
	Where results make sense

Topic: Transantarctic Mountains

Related Topics

Zagros Mountains

Alps

Grossglockner

Founding of Rome

List of mountains

Longitude

Sydney, Australia

Drakensberg

Tourism

In the News (Sat 26 Dec 09)

Northern Trust

Marvin Harrison

Peter Chernin

Gary Locke

Match Play

Penelope Cruz

Mickey Rourke

AR Rahman

Danny Boyle

Hugh Jackman

	Transantarctic Mountains - Wikipedia, the free encyclopedia
		The Blue ice covering Lake Fryxell, in the Transantarctic Mountains, comes from glacial meltwater from the Canada Glacier and other smaller glaciers.
		The Transantarctic Mountains (85°00′S 175°00′W) are a mountain range in Antarctica which extend with some interruptions between Cape Adare and Coats Land, these mountains serving as the division between East Antarctica and West Antarctica.
		Included are the continuous but separately named mountain groups along the west side of the Ross Sea and the western and southern sides of Ross Ice Shelf; also the Horlick Mountains, the Thiel Mountains, Pensacola Mountains, Shackleton Range and Theron Mountains.
	en.wikipedia.org /wiki/Transantarctic_Mountains (176 words)

	Antarctica Geology
		The Transantarctic Mountains (nearly 15,000 feet at their highest) were formed by the Ross Orogeny in the early Paleozoic (about 500 million years ago).
		The mountainous regions of Antarctica contain mineralized areas that were mostly formed by the intrusive activity during the Ellsworth and Andean Orogenies.
		The Paleozoic rocks of the Transantarctic Mountains have plant fossils of Permian age in the coal beds, the younger rocks of these mountains have fossils of Triassic reptiles and amphibians.
	www.globalclassroom.org /antarct5.html (2142 words)

	Transantarctic Mountains - Antarctic Connection (Site not responding. Last check: 2007-10-13)
		The Antarctic has one of the longest mountain chains in the world, the Transantarctic Mountains that extend from the tip of the Antarctic Peninsula to Cape Adare, a distance of 3000 miles (4800 km).
		These mountains, and particularly their Dry Valleys, are within easy access by helicopter from McMurdo Station, and scientists have found excellent exposures of various geologic units, which have helped reveal much about the geologic story of the continent.
		As the Transantarctic Mountains were being uplifted, ice flowing eastward from the margin of the plateau cut deep valleys into the rocks.
	www.antarcticconnection.com /antarctic/science/mountains.shtml (651 words)

	Formation
		With the Transantarctic Mountain Range however there is little earthquake activity and little evidence which can explain the forces of formation occurring in the past and those working to uplift the range at present.
		The anomalously high uplift of the Transantarctic mountains is therefore explained by the high rigidty of the Precambrian craton of East Antarctica, and contrastingly the low uplift of the western (younger crust) flank.
		The timing of the uplift of the Transantarctic Mountain Range is important as it relates to the separation of East and West Antarctica and ultimately to the break up of Gondwana.
	home.freeuk.com /gtlloyd/tam/formtn.htm (728 words)

	GROUP REPORT: CENOZOIC OF THE TRANSANTARCTIC MOUNTAINS (TAM) (Site not responding. Last check: 2007-10-13)
		This area, and the mountains to the east, are pivotal in establishing structural-kinematic links between development of the Transantarctic Mountains and motions of West Antarctic blocks, particularly the Ellsworth-Whitmore block.
		Within the central and southern Transantarctic Mountains, the Amundsen and Scott Glacier area separates Devonian to Lower Permian marine rocks in the Ohio and Wisconsin Ranges from nonmarine rocks exposed in the area between the Byrd and Amundsen Glaciers.
		Correlation of Permian and Triassic palynomorph assemblages from the central Transantarctic Mountains, Antarctica.
	www.geology.ohio-state.edu /agg-group/reports/tamrpt.html (13392 words)

