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Abercrombie Crests
Abercrombie Crests are a cluster of rock summits rising to in the north part of Darley Hills, Churchill Mountains, south-southeast of Mount Deleon. Named by Advisory Committee on Antarctic Names (US-ACAN) after Thomas J. Abercrombie of the ''National Geographic Magazine'' Foreign Editorial Staff, 1957–90, who was on assignment in Antarctica Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest co ..., 1957–58. One of several features in Darley Hills that are named for NGM staff. Cliffs of the Ross Dependency Shackleton Coast {{ShackletonCoast-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Darley Hills
The Darley Hills () are a range of high, ice-covered coastal hills in the Churchill Mountains, Antarctica. Location The Darley Hills overlook the Ross Ice Shelf, and trend north–south for about between Cape Douglas and Cape Parr. To the west, they are bounded by the Skinner Saddle in the north, from which Nursery Glacier flows south and then east into the Ross Ice Shelf. Name The hills were named by the Advisory Committee on Antarctic Names for James M. Darley, chief cartographer of the National Geographic Society, 1940–63, under whose direction many important maps of Antarctica were published. Features Geographical features from north to south include: Skinner Saddle . A high, broad, snow-covered saddle between the northern part of Darley Hills and that portion of Churchill Mountains eastward of Mount Durnford. Mapped by the Northern Party of NZGSAE (1960-61) and named for D.N. Skinner, geologist with the party. Riddiford Nunatak ) A small but conspicuous nunatak ( ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Churchill Mountains
The Churchill Mountains are a mountain range group of the Transantarctic Mountains System, located in the Ross Dependency region of Antarctica. They border on the western side of the Ross Ice Shelf, between Byrd Glacier and Nimrod Glacier. Several of the range's highest summits, including Mounts Egerton, Field, Nares, Wharton, and Albert Markham were first seen and named by the Discovery Expedition of 1901–1904 (aka: British National Antarctic Expedition), under Robert Falcon Scott The mountains were mapped in detail by the USGS from Tellurometer surveys during 1960–61, and by United States Navy air photos in 1960. They were named by the US-ACAN for Sir Winston Churchill. Mountains and peaks ;Mount Albert Markham Mount Albert Markham is a striking flat-topped mountain, standing midway between Mount Nares and Pyramid Mountain. Discovered by the Discovery Expedition and named for Admiral Sir Albert Hastings Markham, a member of the Ship Committee for the expedit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Deleon
Nicholson Peninsula () is a broad ice-covered peninsula about 15 nautical miles (28 km) long, between Couzens Bay and Matterson Inlet on the Shackleton Coast on the west side of the Ross Ice Shelf, Antarctica. Location Nicholson Peninsula faces the Ross Ice Shelf to the east. To the north, across Couzens Bay, the peninsula tipped by Cape Selbourne is at the mouth of Byrd Glacier, which flows from the west into the Ross Ice Shelf. To the west is the northern part of the Churchill Mountains. To the south, across Matterson Inlet, are the Darley Hills. The peninsula was named by Advisory Committee on Antarctic Names (US-ACAN) for Captain M.W. Nicholson, United States Navy, chief of staff to the United States Antarctic Program Officer during Operation Deep Freeze (OpDFrz) 1964. Features on the peninsula Gootee Nunatak . A small but distinctive nunatak, about high, which is the only rock outcrop at the west end of Couzens Bay. The nunatak was geologically mapped by a United ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Advisory Committee On Antarctic Names
The Advisory Committee on Antarctic Names (ACAN or US-ACAN) is an advisory committee of the United States Board on Geographic Names responsible for recommending commemorative names for features in Antarctica. History The committee was established in 1943 as the Special Committee on Antarctic Names (SCAN). It became the Advisory Committee on Antarctic Names in 1947. Fred G. Alberts was Secretary of the Committee from 1949 to 1980. By 1959, a structured nomenclature was reached, allowing for further exploration, structured mapping of the region and a unique naming system. A 1990 ACAN gazeeter of Antarctica listed 16,000 names. Description The United States does not recognise territorial boundaries within Antarctica, so ACAN assigns names to features anywhere within the continent, in consultation with other national nomenclature bodies where appropriate, as defined by the Antarctic Treaty System. The research and staff support for the ACAN is provided by the United States Geolog ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thomas J
Clarence Thomas (born June 23, 1948) is an American jurist who serves as an associate justice of the Supreme Court of the United States. He was nominated by President George H. W. Bush to succeed Thurgood Marshall and has served since 1991. After Marshall, Thomas is the second African American to serve on the Court and its longest-serving member since Anthony Kennedy's retirement in 2018. Thomas was born in Pin Point, Georgia. After his father abandoned the family, he was raised by his grandfather in a poor Gullah community near Savannah. Growing up as a devout Catholic, Thomas originally intended to be a priest in the Catholic Church but was frustrated over the church's insufficient attempts to combat racism. He abandoned his aspiration of becoming a clergyman to attend the College of the Holy Cross and, later, Yale Law School, where he was influenced by a number of conservative authors, notably Thomas Sowell, who dramatically shifted his worldview from progressiv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Geographic Magazine
''National Geographic'' (formerly the ''National Geographic Magazine'', sometimes branded as NAT GEO) is a popular American monthly magazine published by National Geographic Partners. Known for its photojournalism, it is one of the most widely read magazines of all time. The magazine was founded in 1888 as a scholarly journal, nine months after the establishment of the society, but is now a popular magazine. In 1905, it began including pictures, a style for which it became well-known. Its first color photos appeared in the 1910s. During the Cold War, the magazine committed itself to present a balanced view of the physical and human geography of countries beyond the Iron Curtain. Later, the magazine became outspoken on environmental issues. Since 2019, controlling interest has been held by The Walt Disney Company. Topics of features generally concern geography, history, nature, science, and world culture. The magazine is well known for its distinctive appearance: a thick s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Antarctica
Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean, it contains the geographic South Pole. Antarctica is the fifth-largest continent, being about 40% larger than Europe, and has an area of . Most of Antarctica is covered by the Antarctic ice sheet, with an average thickness of . Antarctica is, on average, the coldest, driest, and windiest of the continents, and it has the highest average elevation. It is mainly a polar desert, with annual precipitation of over along the coast and far less inland. About 70% of the world's freshwater reserves are frozen in Antarctica, which, if melted, would raise global sea levels by almost . Antarctica holds the record for the lowest measured temperature on Earth, . The coastal regions can reach temperatures over in summer. Native species of animals include mites, nematodes, penguins, seals and tardigrades. Where ve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cliffs Of The Ross Dependency
In geography and geology, a cliff is an area of rock which has a general angle defined by the vertical, or nearly vertical. Cliffs are formed by the processes of weathering and erosion, with the effect of gravity. Cliffs are common on coasts, in mountainous areas, escarpments and along rivers. Cliffs are usually composed of rock that is resistant to weathering and erosion. The sedimentary rocks that are most likely to form cliffs include sandstone, limestone, chalk, and dolomite. Igneous rocks such as granite and basalt also often form cliffs. An escarpment (or scarp) is a type of cliff formed by the movement of a geologic fault, a landslide, or sometimes by rock slides or falling rocks which change the differential erosion of the rock layers. Most cliffs have some form of scree slope at their base. In arid areas or under high cliffs, they are generally exposed jumbles of fallen rock. In areas of higher moisture, a soil slope may obscure the talus. Many cliffs also featu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
