U-shaped valley - Factbites

U-shaped valley - Factbites
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Topic: U-shaped valley

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	Glacial Geology
		The typical river valley in solid rock is a v shaped affair, the river carving downward in a directly downward fashion, producing slanted sides.
		This produces a u-shaped valley, and it is one of the biggest signs, even in areas without glaciers anymore, that a glacier has been there in the distant past.
		The former are winding affairs from streams on or under a glacier, the latter are teardrop shaped affairs.
	members.aol.com /scipioiv/glacialgeology.html

	Hanging valley - Wikipedia, the free encyclopedia
		The main glacier erodes a deep U-shaped valley with nearly vertical sides while the tributary glacier, with a smaller volume of ice, makes a shallower U-shaped valley.
		A Hanging valley is a tributary valley with the floor at a higher relief than the main channel into which it flows.
		They are most commonly associated with glacial valleys when a tributary glacier flows into a glacier of larger volume.
	en.wikipedia.org /wiki/Hanging_valley (117 words)

	glacier. The Columbia Encyclopedia, Sixth Edition. 2001
		They transform V-shaped valleys into U-shaped valleys by grinding away the projecting bases of slopes and cliffs and leveling the floors of the valleys; in this process tributary valleys are frequently left “hanging,” with their outlets high above the new valley floor.
		Valley, or mountain, glaciers are tongues of moving ice sent out by mountain snowfields following valleys originally formed by streams.
		Piedmont glaciers, which occur only in high latitudes, are formed by the spreading of valley glaciers where they emerge from their valleys or by the confluence of several valley glaciers.
	www.bartleby.com /65/gl/glacier.html (117 words)

	glaciers.txt
		bRivers form V-shaped valleys because they erode only in the canyon bottom.
		aGlaciers form U-shaped valleys because they erode over a wide, deep area.
		Alpine glaciers are the same as valley glaciers.
	www.usd.edu /exam/esci/glaciers.txt (117 words)

	U.S. Geological Survey, Long Valley Observatory, California
		Long Valley Caldera a 15- by 30-km oval-shaped depression located 20 km south of Mono Lake along the east side of the Sierra Nevada in east-central California.
		In May of 1980, a strong earthquake swarm that included four magnitude 6 earthquakes struck the southern margin of Long Valley Caldera associated with a 25-cm, dome-shaped uplift of the caldera floor.
		Bibliography of Literature Pertaining to Long Valley Caldera and Associated Volcanic Fields, USGS Open-file report 00-221.
	lvo.wr.usgs.gov (388 words)

	Palm Valley, Australia
		The oval-shaped region of blue patches just below the center of the image is Palm Valley.
		Palm Valley, which is located in the Northwest Territory of Australia about 138 km (85 mi) southwest of Alice Springs, contains important reserves of natural gas and is a popular tourist destination.
		The curving bands are outcrops of sedimentary rock that have been folded and shaped by processes of mountain building.
	www.astrographics.com /GalleryPrintsIndex/GP4530.html (245 words)

	Earth Science Picture of the Day
		When the mass of ice and snow finally melts, what was previously a 'V' shaped valley takes on a more rounded or 'U' shaped appearance.
		Over thousands of years, the weight and grinding action of huge rivers of ice helped to gouge and carve the valley.
		The valley is on the east side of the inlet - the photographer is looking north.
	epod.usra.edu /archive/epodviewer.php3?oid=69376 (245 words)

	U-shaped valleys
		As glacial ice squeezes into V-shaped river valleys from the upper mountains, the grinding rock-filled ice carves out the valley bottom.
		Its valley was carved by the Cordilleran Ice sheet as it flowed out from Canada over 13,000 years ago.
		You may also notice that Lake Crescent on the north side of the park is U-shaped.
	www.nps.gov /olym/uv.htm (245 words)

