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The Antarctic–Phoenix Ridge, also called the Phoenix Ridge, is an extinct mid-ocean ridge that consisted of three spreading ridge segments between the Antarctic Peninsula and the Scotia Sea. It initiated during the Late Cretaceous–Early Tertiary when the Phoenix plate had divergent boundaries with the Bellingshausen and Pacific plates. Spreading along the Antarctic–Phoenix Ridge had ceased entirely by 3.3 million years ago when the small remnant of the Phoenix Plate was incorporated into the Antarctic Plate.

See also

• List of oceanic ridges

References

1. Eagles, G. (2003). "Tectonic evolution of the Antarctic–Phoenix plate system since 15 Ma" (PDF). Earth and Planetary Science Letters. 217 (1–2): 97–109. doi:10.1016/s0012-821x(03)00584-3. Retrieved February 25, 2017.

v t e Mid-ocean ridges
Present	Central Indian Chile East Pacific Explorer Gakkel Gorda Juan de Fuca Mid-Atlantic Pacific-Antarctic South American-Antarctic Southeast Indian Southwest Indian
Former	Aegir Alpha Antarctic-Phoenix Kula-Farallon Mid-Labrador Osbourn Trough Pacific-Farallon Pacific-Kula
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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
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59°37′18″S 59°37′18″W / 59.62167°S 59.62167°W / -59.62167; -59.62167

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