	Michael Studinger's Homepage on the Transantarctic Mountains
		The mountain range was formed in the extensional environment associated with the breakup of Gondwanaland.
		The motivation for studying the Transantarctic Mountains is to try to understand the geodynamics of this extreme rift flank with airborne geophysical surveys and geodynamic modelling.
		The coherent pattern in magnetic data and mesa morphology suggests a subglacial extent of the Transantarctic Mountains and the Jurassic Ferrar Dolerites 400-500 km inland the last exposed rock outcrops.
	www.ldeo.columbia.edu /~mstuding/tam.html (640 words)

	Geological Sciences at Arizona State University : Edmund Stump (Site not responding. Last check: 2007-10-13)
		Stump, E., 1973, Earth evolution in the Transantarctic Mountains and West Antarctica: in D.H. Tarling and S.K. Runcom, eds., Implications of continental drift to the earth sciences, 2, Academic Press, London-New York, p.
		Goldstrand, P.M., Fitzgerald P.G., Redfield, T.F., Stump, E., and Hobbs, C., 1994, Stratigraphic evidence for the Ross orogeny in the Ellsworth Mountains, West Antarctica: Implications for the evolution of the paleo-Pacific margin of Gondwana: Geology, v.
		Fitzgerald, P. G., and Stump, E., 1997, Cretaceous and Cenozoic episodic denudation of the Transantarctic Mountains, Antarctica: New constraints from apatite fission track thermochronology in the Scott Glacier region: Journal of Geophysical Research, v.
	geology.asu.edu /people/faculty/stump (2129 words)

	Abstracts (Site not responding. Last check: 2007-10-13)
		A glacial geology for the Transantarctic Mountains is determined, based on a comparison of glacial deposits in the Queen Maud Mountains and along the nunataks at the heads of the ice-free valleys of southern Victoria Land with deposits studied by other workers in southern Victoria Land.
		Ice surface reconstructions are developed for the former glaciations recorded in the Transantarctic Mountains.
		These reconstructions are generated from a study of the distribution of the glacial deposits used to determine the glacial chronology since these deposits record former ice levels in the Transantarctic Mountains.
	www.ccrc.sr.unh.edu /abstracts/Mayewski1.html (603 words)

	The Ordovician System in Antarctica (Site not responding. Last check: 2007-10-13)
		Although these regions are extensive and widely separated, a Mountains from the Shackleton Range to Byrd Glacier were part of a single major pattern is emerging to suggest that the Ellsworth Mountains and Transantarctic sedimentary-tectonic province, encompassing similar sedimentary environments and tectonic events.
		Cambro-Ordovician magmatism in the Thiel Mountains, Transantarctic Mountains, and implications for the Beardmore Orogeny.
		Petrology of Upper Precambrian and Paleozoic sandstones in the Pensacola Mountains, Antarctica.
	www.unt.edu.ar /fcsnat/INSUGEO/geologia_16/25-Parica.htm (2875 words)

	:: NASA Quest > Archives :: (Site not responding. Last check: 2007-10-13)
		The geologic history of these mountains, revealed through fossil plant and animal remains in the Beacon Sandstone, indicates that the rocks are of a similar age and depositional environment and climate as rocks found today in parts of southern Africa, India, South America, and Australia.
		These mountains and the antarctic continent were a part of the single large landmass known as Gondwanaland.
		The Transantarctic Mountains were uplifted during the Cenozoic Era, which began about 135 million years ago, with the sandstone and dolerite sills being brought to elevations between 1,500 and more than 4,000 meters above sea level.
	quest.arc.nasa.gov /antarctica/background/NSF/valleys.html (1763 words)

