# Mount Overlord

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> Source: https://en.wikipedia.org/wiki/Mount_Overlord
> Source revision: 1355905157
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{{short description|Mountain in Ross Dependency, Antarctica}}
{{Infobox mountain
 | name           = Mount Overlord
 | image          = MountOverlord.jpg
 | image_caption  = Aerial view of Mount Overlord from the southwest
 | elevation_m    = 3395
 | elevation_ref  = 
 | prominence_m   = 
 | prominence_ref = 
 | range          = 
 | parent_peak    = 
 | listing        = 
 | location       = [Victoria Land](/source/Victoria_Land), [Antarctica](/source/Antarctica)
 | map            = Antarctica
 | coordinates    = {{Coord|73|10|S|164|36|E|type:mountain|display=inline,title}}
 | topo           = 
 | type           = [Stratovolcano](/source/Stratovolcano) (extinct)
 | volcanic_belt  = [McMurdo Volcanic Group](/source/McMurdo_Volcanic_Group)
 | age            = 7,000,000 years
 | last_eruption  = Miocene
 | first_ascent   = 
 | easiest_route  = 
}}

'''Mount Overlord''' is a very large [mountain](/source/mountain) which is an extinct [stratovolcano](/source/stratovolcano), situated at the northwest limit of [Deception Plateau](/source/Deception_Plateau), 50 miles inland from the [Ross Sea](/source/Ross_Sea) and just east of the head of [Aviator Glacier](/source/Aviator_Glacier) in [Victoria Land](/source/Victoria_Land). Its asymmetrical cone is on the edge of a plateau above [Aviator Glacier](/source/Aviator_Glacier). While most of the cone is ice-covered, Mount Overlord does have a {{convert|1.2|mi|km|abbr=off|sp=us|adj=on}} diameter caldera. Volcanic rocks from the western slope have been dated to about seven million years, so the volcano is thought to be extinct.

It was so named by the northern party of [New Zealand Geological Survey Antarctic Expedition](/source/New_Zealand_Geological_Survey_Antarctic_Expedition) (NZGSAE), 1962–63, because it "overlords" lesser peaks in the area.

thumb|none|250px|Topographic map of Mount Overlord (1:250,000 scale)

==See also==
* [List of volcanoes in Antarctica](/source/List_of_volcanoes_in_Antarctica)

==Sources==
* {{cite book | editor1 = LeMasurier, W. E. | editor2 = Thomson, J. W.
  | title = Volcanoes of the Antarctic Plate and Southern Oceans | publisher = [American Geophysical Union](/source/American_Geophysical_Union)
  | year = 1990 | isbn = 0-87590-172-7 }}
* {{Ski Mountaineering}}

{{usgs-gazetteer}}

{{DEFAULTSORT:Overlord, Mount}}
Category:Three-thousanders of Antarctica
Category:Volcanoes of Victoria Land
Category:Mountaineer Range
Category:Extinct volcanoes
Category:Miocene stratovolcanoes
Category:Borchgrevink Coast
Category:Stratovolcanoes of Antarctica

{{BorchgrevinkCoast-geo-stub}}

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Adapted from the Wikipedia article [Mount Overlord](https://en.wikipedia.org/wiki/Mount_Overlord) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Mount_Overlord?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.