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Daniell Peninsula () is the large peninsula between Cape Daniell and Cape Jones on the coast of
Victoria Land Victoria Land is a region in eastern Antarctica which fronts the western side of the Ross Sea and the Ross Ice Shelf, extending southward from about 70°30'S to 78th parallel south, 78°00'S, and westward from the Ross Sea to the edge of the Ant ...
, Antarctica. It is an elongated basalt dome similar to
Adare Peninsula The Adare Peninsula (), is a high ice-covered peninsula, long, in the northeast part of Victoria Land, extending south from Cape Adare to Cape Roget. The peninsula was named by the New Zealand Antarctic Place-Names Committee (NZ-APC) for Cape Ad ...
and
Hallett Peninsula The Hallett Peninsula () is a triangular, dome-shaped peninsula, long, with cliffs on its eastern seaboard side and on its west side. The peninsula extends from Cape Hallett to Cape Wheatstone and is joined to the mainland by a narrow ridge bet ...
and rises to . It is partly separated from the
Victory Mountains The Victory Mountains () are a major group of mountains in Victoria Land, Antarctica, about long and wide, which is bounded primarily by Mariner and Tucker glaciers and the Ross Sea. They are north of the Mountaineer Range, east of the Freyber ...
by Whitehall Glacier, which is afloat in its lower reaches, but is joined to these mountains by the higher land in the vicinity of Mount Prior. It was named by the
New Zealand Geological Survey Antarctic Expedition The New Zealand Geological Survey Antarctic Expedition (NZGSAE) describes a series of scientific explorations of the continent Antarctica. The expeditions were notably active throughout the 1950s and 1960s. Features named by the expeditions 19 ...
(NZGSAE), 1957–58, after Cape Daniell, and by analogy with the
Adare Adare (; ) is a village in County Limerick, Ireland, located southwest of the city of Limerick. Adare is designated as a heritage town by the Irish government. The village is in a townland and civil parish of the same name. History The River M ...
and Hallett peninsulas.


Geology

The Daniell Peninsula consists of at least four overlapping
shield volcano A shield volcano is a type of volcano named for its low profile, resembling a shield lying on the ground. It is formed by the eruption of highly fluid (low viscosity) lava, which travels farther and forms thinner flows than the more viscous lava ...
es that form 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 resu ...
. Mount Brewster forms the central portion of the Daniell Peninsula and rises to an elevation of , forming the highest point on the peninsula. K–Ar or Rb–Sr dating has given an age of 12.4 ± 0.2 million years for Mount Brewster pantelleritic
trachyte Trachyte () is an extrusive igneous rock composed mostly of alkali feldspar. It is usually light-colored and aphanite, aphanitic (fine-grained), with minor amounts of mafic minerals, and is formed by the rapid cooling of lava (or shallow intrus ...
and an age of 6.9 ± 0.3 million years for Mount Brewster
hawaiite Hawaiite is an olivine basalt with a composition between alkali basalt and mugearite. It was first used as a name for some lavas found on the island of Hawaii. It occurs during the later stages of volcanic activity on oceanic islands such as Ha ...
lava. A second shield volcano forming the southern end of the peninsula is deeply dissected by the
Mandible Cirque Mandible Cirque is a cirque indenting the coast of Daniell Peninsula west-south-west of Cape Phillips, in Victoria Land, Antarctica. It was named in 1966 by the New Zealand Antarctic Place-Names Committee for its appearance in plan and oblique ...
. It contains the small satellite vent of Tousled Peak and the prominent ice-draped cone-like peak of Mount Lubbock. A dike cutting Mandible Cirque
comenditic Comendite is a hard, peralkaline igneous rock, a type of light blue grey rhyolite. Phenocrysts are sodic sanidine with minor albite and bipyramidal quartz. Iddings, Joseph Paxson, 1913, ''Igneous rocks: composition, texture and classification'', v ...
trachyte has given an age of 9.5 ± 0.1 million years. The Cape Daniell shield volcano at the northern end of the Daniell Peninsula has an elevation of , with its highest point being an unnamed peak. The summit area contains a flat region several kilometres wide that might be a small ice-filled
caldera A caldera ( ) is a large cauldron-like hollow that forms shortly after the emptying of a magma chamber in a volcanic eruption. An eruption that ejects large volumes of magma over a short period of time can cause significant detriment to the str ...
. Cape Daniell trachyte lava has an age of 5.8 ± 0.1 million years while Cape Daniell
benmoreite Benmoreite is a volcanic rock of intermediate composition. It is a silica-undersaturated sodium-rich variety of trachyandesite (the other kind is latite) and belongs to the alkaline suite of igneous rocks. It was named after Ben More, a mount ...
lava has an age of 5.6 ± 0.5 million years.