	[No title] (Site not responding. Last check: 2007-10-13)
		ANSWER from Lisa Gahagan on January 23, 1995 The Transantarctic Mountains are an unusual intraplate mountain belt wholly within the Antarctic Plate.
		Some mountain ranges such as the Andes that stretch along the western margin of South America are easy to understand; we know from studying earthquakes that occur beneath them that the ocean crust west of South America is being subducted beneath South America.
		Unfortunately, along the Transantarctic Mountains there are no earthquakes and little evidence to explain what forces may have created the mountains or are working even now to uplift them.
	quest.arc.nasa.gov /antarctica/QA/geology/Tectonics (2207 words)

	What we do. Earth History : Institute of Geological and Nuclear Sciences Limited
		The Transantarctic Mountains trend for 4000 km across Antarctica, reach elevations of over 4 km, and form one of the world’s major rift flank mountain chains.
		The mountains lie along the western border the West Antarctic Rift System, which is thought to have formed during extensional rifting events related to continental breakup.
		Our research at GNS concentrates on improving understanding of the evolution, deformation and structure of the Transantarctic Mountains, the structure of the lithosphere at the rift margin, together with the associated driving forces of rift initiation, rift continuation and rift architecture.
	www.gns.cri.nz /what/earthhist/antarctica/trans.htm (529 words)

	UCSB Geological Sciences
		Modeling of marine, land, and airborne gravity data infer that the crust thins by 6 to 8 km from the Phillips Mountains southwest to the eastern Ross Sea with half of the thinning in the northern Ford Ranges and half between the southwest side of the Edward VII Peninsula and the Ross Sea continental shelf.
		The Fosdick Mountains in the northern Ford Ranges comprise migmatites of the middle crust exhumed between 100 and 94 Ma.
		Mountains of the Ford Ranges trend NW to E-W. Sub-ice basement mapped by airborne radar comprises NW trending basins and ranges with a relief of 1km or more at a spacing of 20 to 30 km.
	www.geol.ucsb.edu /faculty/luyendyk/RossandwMBL/RossandwMBL.html (2240 words)

	Central and Southern Transantarctic Mountains -- Proceedings of a Workshop
		Ar geochronology of Ferrar Dolerite sills from the Transantarctic Mountains, Antarctica: Implications for the age and origin of the Ferrar magmatic province.
		Uplift of the Transantarctic Mountains and the bedrock beneath the East Antarctic ice sheet.
		Significant events in Antarctica’s Cenozoic development are the establishment of a circumpolar oceanic circulation, the initiation of glaciation in the Oligocene, uplift and denudation of the Transantarctic Mountains (TAM), the establishment of a polar desert climate, and the virtual extinction of a biota.
	www-bprc.mps.ohio-state.edu /gpl/reports/tam/tamrpt2.html (17253 words)

	Antarctic Tectonics: Winter Quarter, 1999
		The main conclusion is that none of these fault sets are parallel to the NNW trend of the edge of the TransAntarctic mountains here; thus the author concludes that the TAM front, which is a huge topographic escarpment, is not likely to be controlled by a large normal fault formed in orthogonal extension.
		The TAM is modeled as a tilted uplift due to extensional forces acting on a 62 degree normal fault (Vening rift model), thermal uplift forces in the athenoshpere, and erosional unloading on th eastern flank of the TAM.
		Variation of topography along the Transantarctic Mountains is partly caused by differential uplift on transverse faults.
	www.gps.caltech.edu /~clay/reading_group3.html (5141 words)

	Tephrochronology Antarctica
		A major problem in Antarctic science is the development of the Transantarctic Mountains.
		This project addresses the geomorphic evolution of the central Transantarctic Mountains (Dry Valleys block) using 40Ar/39Ar analyses of surficial ash deposits (back to at least middle Miocene) in the Dry Valleys region of southern Victoria Land.
		Sugden, D.E., Denton, G.H., and Marchant, D.R. Landscape evolution of the Dry Valleys, Transantarctic Mountains: Tectonic implications.
	people.bu.edu /marchant/themesTephro2.htm (449 words)

