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Marie Byrd Land Volcanic Province
The Marie Byrd Land Volcanic Province is a volcanic field in northern Marie Byrd Land of West Antarctica, consisting of over 18 large shield volcanoes, 30 small volcanic centres and possibly many more centres buried under the West Antarctic Ice Sheet. It overlies a wide and long dome that has formed as a result of fault blocking within the West Antarctic Rift System. Volcanism in the Marie Byrd Land Volcanic Province commenced at least 36 million years ago during the latest Eocene epoch. This activity has continued into the current Holocene epoch, with the largest volcanic eruption in the last 10,000 years having possibly taken place about 2,300 years ago. Volcanoes *Ames Range **Mount Andrus **Mount Boennighausen **Mount Kauffman ** Mount Kosciusko * Crary Mountains ** Boyd Ridge ** Mount Frakes ** Mount Steere ** Mount Rees *Executive Committee Range ** Mount Cumming ** Mount Hampton ** Mount Hartigan **Mount Sidley ** Mount Waesche *Flood Range * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marie Byrd Land
Marie Byrd Land (MBL) is an unclaimed region of Antarctica. With an area of , it is the largest unclaimed territory on Earth. It was named after the wife of American naval officer Richard E. Byrd, who explored the region in the early 20th century. The territory lies in West Antarctica, east of the Ross Ice Shelf and the Ross Sea and south of the Pacific Ocean portion of the Southern Ocean, extending eastward approximately to a line between the head of the Ross Ice Shelf and Eights Coast. It stretches between 158°W and 103°24'W. The inclusion of the area between the Rockefeller Plateau and Eights Coast is based upon Byrd's exploration. Overview Because of its remoteness, even by Antarctic standards, most of Marie Byrd Land (the portion east of 150°W) has not been claimed by any sovereign state. It is by far the largest single unclaimed territory on Earth, with an area of (including Eights Coast, immediately east of Marie Byrd Land). In 1939, United States President Frankl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Andrus
Mount Andrus is a shield volcano 3.2 km (2 mi) SE of Mount Boennighausen in the SE extremity of Ames Range, in Marie Byrd Land, Antarctica. Mapped by USGS from surveys and U.S. Navy air photos, 1964–68. Named by US-ACAN for Lt. Carl H. Andrus, US Navy, medical officer and Officer-in-Charge of Byrd Station in 1964. Andrus has a 4.5 km-wide caldera at its summit. The westward face of the mountain is drained by the Coleman Glacier, with significant crevassing present. While the age of Mt. Andrus is not well known it is one of the oldest trachytic shield volcanoes in Marie Byrd Land, similar in age to Mount Hampton. 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 * External links * https://web.archive. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Waesche
Mount Waesche is a mountain of volcanic origin at the southern end of the Executive Committee Range in Marie Byrd Land, Antarctica. It is 3,292 metres (10,801 ft) high, and stands 20 kilometres (12 mi) southwest of Mount Sidley, the highest volcano in Antarctica. The mountain lies southwest of the Chang Peak caldera and is largely covered with snow and glaciers, but there are rock exposures on the southern and southwestern slopes. The volcano may have been active as late as the Holocene, with tephra layers recovered from ice cores possibly originating from Mount Waesche. Seismic activity has been recorded both from the volcano and from an area south of it and might reflect ongoing volcanic activity. Name and research history It was discovered by the United States Antarctic Service expedition on a flight on December 15, 1940, and named for Vice Admiral Russell R. Waesche, United States Coast Guard, member of the Antarctic Service Executive Committee. Field studies to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Hartigan
The Executive Committee Range is a mountain range consisting of five major volcanoes, which trends north-south for along the 126th meridian west, in Marie Byrd Land, Antarctica. The complete range was discovered by the United States Antarctic Service Expedition (1939–41), during a flyover of the area on 15 December 1940, and named for the Executive Committee of the Expedition. Four of the five mountains are named in honor of individual members of the committee; Mount Sidley, the most imposing mountain in the range and highest volcano in Antarctica, had been discovered and named by Rear Admiral Byrd in 1934, during his privately funded Second Antarctic Expedition. The entire range was mapped in detail, by the United States Geological Survey, using various surveys and U.S. Navy trimetrogon photography performed from 1958 to 1960. Mountains The following are the five mountains, all volcanic in origin, of the Executive Committee Range, in order from south to north. Mount Wae ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Hampton
Mount Hampton is a shield volcano with a circular ice-filled caldera. It is a twin volcano with Whitney Peak to the northwest and has erupted phonolite rocks. It is the northernmost of the volcanoes which comprise the Executive Committee Range in Marie Byrd Land, Antarctica and was active during the Miocene. Geography and geology Mount Hampton is the northernmost volcano of the Executive Committee Range in Marie Byrd Land, Antarctica. It has the form of a symmetrical uneroded shield volcano with an "impressive" appearance and an ice-filled wide caldera. Like other volcanoes in the Executive Committee Range, it is a paired volcano with the northwesterly high Whitney Peak and the southeasterly high Marks Peak, which is the main summit of Mount Hampton. The northwesterly summit is associated with its own caldera, which is partly cut by the Mount Hampton caldera on the southeastern flank and buried by the lava flows from the latter. The centres of the two calderas are about ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Cumming