	Deseret News (Salt Lake City): Silicon Valley western-wear store to close in March
		Prandi's business partner, Sergio Almendaris, is involved with the American Cancer Society, and Silver Buckle has catered to Silicon Valley movers-and-shakers looking for distinctive Western duds to wear to the organization's $200-a-ticket Cattle Barons' Ball benefit.
		CAMPBELL, Calif. -- After a decade of selling Western wear to Silicon Valley's city slickers, Silver Buckle owner Alex Prandi is hankering to try something new.
		So he's liquidating the contents of his barn-shaped store in downtown Campbell, discounting and selling off its sizable inventory of Western-theme jeans, boots, hats, belts, jackets, jewelry and skirts.
	www.findarticles.com /p/articles/mi_qn4188/is_200501/ai_n11496946 (893 words)

	Hiking Round Valley Recreation Area
		In 1958 a natural horse-shoe shaped valley in the rolling hills of Hunterdon County was damned, and today 55 billion gallons of water fill this area, known as Round Valley Reservoir.
		Round Valley Reservoir is one of the largest and deepest lakes in NJ.
		The Brunswick shales of the interior valley are open, while the contact with the trap rock and border conglomerates is generally indicated by the forest which covers the ridge.
	nynjctbotany.org /njnbtofc/roundval.html (557 words)

	Place of the Holy Temple
		To the north and the east, opposite Zion, and divided from it by the deep Tyropoeon Valley were the crescent-shaped Acra [lower city] and Moriah, the latter [Acra] with Ophel as its southern outrunner.” (Chap 1, “Four Hills,” Alfred Edersheim, The Temple)
		He also mentioned that there was a valley between the upper and lower city; he called this valley the "Valley of the Cheese-mongers," but today we call it the Tyropoeon Valley.
		He then mentions a third hill over against the crescent shaped hill but then says this hill was originally ["naturally"] lower than the lower city of Acra, but that Acra had been cut down in the past.
	www.becomingone.org /templemount.htm (557 words)

	U.S. Geological Survey, Long Valley Observatory, California
		Long Valley Caldera a 15- by 30-km oval-shaped depression located 20 km south of Mono Lake along the east side of the Sierra Nevada in east-central California.
		This ongoing unrest includes recurring earthquake swarms and continued dome-shaped uplift of the central section of the caldera (the resurgent dome) accompanied by changes in thermal springs and gas emissions.
		The goal of this effort is to provide residents and civil authorities in the area reliable information on the nature of the potential hazards posed by this unrest and timely warning of an impending volcanic eruption, should it develop.
	lvo.wr.usgs.gov (557 words)

	Mat-Su Valley
		The area actually is two valleys shaped by two mighty rivers; the Matanuska, which flows between the Talkeetna and Chugach Mountains, and the Susitna, which flows from its headwaters in the Alaska Range.
		These beautiful valleys were shaped during the last Ice Age by massive glaciers etching their way through the Chugach, Talkeetna and Alaska mountain ranges.
		Today, ice continues to sculpt the land, leaving behind rugged valleys, silty rivers and open plateaus now covered with trees and tundra spotted with lakes.
	www.alaskan.com /docs/matsuvalley.html (557 words)

	Mat-Su Valley
		The area actually is two valleys shaped by two mighty rivers; the Matanuska, which flows between the Talkeetna and Chugach Mountains, and the Susitna, which flows from its headwaters in the Alaska Range.
		These beautiful valleys were shaped during the last Ice Age by massive glaciers etching their way through the Chugach, Talkeetna and Alaska mountain ranges.
		Today, ice continues to sculpt the land, leaving behind rugged valleys, silty rivers and open plateaus now covered with trees and tundra spotted with lakes.
	www.alaskan.com /docs/matsuvalley.html (557 words)

	U.S. Geological Survey, Long Valley Observatory, California
		Long Valley Caldera a 15- by 30-km oval-shaped depression located 20 km south of Mono Lake along the east side of the Sierra Nevada in east-central California.
		We are revising the Long Valley Observatory website and hope to launch a new version in early Fall 2005.
		This ongoing unrest includes recurring earthquake swarms and continued dome-shaped uplift of the central section of the caldera (the resurgent dome) accompanied by changes in thermal springs and gas emissions.
	lvo.wr.usgs.gov (388 words)

