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| Queen Alexandra Range | |
|---|---|
| Name | Queen Alexandra Range |
| Country | Antarctica |
| Region | Ross Dependency |
| Coordinates | 84°30′S 168°0′E |
| Highest | Mount Kirkpatrick |
| Elevation m | 4528 |
| Length km | 160 |
Queen Alexandra Range is a major mountain range in the Transantarctic Mountains within the Ross Dependency of Antarctica. The range contains some of the highest peaks on the continent and forms a prominent barrier between the Polar Plateau and the Ross Ice Shelf. Its geology, glaciology, and history of exploration link it to famous expeditions and institutions across the history of Antarctic research.
The range lies in the western sector of the Transantarctic Mountains adjacent to the Beardmore Glacier and the Shackleton Coast, extending roughly from the Bramlette Peak area to near Mount Elizabeth. Prominent summits include Mount Kirkpatrick, Mount Dickerson, Mount Fox, Mount Harcourt, and Mount Bishop; the range is bounded by prominent glaciers such as Lillie Glacier, Erebus Glacier, and Keltie Glacier. Nearby geographic features include the Ross Ice Shelf, the Dufek Coast, and the Queen Maud Mountains; research logistics commonly route through McMurdo Station on Ross Island and aircraft landings near Williams Field. The range’s coordinates place it within the territorial claim known as the Ross Dependency, long traversed by parties from British Antarctic Expedition (1907–09), Nimrod Expedition, and later by Commonwealth Trans-Antarctic Expedition teams.
Bedrock of the range records a history tied to the Gondwana breakup and the uplift of the Transantarctic Mountains. Rocks include ancient Precambrian metamorphic complexes, Beacon Supergroup sedimentary strata, and extensive Ferrar Dolerite sills correlated with the Karoo-Ferrar province. Fossil discoveries in Cretaceous and Triassic strata link to finds elsewhere such as those from Antarctic Peninsula localities and the Falklands-Malvinas correlations. Paleontological work by teams associated with the British Antarctic Survey, United States Antarctic Program, United States Geological Survey, and universities such as University of Wisconsin–Madison and Ohio State University revealed dinosaur fossils and plant impressions akin to those described from the Gondwanan record in Argentina and South Africa. Interpretations draw on methods developed at institutions like the Smithsonian Institution and the Naturhistorisches Museum Wien.
Glaciers draining the range — notably the Beardmore Glacier, Croll Glacier, and tributaries feeding the Ross Ice Shelf — are studied by glaciologists from programs including the Scientific Committee on Antarctic Research, National Science Foundation, and Scott Polar Research Institute. Ice-flow dynamics connect to climatic forcing recorded in ice cores from sites associated with Dome C, Dome Fuji, and Vostok Station. The cold, katabatic winds off the Antarctic Plateau shape sublimation patterns observed by teams from University of Cambridge, Columbia University, and Australian Antarctic Division. Satellite missions such as Landsat, ICESat, and CryoSat provide elevation and mass-balance data used in models by the Intergovernmental Panel on Climate Change community and by laboratories at NASA Goddard Space Flight Center.
The range was first sighted and named during the era of heroic Antarctic exploration by expeditions led by figures associated with Ernest Shackleton, Robert Falcon Scott, and Edward Adrien Wilson. The naming honors Alexandra of Denmark, consort of Edward VII, reflecting imperial-era toponymy used by British expeditions such as the Nimrod Expedition and later mapped by surveyors of the Commonwealth Trans-Antarctic Expedition and US Navy Operation Deep Freeze. Mapping and aerial photography by Ronne Antarctic Research Expedition and United States Geological Survey parties in the mid-20th century refined earlier charts; logistic support from Royal Navy vessels and US Navy aircraft underpinned field campaigns. Scientific teams from University of Canterbury and Victoria University of Wellington later led geological traverses named in the archival records of the Scott Polar Research Institute.
The extreme polar environment supports limited macroscopic life on exposed nunataks and moraines; microbial and cryptogamic communities studied by researchers from University of Otago, University of Auckland, Natural History Museum, London, and Scripps Institution of Oceanography colonize rock surfaces and cryoconite holes. Lichens, bryophytes, and extremophilic bacteria show affinities with biota cataloged by the British Antarctic Survey and the Antarctic Ecosystem Research Group. Avian visitors such as south polar skua and Antarctic petrel frequent coastal margins near the Ross Sea rather than the high range itself; marine mammals including Weddell seal and leopard seal inhabit adjacent ice shelf areas studied by the New Zealand Antarctic Programme and Australian Antarctic Division.
There are no permanent stations within the high range; nearby logistical hubs include McMurdo Station, Scott Base, and seasonal field camps established by teams from National Science Foundation (United States), UK Antarctic Heritage Trust, Italian National Antarctic Research Programme, and Japanese Antarctic Research Expedition. Fieldwork often uses aircraft from Antarctic Logistics Centre International and ice-strengthened ships such as RV Polarstern and RV Akademik Fedorov for coastal access. Scientific programs encompass geology, paleontology, glaciology, and atmospheric studies coordinated with centers like Lamont-Doherty Earth Observatory and British Antarctic Survey.
The region falls under the international regime established by the Antarctic Treaty System and measures from the Protocol on Environmental Protection to the Antarctic Treaty; site-specific management and science permits are administered by national operators including New Zealand Antarctic Programme, United States Antarctic Program, and UK Foreign, Commonwealth and Development Office. Conservation priorities align with guidelines from the Scientific Committee on Antarctic Research and the Convention on the Conservation of Antarctic Marine Living Resources for adjacent marine areas; heritage sites tied to historic expeditions are overseen by organizations such as the Antarctic Heritage Trust (New Zealand) and Historic Sites and Monuments listings.
Category:Mountain ranges of Antarctica Category:Transantarctic Mountains