	SCAR » Appendix 7
		The geology of the Alexandra Mountains in the Edward VII Peninsula is similar, Weaver et al.
		Fission track data for the Transantarctic Mountains show an onset of rapid denudation beginning at about 50-55 Ma with an indication of rapid denudation in the early Cretaceous (115 Ma) at Scott Glacier and in the Beardmore Glacier region [Fitzgerald, 1994].
		The segmentation of the Transantarctic Mountains into several crustal blocks is indicated by the differing amounts of uplift between major crustal blocks [Fitzgerald, 1994] and within the same crustal block (e.g., within South Victoria Land and the Scott Glacier region) [Fitzgerald, 1992; Stump and Fitzgerald, 1992].
	www.scar.org /publications/reports/16/appendix7/rosssearegion.html (2689 words)

	Earth Science Picture of the Day (Site not responding. Last check: 2007-10-13)
		Many glaciers such as this spill into the dry valleys of the Transantarctic Mountains from the Antarctic icecap.
		However, the Transantarctic Mountains act as a dam to keep back the encroachment of the icesheet.
		Where the icesheet is higher than the mountains, it flows into the valleys, eroding them further.
	epod.usra.edu /archive/epodviewer.php3?oid=62816 (199 words)

	Goodge publications
		Goodge, J. W., 2002, From Rodinia to Gondwana: Supercontinent evolution in the Transantarctic Mountains (invited plenary paper): in Gamble, J., and Skinner, D. A., eds., Antarctica at the Close of a Millenium, Wellington, Royal Society of New Zealand Bulletin 35, Proceedings of the 8th International Symposium on Antarctic Earth Science, p.
		Goodge, J. (Contributor), 1996, Geodynamic Map of Transantarctic Mountains, Antarctica: in Unrug, R. (ed.), Geodynamic Map of Gondwana Supercontinent Assembly, Bureau de Recherches Geologiques et Minires, IGCP Project 288: Gondwanaland Sutures and Foldbelts, 1:10,000,000.
		W., 1993, Geologic and kinematic map of the Nimrod Group, central Transantarctic Mountains, Antarctica: folded insert in Tectonics, v.
	www.d.umn.edu /~jgoodge/pubs.html (1296 words)

	Adventure Network International - Mountains-Transantarctic
		The Transantarctic Mountains also known as the TA Horst is a 3200 km long range which separates East from West Antarctic with a center lying at 85°S and 175°W. This spectacular range runs without interruptions from Cape Adare in northern Victoria Land to Coats Land on the Weddell Sea.
		This is the group of mountains nearest the South pole and bounds the Ross Ice Shelf at the south mass of ice.
		The Queen Maud Mountains were discovered by Amundsen on 11 November 1911, (11.11.11) and named by him for the Queen of Norway.
	www.adventure-network.com /display.asp?navid=1&id=54 (426 words)

	Prince Albert Mountains -- Encyclopædia Britannica
		A section of the Transantarctic Mountains, the Prince Albert Mountains extend for about 230 miles (370 km) along the Scott Coast of Victoria Land, west of the Ross Sea.
		The Transantarctic Mountains stretch for more than 2,000 miles (3,200 km) from Victoria Land to the shores of the Weddell Sea.
		Rising to 15,000 feet (4,500 m) in the Queen Maud Mountains, they traverse a region that is almost entirely covered by an ice sheet.
	www.britannica.com /eb/article-9003050?tocId=9003050&query=prince (679 words)

	Cape Roberts Project Science
		The science of the Cape Roberts Project was based on continuously coring the strata filling a sedimentary basin at the edge of the east Antarctic ice sheet and adjacent to the Transantarctic Mountains of S Victoria Land.
		A record of erosion of Beacon sandstone and dolerite from the higher part of the adjacent Transantarctic Mountains, though granitic clasts in the oldest Cenozoic strata indicate that the mountains were high and basement rocks already exposed by the time deposition had begun.
		the Transantarctic Mountains had achieved most of their present height by 34 Ma, whereas most subsidence in the adjacent Victoria Land Basin took place from 34 to 29 Ma ago, though with some continuing until around 17 Ma ago.
	www.vuw.ac.nz /geo/croberts/CRPscience.html (1009 words)