Geography

The Daniell Peninsula extends along the west coast of 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 ...
to the east of the
Victory Mountains The Victory Mountains () are a major group of mountains in Victoria Land, Antarctica, about long and wide, which is bounded primarily by Mariner and Tucker glaciers and the Ross Sea. They are north of the Mountaineer Range, east of the Freyber ...
. The
Borchgrevink Glacier Borchgrevink Glacier () is a large glacier in the Victory Mountains, Victoria Land, Antarctica. It drains south between Malta Plateau and Daniell Peninsula, and thence projects into Glacier Strait (Antarctica), Glacier Strait, Ross Sea, as a floa ...
flows down the southwestern coast of the peninsula, from which it is fed by the
Langevad Glacier Borchgrevink Glacier () is a large glacier in the Victory Mountains, Victoria Land, Antarctica. It drains south between Malta Plateau and Daniell Peninsula, and thence projects into Glacier Strait, Ross Sea, as a floating glacier tongue. Expl ...
and the
Bargh Glacier Borchgrevink Glacier () is a large glacier in the Victory Mountains, Victoria Land, Antarctica. It drains south between Malta Plateau and Daniell Peninsula, and thence projects into Glacier Strait, Ross Sea, as a floating glacier tongue. Expl ...
. Mount Prior looks over the point where the
Humphries Glacier Borchgrevink Glacier () is a large glacier in the Victory Mountains, Victoria Land, Antarctica. It drains south between Malta Plateau and Daniell Peninsula, and thence projects into Glacier Strait, Ross Sea, as a floating glacier tongue. Expl ...
flowing southwest joins the Borchgrevink Glacier. The Humphries Glacier is saddled with the Whitehall Glacier, which flows north from below Mount Brewster along the east coast of the peninsula to enter
Tucker Inlet Tucker Glacier () is a major valley glacier of Victoria Land, Antarctica, about long, flowing southeast between the Admiralty Mountains and the Victory Mountains to the Ross Sea. There is a snow saddle at the glacier's head, just west of Homerun ...
at the north of the peninsula. Cape Jones is the southernmost point of the Peninsula. North of Cape Jones are Mount Lubbock, Touried Peak, Narrow Neck, the Mandible Cirque and Cape Phillips. Cape Daniell on the northeast of the peninsula marks the mouth of the Tucker Inlet, opposite
Cape Wheatstone The Hallett Peninsula () is a triangular, dome-shaped peninsula, long, with cliffs on its eastern seaboard side and on its west side. The peninsula extends from Cape Hallett to Cape Wheatstone and is joined to the mainland by a narrow ridge bet ...
on the
Hallett Peninsula The Hallett Peninsula () is a triangular, dome-shaped peninsula, long, with cliffs on its eastern seaboard side and on its west side. The peninsula extends from Cape Hallett to Cape Wheatstone and is joined to the mainland by a narrow ridge bet ...
to the north.


