It is considered the source region of mid-ocean ridge basalt.

In 1977, volcanic fissures were discovered along the mid-ocean ridge.

The great mid-ocean ridge runs forty thousand miles around the globe.

As these two plates pulled apart eventually a mid-ocean ridge formed.

It is part of a world-wide system of mid-ocean ridges.

The level of activity seen is similar to a superfast spreading mid-ocean ridge on Earth.

New plate material is ejected volcanically at long mid-ocean ridges.

"If life could have evolved in or near the mid-ocean ridge hydrothermal systems," they said, "then it probably began there."

There was a mid-ocean ridge in the middle of the Panthalassic Ocean.

A mid-ocean ridge is an underwater mountain system.

Some of the largest volcanoes are on divergent boundaries, which form the mid-ocean ridges.

Mid-ocean ridges are generally submerged deep in the ocean.

These processes are well understood at mid-ocean ridges, where most of Earth's volcanism occurs.

It existed throughout the mid-Cretaceous period and consisted of three mid-ocean ridges.

It has long been known that lava is rising into the mid-ocean ridges as the oceans spread apart.

Magmas erupted at mid-ocean ridges are derived from the upper mantle.

Mid-ocean ridges are broken into segments offset from each other by transform faults.

Most submarine eruptions occur at mid-ocean ridges and near hotspots.

A major source of eruptions is mid-ocean ridges along which the sea floors are or were pulled apart.

A mid-ocean ridge marks the boundary between two tectonic plates which are moving apart.

InterRidge serves as a "clearinghouse" for information on mid-ocean ridge research across the globe.

Hekla is located on the mid-ocean ridge, a diverging plate boundary.

The mid-ocean ridge systems form new oceanic crust.

This is the first reported evidence for direct magmatic-hydrothermal interaction on a slow-spreading mid-ocean ridge.

Both of these rifting arms are below sea level and are similar to a mid-ocean ridge.