Carlsberg Ridge

The Carlsberg Ridge is the northern section of the Central Indian Ridge, a divergent tectonic plate boundary between the African plate and the Indo-Australian plate, traversing the western regions of the Indian Ocean.

The ridge of which the Carlsberg Ridge is a part extends northward from a triple point junction near the island of Rodrigues (the Rodrigues Triple Point) to a junction with the Owen fracture zone. The ridge started its northwards propagation in the late Maastrichtian and reached the incipient Arabian Sea in the Eocene. Then it continued to accrete basalt but did not propagate for nearly 30 Ma. Then, in the early Miocene it started to propagate westwards towards the Afar hot spot, opening the Gulf of Aden.^[1]

The Carlsberg Ridge is seismically active, with a major earthquake being recorded by the United States Geological Survey at 7.6 on the moment magnitude scale on July 15, 2003.^[2]

The submarine ridge was discovered by the Danish research vessel Dana during the Carlsberg Foundation's Oceanographic Expedition around the world (1928–1930), better known as the 2nd Dana Expedition, and named after the Carlsberg Foundation, which funded the entire expedition and subsequent analysis and publication of results.^[3]^[4]

Notes

^ Stein, C.A.; Cochran, J.R. (1985). "The transition between the Sheba Ridge and Owen Basin: rifting of old oceanic lithosphere". Geophys. J. R. Astron. Soc. 81 (1): 47–74.
^ "M 7.6 – Carlsberg Ridge". United States Geological Survey.
^ Earth and Space (The Open University, 2007), p. 222 and "NGA: Undersea Features History". National Geospatial-Intelligence Agency. Archived from the original on 2013-07-09. Retrieved 2013-12-01.
^ Wolff, Torben (1967). Danish Expeditions on the Seven Seas. Copenhagen: Rhodos.

External links

This tectonics article is a stub. You can help Wikipedia by expanding it.

[1] Stein, C.A.; Cochran, J.R. (1985). "The transition between the Sheba Ridge and Owen Basin: rifting of old oceanic lithosphere". Geophys. J. R. Astron. Soc. 81 (1): 47–74.

[2] "M 7.6 – Carlsberg Ridge". United States Geological Survey.

[3] Earth and Space (The Open University, 2007), p. 222 and "NGA: Undersea Features History". National Geospatial-Intelligence Agency. Archived from the original on 2013-07-09. Retrieved 2013-12-01.

[4] Wolff, Torben (1967). Danish Expeditions on the Seven Seas. Copenhagen: Rhodos.

[1]

v t e Tectonic plates
Major plates	African Antarctic Eurasian Indo-Australian Australian Indian North American Pacific South American
Minor plates	Amurian Arabian Burma Caribbean Caroline Cocos Indian Nazca New Hebrides Okhotsk Philippine Scotia Somali Sunda Yangtze
Microplates	Adriatic Aegean Sea Anatolian Balmoral Reef Banda Sea Bird's Head Capricorn Coiba Conway Reef Explorer Futuna Galápagos Gonâve Gorda Greenland Halmahera Iberian Iranian Juan de Fuca Juan Fernández Kerguelen Kermadec Lwandle Madagascar Malpelo Manus Maoke Mariana Molucca Sea Niuafo’ou North Andes North Bismarck North Galápagos Okinawa Panama Pelso Philippine Mobile Belt Rivera Rovuma Sangihe Seychelles Shetland Solomon Sea South Bismarck South Sandwich Timor Tisza Tonga Trobriand Victoria Woodlark
Ancient plates	Baltic Bellingshausen Charcot Cimmeria Farallon Insular Intermontane Izanagi Kula Lhasa Malvinas Moa Phoenix Kshiroda
Oceanic ridges	Aden Ridge Carlsberg Ridge Central Indian Ridge Chile Ridge Cocos Ridge East Pacific Rise Explorer Ridge Gakkel Ridge Galápagos Spreading Center Gorda Ridge Juan de Fuca Ridge Mid-Atlantic Ridge Knipovich Ridge Kolbeinsey Ridge Mohns Ridge Reykjanes Ridge Pacific–Antarctic Ridge South American–Antarctic Ridge Southeast Indian Ridge Southwest Indian Ridge
Ancient oceanic ridges	Aegir Ridge Alpha Ridge Antarctic–Phoenix Ridge Kula–Farallon Ridge Mid-Labrador Ridge Pacific–Farallon Ridge Pacific–Kula Ridge
Geology portal List Category Commons