history and later geological changes.

A guyot is an underwater volcanic mountain with a relatively flat top. The flat surface commonly records erosion or reef growth near sea level before the structure sank.

It is described as a submerged seamount studied for ancient volcanic rocks, not as a currently erupting volcano. Its geological importance comes mainly from its Cretaceous history and preserved formations.