	`Iao valley
		Rising 1200 feet above the valley, the `Iao needle is a volcanic spine shaped by erosion.
		`Iao valley (region of exotic tropical plantations and lush greenery; Mark Twain called it the "Yosemite of the Pacific")
		The 'Iao stream, where a furious battle for control was fought by King Kamehameha in 1790.
	dynamo.ecn.purdue.edu /~ghosha/iao1.html (69 words)

	Engadin - Wikipedia, the free encyclopedia
		After Zuoz (1700 m), a beautiful village of typical Engadine houses with thick walls, funnel-shaped windows and wall paintings called graffiti, the landscape changes suddenly to the Lower Engadin: the Inn, now rather wild, flows through a deep gorge with steep walls and the meadows change to larch woods.
		The villages are no more in the valley but higher up on sunny terraces formed in the glacial period.
		East of St. Moritz, the valley opens into the Upper Engadin, a wide plain framed with mountains.
	en.wikipedia.org /wiki/Engadine (69 words)

	Yosemite National Park Information Page
		In contrast to the valley's sheer walls, the Merced Canyon along California 140 outside the park is a typical river-cut, V-shaped canyon, for the glaciers did not extend this far.
		Yosemite National Park possesses outstanding recreational values and supreme scenic attractions, including alpine and subalpine wilderness, three groves of giant sequoia trees and thundering waterfalls that are among the world's highest.
		Yosemite National Park is a showcase of spectacular geological features, including the greatest concentration of granite domes in the world and the largest exposed granite monolith in the world.
	www.yosemite.national-park.com /info.htm (69 words)

	Moreno Valley on Encyclopedia.com
		View from Quito: occupying a narrow valley in the Andes, Quito's evolution from colonial outpost to modern city has been shaped by legend, myth, topography and a rising population.(View)
		Moreno Valley is the seat of a branch of Chapman Univ. Nearby is a state park with recreational facilities.
		In 1990, Moreno Valley was California's fastest-growing city, with a population increase of more than 300% between 1980 and 1990, but major reductions in the military and aerospace industries brought an abrupt halt to growth in the mid-1990s.
	www.encyclopedia.com /html/M/MorenoV1a.asp (493 words)

	Tyropoeon Valley Information
		Glacial valley s, which are usually U- rather than V-shaped, were formed tens of thousands of years ago (most likely during the last Ice Age) by the massive erosive power of glaciers.
		Valleys are, however, most commonly formed by fluvial activity (the action of running water, such as river s), which erosionerode s the landscape.
		Rift valley s, such as the Great Rift Valley, are formed by the expansion of the Earth 's crust due to Plate tectonicstectonic activity beneath the Earth's surface.
	www.echostatic.com /index.php?title=Tyropoeon_Valley (493 words)

	Glaciers and Glaciation - Practice Questions
		Glacial valleys are "V" shaped in cross section because most of the glacial load is carried at the bottom of the glacier.
		When a valley glacier is retreating, the ice front of toe of the glacier is melting up the valley while the ice is moving down the valley.
		Glacier ice moves or flows easily because the ice crystals are all aligned or foliated as in a foliated metamorphic rock.
	motted.hawaii.edu /~quizuser/quizzes/kev/300glacier.html (493 words)

	Crater Lake National Park: Nature Notes (1937)
		The conclusive evidence that the flow buried a glacial valley is as follows: (1) The cross-section of the base of the flow is distinctly U-shaped.
		From the evidence presented it may be concluded that Llao Rock represents a recent lava flow which filled and buried a glacial valley carved to a depth of 500 to 600 feet on the northwest slope of Mount Mazama, and that the flow occurred when the valley was free of ice.
		A sufficient quantity of lava issued to completely fill and overflow the glacial valley which has been carved to a depth of 500 to 600 feet, the maximum thickness of the flow being approximately 1,200 feet.
	www.nps.gov /crla/notes/vol10-3b.htm (493 words)