The Executive Committee Range is a mountain range consisting of five major volcanoes, which trends north-south for along the 126th meridian west, in Marie Byrd Land, Antarctica. The complete range was discovered by the United States Antarctic Service Expedition (1939–41), during a flyover of the area on 15 December 1940, and named for the Executive Committee of the Expedition. Four of the five mountains are named in honor of individual members of the committee; Mount Sidley, the most imposing mountain in the range and highest volcano in Antarctica, had been discovered and named by Rear Admiral Byrd in 1934, during his privately funded Second Antarctic Expedition. The entire range was mapped in detail, by the United States Geological Survey, using various surveys and U.S. Navy trimetrogon photography performed from 1958 to 1960. Mountains The following are the five mountains, all volcanic in origin, of the Executive Committee Range, in order from south to north. Mount Wae ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Executive Committee Range
The Executive Committee Range is a mountain range consisting of five major volcanoes, which trends north-south for along the 126th meridian west, in Marie Byrd Land, Antarctica. The complete range was discovered by the United States Antarctic Service Expedition (1939–41), during a flyover of the area on 15 December 1940, and named for the Executive Committee of the Expedition. Four of the five mountains are named in honor of individual members of the committee; Mount Sidley, the most imposing mountain in the range and highest volcano in Antarctica, had been discovered and named by Rear Admiral Byrd in 1934, during his privately funded Second Antarctic Expedition. The entire range was mapped in detail, by the United States Geological Survey, using various surveys and U.S. Navy trimetrogon photography performed from 1958 to 1960. Mountains The following are the five mountains, all volcanic in origin, of the Executive Committee Range, in order from south to north. Mount Wae ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Rees (Marie Byrd Land)
Mount Rees () is a mountain located northwest of Mount Steere in the northern end of Crary Mountains, Marie Byrd Land. It was mapped by the U.S. Geological Survey from ground surveys and U.S. Navy air photos, 1959–66, and was named for Manfred H. Rees, aurora scientist at Byrd Station during the 1965–66 season. It is a shield volcano formed during the late Miocene to early Pliocene. The 1967-1968 Marie Byrd Land Survey found lichen A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.Mountains of Marie Byrd Land [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Steere
Mount Steere is a prominent shield volcano standing 6.4 km (4 mi) NNW of Mount Frakes in the Crary Mountains of Marie Byrd Land, Antarctica. Mapped by USGS from ground surveys and U.S. Navy air photos, 1959–66. Named by US-ACAN for William Campbell Steere, William C. Steere, biologist at McMurdo Station, 1964–65 season. See also * List of volcanoes in Antarctica Sources * * Polygenetic shield volcanoes Volcanoes of Marie Byrd Land Crary Mountains Shield volcanoes of Antarctica {{MarieByrdLand-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mount Frakes
Mount Frakes is a prominent shield volcano marking the highest elevation in the Crary Mountains, in Marie Byrd Land, Antarctica and is the third highest volcanic elevation on the continent. The mountain was mapped by the USGS from surveys and U.S. Navy air photos, 1959–66. Named by US-ACAN for Lawrence A. Frakes, United States Antarctic Program geologist who worked three summer seasons in the Falkland Islands and Antarctica, 1964-65 through 1967–68. See also *List of volcanoes in Antarctica *List of Ultras of Antarctica This is a list of all the Ultra prominent peaks (with topographic prominence greater than 1,500 metres) in Antarctica. Some islands in the South Atlantic have also been included and can be found at the end of the list. Antarctica South Atl ... References Sources * * External links "Mount Frakes, Antarctica" on Peakbagger Polygenetic shield volcanoes Volcanoes of Marie Byrd Land Shield volcanoes of Antarctica Crary Mountains {{M ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Boyd Ridge
Boyd Ridge () is an ice-covered ridge, long, which extends in an east–west direction and forms the south end of the Crary Mountains in Marie Byrd Land. It is separated from the main peaks of the group by Campbell Valley. It was mapped by the United States Geological Survey from ground surveys and from U.S. Navy air photos, 1959–66, and named by the Advisory Committee on Antarctic Names for John C. Boyd, a United States Antarctic Research Program biologist at McMurdo Station McMurdo Station is a United States Antarctic research station on the south tip of Ross Island, which is in the New Zealand-claimed Ross Dependency on the shore of McMurdo Sound in Antarctica. It is operated by the United States through the Unit ..., 1965–66 and 1966–67 seasons. See also * Runyon Rock References Ridges of Marie Byrd Land Volcanoes of Marie Byrd Land Crary Mountains {{MarieByrdLand-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crary Mountains
Crary Mountains () are a group of ice-covered volcanoes in Marie Byrd Land, Antarctica. They consist of two or three shield volcanoes, named Mount Rees, Mount Steere and Mount Frakes, which developed during the course of the Miocene and Pliocene and last erupted about 30,000-40,000 years ago. The first two volcanoes are both heavily incised by cirques, while Mount Frakes is better preserved and has a wide caldera at its summit. Boyd Ridge is another part of the mountain range and lies southeast of Mount Frakes; it might be the emergent part of a platform that underlies the mountain range. The volcanoes consist mainly of basalt, trachyte and phonolite in the form of lava flows, scoria and hydrovolcanic formations. Volcanic activity here is linked to the West Antarctic Rift system, which is responsible for the formation of a number of volcanoes in the region. During their existence, the range was affected by glaciation and glacial-volcanic interactions. Geography and geomorphol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