Features

Named features of the Daniell Peninsula include:


Mount Prior

. A mountain, high, about west of Mount Brewster, rising at the head of Whitehall Glacier in the west part of Daniell Peninsula. Named by
New Zealand Geological Survey Antarctic Expedition The New Zealand Geological Survey Antarctic Expedition (NZGSAE) describes a series of scientific explorations of the continent Antarctica. The expeditions were notably active throughout the 1950s and 1960s. Features named by the expeditions 19 ...
(NZGSAE), 1957–58, for George T. Prior of the Mineral Department, British Museum, who studied and analyzed the rocks obtained from this region by the
British National Antarctic Expedition The ''Discovery'' Expedition of 1901–1904, known officially as the British National Antarctic Expedition, was the first official British exploration of the Antarctic regions since the voyage of James Clark Ross sixty years earlier (1839–1 ...
(BrNAE), 1901-04.


Mount Brewster

. A small peak, high, that rises above the general level of the central part of Daniell Peninsula and marks its greatest elevation. Named in 1841 by Sir
James Clark Ross Sir James Clark Ross (15 April 1800 – 3 April 1862) was a British Royal Navy officer and explorer of both the northern and southern polar regions. In the Arctic, he participated in two expeditions led by his uncle, Sir John Ross, John ...
for Sir
David Brewster Sir David Brewster Knight of the Royal Guelphic Order, KH President of the Royal Society of Edinburgh, PRSE Fellow of the Royal Society of London, FRS Fellow of the Society of Antiquaries of Scotland, FSA Scot Fellow of the Scottish Society of ...
, Scottish physicist.


Cape Jones

. The cape lying immediately southeast of Mount Lubbock and marking the south tip of Daniell Peninsula. Discovered in January 1841 by Sir James Clark Ross who named it for Captain William Jones, Royal Navy.


Mount Lubbock

. A coastal peak, high, rising immediately north of Cape Jones at the south end of Daniell Peninsula. Discovered in January 1841 by Sir James Clark Ross who named it for
Sir John Lubbock John Lubbock, 1st Baron Avebury (30 April 1834 – 28 May 1913), known as Sir John Lubbock, 4th Baronet, from 1865 until 1900, was an English banker, Liberal politician, philanthropist, scientist and polymath. Lubbock worked in his family comp ...
, treasurer of the Royal Society.


Touried Peak

. Small ice-covered peak, high, situated northwest of the summit of Mount Lubbock in the south end of Daniell Peninsula, Victoria Land. The name given by
New Zealand Antarctic Place Names Committee New Zealand Antarctic Place-Names Committee (NZ-APC) is an adjudicating committee established to authorize the naming of features in the Ross Dependency on the Antarctic continent. It is composed of the members of the New Zealand Geographic Board pl ...
(NZ-APC) in 1966 is descriptive of the exceptionally broken ice summit.


Narrow Neck

. A narrow, but elevated isthmus or neck of land between Langevad Glacier and Mandible Cirque in the south part of Daniell Peninsula. The feature serves to join Tousled Peak and the Mount Lubbock vicinity to the main mass of Daniell Peninsula. The descriptive name was applied by NZ-APC in 1966.


Mandible Cirque

. A spectacular cirque indenting the coast of Daniell Peninsula west-southwest of Cape Phillips. Named in 1966 by the NZ-APC for its appearance in plan and oblique views.


Cape Phillips

. A cape approximately midway along the east side of Daniell Peninsula, southeast of Mount Brewster. Discovered in January 1841 by Sir James Clark Ross who named it for Lieutenant Charles G. Phillips of the Terror.


Cape Daniell

. A cape at the northeast extremity of Daniell Peninsula which marks the south side of the entrance to Tucker Inlet. Discovered, January 15, 1841, by Sir James Clark Ross who named it for Professor
John Frederic Daniell John Frederic Daniell (12 March 1790 – 13 March 1845) was an England, English chemist and physicist. Biography Daniell was born in London. In 1831 he became the first professor of chemistry at the newly founded King's College London; and in ...
, chemist of King's College, Cambridge University, and Foreign Secretary of the Royal Society.


References


Sources

* * * {{Include-USGov , agency=United States Geological Survey Peninsulas of Victoria Land Borchgrevink Coast Volcanoes of Victoria Land Miocene shield volcanoes Shield volcanoes of Antarctica