Search results
Results from the WOW.Com Content Network
The mid-ocean ridges of the world are connected and form the Ocean Ridge, a single global mid-oceanic ridge system that is part of every ocean, making it the longest mountain range in the world. The continuous mountain range is 65,000 km (40,400 mi) long (several times longer than the Andes , the longest continental mountain range), and the ...
The Mid-Atlantic Ridge is a mid-ocean ridge (a divergent or constructive plate boundary) located along the floor of the Atlantic Ocean, and part of the longest mountain range in the world. In the North Atlantic, the ridge separates the North American from the Eurasian plate and the African plate , north and south of the Azores triple junction .
Undersea mountain ranges are mountain ranges that are mostly or entirely underwater, and specifically under the surface of an ocean. If originated from current tectonic forces, they are often referred to as a mid-ocean ridge. In contrast, if formed by past above-water volcanism, they are known as a seamount chain.
Before 2002 Explorer Ridge was the least explored of the northeast Pacific spreading centers, even though it was known to have robust hydrothermal activity and is seismically active. [3] Along the Southern Explorer Ridge lies a large hydrothermal vent area called Magic Mountain. It is an unusual hydrothermal site, with its off-axis location and ...
The Juan de Fuca Ridge is a mid-ocean spreading center and divergent plate boundary located off the coast of the Pacific Northwest region of North America, named after Juan de Fuca. The ridge separates the Pacific Plate to the west and the Juan de Fuca Plate to the east. It runs generally northward, with a length of approximately 500 kilometres ...
The southern wall of the transform valley is crowned by one of the longest and highest transverse ridges of the entire mid-ocean ridge system. This narrow ridge must have risen as a single vertical slab 6.6 million years ago. Up to three million years ago the ridge was at or even above sealevel. Later it subsided to its present depth of 450 meters.
Project FAMOUS (French-American Mid-Ocean Undersea Study [1]) was the first-ever marine scientific exploration by manned submersibles of a diverging tectonic plate boundary on a mid-ocean ridge. It took place between 1971 and 1974, with a multi-national team of scientists concentrating numerous underwater surveys on an area of the Mid-Atlantic ...
At nearly 60,000 km long, the mid-ocean ridge is an extensive chain of underwater volcanic mountains that spans the globe. [30] Centralized in the oceans, this unique geological formation houses a collection of ridges , rifts, fault zones , and other geological features.