oceanic ridge

The effect would have been similar to that seen in the Earth's oceanic ridges.

"The price we pay for working in an oceanic ridge.

"The Storm King oil platform is built above just such an oceanic ridge."

It has been observed that He is present in volcano emissions and oceanic ridge samples.

So, still the question remained: how can new crust be continuously added along the oceanic ridges without increasing the size of the Earth?

Divergent boundaries can create massive fault zones in the oceanic ridge system.

It is continuously being created at oceanic ridges.

Olivine basalt from the oceanic ridge erupted around 17 Ma and extension began.

Rifts are oceanic ridges formed when tectonic plates separate and a new crust is created.

Melt generation at very slow-spreading oceanic ridges: constraints from geochemical and geophysical data.

There was no continental drift, no tectonic cycling, no oceanic ridges.

Thus, the oceanic ridges are sites of intense seismic activity: a huge number of earthquakes occur along and beneath them.

A profound consequence of seafloor spreading is that new crust was, and still is, being continually created along the oceanic ridges.

"We had already completed a very successful cruise studying the geological evolution of oceanic ridge crests when we found the glow.

The youngest oceanic lithosphere is at the oceanic ridges, and it gets progressively older away from the ridges.

No global system of oceanic ridges, subduction troughs and mountain ranges at continental borders has been seen at the 30-km resolution achieved by the Orbiter.

This could be associated by the spreading of the Mid-Indian Oceanic ridge and the East African rift.

Another factor contributing to the guyots being underwater has to do with the oceanic ridges, such as the Mid-Atlantic Ridge in the Atlantic Ocean.

This type of oceanic ridge is characteristic of what is known as an oceanic spreading center, which is responsible for seafloor spreading.

If the Earth's crust was expanding along the oceanic ridges, Hess and Dietz reasoned like Holmes and others before them, it must be shrinking elsewhere.

To sum up, remember that basalts are produced at constructive plate margins (oceanic ridges) and andesites at destructive margins (such as the 'Ring of Fire' type).

The sulphides are found around volcanic hot springs, especially in the western Pacific Ocean, while the crusts occur on oceanic ridges and elsewhere at several locations around the world.

It was obvious that oceanic crust must be continually destroyed somewhere at a rate comparable with that of its creation at the oceanic ridges in order to maintain a balance.

This revision includes 28 additional regions, which were defined by subdividing larger regions to provide better coverage for Northwest Africa, Southeast Asia and seismic zones along oceanic ridges.

The Chile Rise or Chile Ridge is an oceanic ridge, a tectonic divergent plate boundary between the Nazca and Antarctic Plates.