	Glaciers of California: CHAPTER FOUR
		Retreat of this glacier probably left waterfalls and a large, deep, lake that became in-filled with river-transported sediment, burying the lower part of the U-shaped glacial valley.
		In the 1870s the origin of the valley became the subject of a dispute, sometimes bitter, known as the "Yosemite Problem" or the "Yosemite Controversy." At first, debate centered upon the competing roles of faulting, advocated by Josiah D. Whitney, and glacial erosion, advocated by John Muir.
		Huber points out that most all of the basic rock present in Yosemite Valley is fine grained, rather than coarse grained, and that abundant joints are associated with fine-grained rocks of whatever mineral composition, granitic or basic.
	www.ucpress.edu /books/pages/8119/8119.ch04.html (493 words)

	Native Americans
		Caddo villages consisted of cone-shaped earth lodges placed in a circle around a common area used for ceremony and celebration.
		An agricultural tribe, the sun was a main deity of the Caddo and many ceremonies were held to honor sowing and harvesting crops.
		As was so often the case, with the whites came disease unknown to the Caddo, and epidemics of small pox and measles soon wiped out many.
	www.thewildwest.org /native_american/society/Caddo.html (493 words)

	Tour Britain Accommodation and Guide - South Wales Valleys
		Merthyr Tydfil at the head of the Taff valley is surrounded by high hills and ridges which form natural boundaries that have shaped the town.
		Stretching from the Rhondda Valley in the west to the Ebbw Valley and Coity Mountain in the east, this region is filled with natural beauty and has a huge range of attractions for visitors.
		North of this region is the Brecon Beacons National Park, which begins abruptly along the 'Heads of the Valleys'.
	www.tour-britain.com /area10.html (240 words)

	Oregon Wines - Willamette Valley Wineries and Wine Region
		"V"-shaped Valley is bordered to the north by the Columbia River, to the south by the Calapooya Mountains (south of Eugene), to the east by the Cascade Mountain foothills, and to the west by Oregon's Coast Range.
		The Valley's climate is particularly well matched to the early-ripening Pinot noir grape, for which Oregon wineries in the region are strongly identified.
		Twenty years later, winemakers and wine growers succeeded in submitting applications for approval of several sub-regions within the Willamette Valley, to better describe micro climates that had proven over the years to be particularly suited for the growing of wine grapes.
	www.winesnw.com /will.html (448 words)

	Oregon Wines - Willamette Valley Wineries and Wine Region
		"V"-shaped Valley is bordered to the north by the Columbia River, to the south by the Calapooya Mountains (south of Eugene), to the east by the Cascade Mountain foothills, and to the west by Oregon's Coast Range.
		The Valley's climate is particularly well matched to the early-ripening Pinot noir grape, for which Oregon wineries in the region are strongly identified.
		Twenty years later, winemakers and wine growers succeeded in submitting applications for approval of several sub-regions within the Willamette Valley, to better describe micro climates that had proven over the years to be particularly suited for the growing of wine grapes.
	www.winesnw.com /will.html (448 words)

	Terrestrial Ecoregions -- Willamette Valley forests (NA0417)
		Throughout history, fire shaped the biodiversity of the Willamette Valley.
		The Willamette Valley is the only home in the world for a yellow-flowered member of the parsley family called Bradshaw's lomatium.
		In the valley's grasslands, there is a mixture of danthonia, bentgrass, orchard grass, needle grass, fescue, and prairie June grass.
	www.nationalgeographic.com /wildworld/profiles/terrestrial/na/na0417.html (448 words)

	Valley Of The Kings
		The tomb of Tuthmose III is at the far end of the East Valley and is one of the earliest in the Valley.
		Its burial chamber is in the shape of a cartouche (oval-shaped) and its inscriptions are interspersed with stick figures.
		The Valley of the Kings occupies the lower centre of the image.
	www.powerup.com.au /~ancient/kv.htm (448 words)

	10(af) Landforms of Glaciation
		Cirques are the bowl shaped depressions found at the head of glacial valleys.
		The flow of an alpine glacier into a valley, causes the glacier to rapidly advance producing a swollen tongue of ice at the glacier's snout, known as a lobe.
		In alpine areas, sediment is added to the surface of the glacier from the valley walls through various types of mass movement.
	www.physicalgeography.net /fundamentals/10af.html (448 words)

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