Mount Vernon Harcourt, also unofficially known as Mount Harcourt, is a conical
stratovolcano,
that rises over 1,535 meters,
making up part of the
Hallett Peninsula extending into the
Ross Sea
The Ross Sea is a deep bay of the Southern Ocean in Antarctica, between Victoria Land and Marie Byrd Land and within the Ross Embayment, and is the southernmost sea on Earth. It derives its name from the British explorer James Clark Ross who ...
about south of
Mount Erebus
Mount Erebus () is the second-highest volcano in Antarctica (after Mount Sidley), the highest active volcano in Antarctica, and the southernmost active volcano on Earth. It is the sixth-highest ultra mountain on the continent.
With a summ ...
, along with three overlapping
shield volcanoes.
The mountain was discovered in January 1841 by
Sir James Clark Ross
Sir James Clark Ross (15 April 1800 – 3 April 1862) was a British Royal Navy officer and polar explorer known for his explorations of the Arctic, participating in two expeditions led by his uncle John Ross, and four led by William Edwa ...
and named by him for the Reverend
William Vernon Harcourt, one of the founders of the
British Association
The British Science Association (BSA) is a charity and learned society founded in 1831 to aid in the promotion and development of science. Until 2009 it was known as the British Association for the Advancement of Science (BA). The current Chie ...
.
Mount Vernon Harcourt is part of the Hallett Volcanic Province of the
McMurdo Volcanic Group
The McMurdo Volcanic Group is a large group of Cenozoic volcanic rocks in the western Ross Sea and central Transantarctic Mountains areas of Antarctica. It is one of the largest provinces of alkaline volcanism in the world, having formed as a res ...
. Two dates have been obtained from the volcano's rock, roughly 5.5 and 6.6 million years in age. These samples are
alkalic in composition.
See also
*
List of volcanoes in Antarctica
This is a list of volcanoes in Antarctica.
Table
A 2017 study claimed to have found 138 volcanoes, of which 91 were previously unknown. Some volcanoes are entirely under the ice sheet. Unconfirmed volcanoes are not included in the table below.
...
References
Stratovolcanoes of New Zealand
Volcanoes of Victoria Land
Miocene stratovolcanoes
Borchgrevink Coast
Stratovolcanoes of Antarctica
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