	THE GEOMORPHOLOGICAL SETTING OF THE SIRIUS GROUP OF THE CENTRAL/SOUTHERN TRANSANTARCTIC MOUNTAINS, ANTARCTICA (Site not responding. Last check: 2007-10-13)
		In the central/southern Transantarctic Mountains of Antarctica the Sirius Group visibly occurs across exceptional relief, from the highest mountains along the Beardmore Glacier above 4000 m asl to the current surface elevations of the upper Beardmore, Shackleton and Reedy glaciers.
		It has been shown that the subglacial thermal zonation of ice sheets overriding peripheral mountain ranges is self-sustained by topography; i.e., cold-based ice relates to topographic highs and warm-based ice to topographic lows.
		Hence, the current topography would not allow the deposition of basal tills on topographic highpoints, rather the implication is that these are relict deposits, left perched as adjacent outlet glaciers deepened their beds and steadily increased local relief.
	gsa.confex.com /gsa/2002AM/finalprogram/abstract_45781.htm (339 words)

	Gravity modelling, crustal structure, and flexure of the lithosphere at the continental margin offshore Namibia (Site not responding. Last check: 2007-10-13)
		The 3,000-km long and 4.5 km high Transantarctic Mountains represent the uplifted flank of the West Antarctic Rift system and mark the morphological and geological boundary between East and West Antarctica.
		Fitzgerald, P.F., The Transantarctic Mountains of southern Victoria land: the application of apatite fission track analysis to a rift shoulder uplift, Tectonics, 11, 634-662, 1992.
		Stern, T.A., and U.S. ten_brink, Flexural uplift of the Transantarctic Mountains, J. Geophys.
	www.earth.ox.ac.uk /~tony/watts/new_pages/wilson_watts1.html (294 words)

	Woods Hole Field Center Publications, Abstracts 1996 (Site not responding. Last check: 2007-10-13)
		The experiment was designed to image the bedrock under the East Antarctic ice cap with the goals of testing the flexural origin of the Wilkes subglacial basin, and of constraining the spatial extent of the Jurassic (Ferrar) flood basalt and the Cenozoic sediment thickness in the Wilkes Basin.
		A flexure model with an elastic thickness between 80-90 km and a pre-uplift elevation of East Antarctica of 600-800 m was found to fit the subglacial topography with a standard deviation of 300 m and the observed gravity with a standard deviation of <5 mgal.
		The good fit suggests that the Wilkes basin is indeed a hinterland flexure basin, which subsided in tandem with the uplift of the Transantarctic Mountains.
	woodshole.er.usgs.gov /bibliographies/1996/483.html (419 words)

	Abstracts (Site not responding. Last check: 2007-10-13)
		This is true despite the fact that glacial geologic studies in this area are the primary basis for understanding the glacial history of East Antarctica and thus provide an excellent potential framework for the more detailed records obtainable from glaciochemical studies.
		Numerous sites within the Transantarctic Mountains fit the requirements necessary for the retrieval of ice cores, and pilot studies have been conducted in both southern Victoria Land (Mayewski and Lyons 1982) and northern Victoria Land (Allen and others 1985).
		During the 1984-85 austral summer, a combined University of New Hampshire-Polar Ice Coring Office effort resulted in the recovery of a 201 m long core from a 2800 m high snow massif atop the Dominion Range (85o15'S, 166o10'E), close to the confluence of the Mill and Beardmore glaciers.
	www.ccrc.sr.unh.edu /abstracts/Mayewski7.html (344 words)

Try your search on: Qwika (all wikis)