Main Crater

Main Crater (77°32′S 167°10′E) is the topographic feature that rises to about 3,750 metres (12,300 ft) and forms the primary summit crater of Mount Erebus on Ross Island, Antarctica. Inner Crater, which lies within Main Crater, contains an anorthoclase–phonolite lava lake.[1]

References
  1. "Main Crater". Geographic Names Information System. United States Geological Survey. Retrieved 2013-07-29.

 This article incorporates public domain material from the United States Geological Survey document: "Main Crater". (content from the Geographic Names Information System)


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