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Also known as the Romanche Trench, this fracture zone separates the North Atlantic and South Atlantic oceans. The trench reaches 7,758 m (25,453 ft) deep, is 300 km (190 mi) long, and has a width of 19 km (12 mi). The fracture zone offsets the Mid-Atlantic Ridge by more than 640 km (400 mi). [12]
The trench has been formed by the actions of the Romanche Fracture Zone, a portion of which is an active transform boundary offsetting sections of the Mid-Atlantic Ridge. [ 1 ] It was named after the French navy ship La Romanche , commanded by captain Louis-Ferdinand Martial which on 11 October 1883 made soundings that revealed the trench.
Some use the term "transform fault" to describe the seismically and tectonically active portion of a fracture zone after John Tuzo Wilson's concepts first developed with respect to the Mid-Atlantic Ridge. [2] The term fracture zone has a distinct geological meaning, but it is also used more loosely in the naming of some oceanic features.
The submarine section of the Mid-Atlantic Ridge close to southwest Iceland is known as the Reykjanes Ridge. The Mid-Atlantic Ridge runs through Iceland where the ridge is also known as the Neovolcanic Zone. In northern Iceland the Tjörnes fracture zone connects Iceland to the Kolbeinsey Ridge.
Romanche fracture zone; Romanche Trench; S. Shackleton fracture zone; Sovanco fracture zone; T. Tharp fracture zone; Tharp Fracture Zone; V. Valdivia fracture zone ...
File information Description Named fracture zones Source See Fracture zone, List of fracture zones and individual named in Wikipedia fracture zones . Date 2023-10-31 Author
President Joe Biden said a key regret of his four years in office was not taking more credit — and reminding voters — of his administration’s accomplishments, including infrastructure and ...
Strike-slip tectonics or wrench tectonics is a type of tectonics that is dominated by lateral (horizontal) movements within the Earth's crust (and lithosphere).Where a zone of strike-slip tectonics forms the boundary between two tectonic plates, this is known as a transform or conservative plate boundary.