Scullin Murray Monoliths 2023-01-07 Sentinel 2 SR

Murray Monolith is a detached part of Torlyn Mountain in Mac.Robertson Land,

Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. ...

. It is a steep massif of

metasedimentary In geology, metasedimentary rock is a type of metamorphic rock. Such a rock was first formed through the deposition and solidification of sediment Sediment is a solid material that is transported to a new location where it is deposited. It occu ...

gneiss Gneiss (pronounced ) is a common and widely distributed type of metamorphic rock. It is formed by high-temperature and high-pressure metamorphic processes acting on formations composed of igneous or sedimentary rocks. This rock is formed under p ...

and

granitic A granitoid is a broad term referring to a diverse group of coarse-grained igneous rocks that are widely distributed across the globe, covering a significant portion of the Earth's exposed surface and constituting a large part of the continental ...

origin, with the adjacent coastline consisting of 40 m high ice cliffs. The monolith is dome-shaped with steep sides, rising to a seaward summit of 339 m and an inland summit of 363 m at Torlyn Mountain.

Discovery and naming

It was discovered during the

British Australian New Zealand Antarctic Research Expedition The British Australian (and) New Zealand Antarctic Research Expedition (BANZARE) was a research expedition into Antarctica between 1929 and 1931, involving two voyages over consecutive Austral summers. It was a British Commonwealth initiative, d ...

(BANZARE), led by

Douglas Mawson Sir Douglas Mawson (5 May 1882 – 14 October 1958) was a British-born Australian geologist, Antarctic explorer, and academic. Along with Roald Amundsen, Robert Falcon Scott, and Sir Ernest Shackleton, he was a key expedition leader during ...

, 1929–1931, and named after Sir George Murray, Chief Justice of South Australia Chancellor of the

University of Adelaide The University of Adelaide is a public university, public research university based in Adelaide, South Australia. Established in 1874, it is the third-oldest university in Australia. Its main campus in the Adelaide city centre includes many Sa ...

and a

patron Patronage is the support, encouragement, privilege, or financial aid that an organization or individual bestows on another. In the history of art, art patronage refers to the support that princes, popes, and other wealthy and influential people ...

of the expedition.Murray Monolith
on AADC website

Antarctic Specially Protected Area and Important Bird Area

As one of the very few pieces of exposed rock on the East Antarctic coast, together with the Scullin Monolith 6 km to the west, it holds the greatest concentration of

seabird Seabirds (also known as marine birds) are birds that are adaptation, adapted to life within the marine ecosystem, marine environment. While seabirds vary greatly in lifestyle, behaviour and physiology, they often exhibit striking convergent ...

breeding colonies in

East Antarctica East Antarctica, also called Greater Antarctica, constitutes the majority (two-thirds) of the Antarctic continent, lying primarily in the Eastern Hemisphere south of the Indian Ocean, and separated from West Antarctica by the Transantarctic ...

, including 160,000 pairs of

Antarctic petrel The Antarctic petrel (''Thalassoica antarctica'') is a boldly marked dark brown and white petrel, found in Antarctica, most commonly in the Ross and Weddell Seas. They eat Antarctic krill, fish, and small squid. They feed while swimming but can ...

s, and 70,000 pairs of

Adelie penguin Adelie or Adélie may refer to: * Adélie Land, a claimed territory on the continent of Antarctica * Adelie Land meteorite, a meteorite discovered on December 5, 1912, in Antarctica by Francis Howard Bickerton * Adélie penguin The Adélie pen ...

s. Both monoliths are protected under the

Antarctic Treaty System The Antarctic Treaty and related agreements, collectively known as the Antarctic Treaty System (ATS), regulate international relations with respect to Antarctica, Earth's only continent without a native human population. It was the first arms ...

Antarctic Specially Protected Area An Antarctic Specially Protected Area (ASPA) is an area on the continent of Antarctica, or on nearby islands, which is protected by scientists and several different international bodies. The protected areas were established in 1961 under the Antarc ...

(ASPA) No.164. Coincident in coverage with ASPA 164, the two monoliths have also been designated an

Important Bird Area An Important Bird and Biodiversity Area (IBA) is an area identified using an internationally agreed set of criteria as being globally important for the conservation of bird populations. IBA was developed and sites are identified by BirdLife Int ...

(IBA) by

BirdLife International BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding i ...

because of the significant seabird colonies present.

References

External links

Murray Monolith
on

USGS The United States Geological Survey (USGS), founded as the Geological Survey, is an government agency, agency of the United States Department of the Interior, U.S. Department of the Interior whose work spans the disciplines of biology, geograp ...

website
Murray Monolith
on AADC website
Murray Monolith
on

SCAR A scar (or scar tissue) is an area of fibrosis, fibrous tissue that replaces normal skin after an injury. Scars result from the biological process of wound repair in the skin, as well as in other Organ (anatomy), organs, and biological tissue, t ...

website
A map of the Murray Monolith protected area

A picture of the Murray Monolith

Murray Monolith
at

Lonely Planet Lonely Planet is a travel guide book publisher. Founded in Australia in 1973, the company has printed over 150 million books. History 20th century Lonely Planet was founded by married couple Maureen Wheeler, Maureen and Tony Wheeler. In 19 ...

website Natural monoliths Rock formations of Mac. Robertson Land Antarctic Specially Protected Areas Important Bird Areas of Antarctica Seabird colonies Penguin colonies {{MacRobertsonLand-geo-stub

Discovery and naming

Antarctic Specially Protected Area and Important Bird Area

Further reading

See also

References

External links