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Topic: Newberry Caldera

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Newberry Volcano

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Newberry National Volcanic Monument

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	Newberry National Volcanic Monument Points of Interest - Newberry Caldera
		The Newberry Crater area occupies the caldera at the summit on Newberry Volcano, one of this country's largest volcanoes.
		Newberry Crater, a caldera, is perched at the top of Newberry Volcano, a large shield-shaped volcano.
		Newberry Crater is rimmed with steep, 700- to 1700-foot-high walls except on the west side where Paulina Creek drains Paulina Lake.
	www.fs.fed.us /r6/centraloregon/newberrynvm/interest-newberry.shtml (762 words)

	Caldera Spa -- Recommendations and Resources (Site not responding. Last check: 2007-10-12)
		Caldera Systems is also the former name of SCO Group, and is also the name of the port of the city of Puntarenas.
		A caldera collapse is usually triggered by the emptying of the magma chamber beneath the volcano, often as the result of a large eruption.
		Further lava flows may be erupted, and the center of the caldera is often uplifted in the form of a ''resurgent dome'' by subsequent intrusion of magma.
	www.becomingapediatrician.com /health/25/caldera-spa.html (1221 words)

	Newberry House
		Category:Research libraries The Newberry Library is an important research library for the humanities and social sciences in Chicago, Illinois, established in 1887 by Walter L. Newberry.
		A deep gash in the northern caldera wall, dubbed The Fissure, is the end of a 29 mile (47 km) long series of fractures called the Northwest Rift Zone.
		A great deal of volcanic activity has occurred on Newberry's shield, which itself has one of the largest collections of cinder cones, domes, lava flows, and fissures in the world (local residents call these parasitic vents the "Paulina Mountains", as if they were their own mountain range).
	www.artistbooking.com /trips/145/newberry-house.html (924 words)

	Newberry Volcano: NEW hazard assessment published
		View of Newberry caldera from Paulina Peak on the south rim of the caldera.
		Although Newberry is presently quiet, when the volcano becomes restless, be it tomorrow or many years from now, the eruptive scenarios described herein can inform planners, emergency response personnel, and citizens about the kinds and sizes of events to expect.
		Newberry is a broad shield volcano built by thousands of eruptions, beginning about 600,000 years ago.
	volcanoes.usgs.gov /About/Highlights/NewberryHaz/NewberryHaz.html (383 words)

	Newberry Volcano, Oregon - USGS Open-File Report 97-513
		The most-visited part of the volcano is Newberry Crater, a volcanic depression or caldera at the summit of the volcano.
		The hazard zone for gases is restricted to the caldera, owing to the presence of known gas seeps there and the numerous small topographic depressions found upon the caldera floor.
		From studies at Newberry and other Cascade volcanoes and volcanic fields, we estimate that 10-20 m (33-66 ft) is a representative range for the average thickness of a field of lava flows that would accumulate during an eruptive period.
	www.geo.mtu.edu /department/classes/ge404/jmshaha/newberryt.html (5451 words)

	USGS: Geological Survey Circular 838 (Newberry Volcano, Oregon) (Site not responding. Last check: 2007-10-12)
		Newberry lies at the west end of the High Lava Plains, a terrain formed of Miocene to Quaternary basalt flows and vents punctuated by rhyolitic domes and vent complexes (Walker and others, 1967; Greene and others, 1972; Walker and Nolf, this vol.).
		The north and south flanks of Newberry Volcano, which extend the greatest distances from the summit caldera, are almost exclusively veneered by basalt and basaltic andesite flows and associated vents.
		The ages of the calderas and of the ash flows that we consider to be related to their formation are poorly known.
	cr.nps.gov /history/online_books/geology/publications/cip/838/sec4.htm (5015 words)

	CVO Website - Newberry Caldera Vicinity, Oregon
		Newberry volcano is a broad shield volcano located in central Oregon.
		The flow extends northward from near the outer caldera wall to near the paved road in the caldera and, in its northern part, partly filled an older pumice ring.
		Newberry Crater holds two alpine lakes, East and Paulina, which are home to trophy-size brown and rainbow trout, as well as kokanee and Atlantic salmon.
	vulcan.wr.usgs.gov /Volcanoes/Newberry/Locale/framework.html (1082 words)

	East Lake Resort - Geology (Site not responding. Last check: 2007-10-12)
		Newberry Caldera (Crater) was formed 500,000 to 250,000 years ago when Mt. Newberry collapsed leaving a crater 5 miles across and over 2,800 feet deep.
		Newberry Volcano, located to the south and east, erupted along a series of fissures on its northwest flank, sending smooth-textured pahoehoe lava onto the surface through many vents located along the fissures.
		Obsidian from Newberry was traded up and down the Pacific Northwest and had been found as far away a British Colombia in Canada.
	www.eastlakeresort.com /Geology.htm (752 words)

	Caldera Spas -- Recommendations and Resources (Site not responding. Last check: 2007-10-12)
		Calderas may be filled with water, creating crater lakes.
		Caldera taught sociology and law at various universities before entering politics.
		He first ran for president unsuccessfully in 1946 and tried again every time it was possible until finally succeeding in 1968, winning by a relatively scant 50,000 votes against a recently divided Acción Democrática party.
	www.becomingapediatrician.com /health/25/caldera-spas.html (1221 words)

	Newberry Caldera Strikes Back - Bad Astronomy and Universe Today Forum (Site not responding. Last check: 2007-10-12)
		Newberry Caldera is one of my favorite camping spots so I tend to watch it along with St. Helens.
		Usually that Newberry siesmographs are as flat as paper, with an ocasional quake from other area's detected.
		Newberry Caldera it seems because of it's 500sq miles of tree's inside the crater, tends to have much higher signals from wind storms then other places, due to focusing effects.
	www.bautforum.com /showthread.php?p=842187 (948 words)

	Global Volcanism Program \| Newberry \| Summary (Site not responding. Last check: 2007-10-12)
		Newberry volcano, situated east of the Cascade Range, is one of the largest volcanoes in the conterminous United States, covering an area of about 1600 sq km.
		The low-angle basaltic to basaltic-andesite shield volcano is dotted with more than 400 cinder cones; however Newberry has also produced major silicic eruptions associated with formation of a 6 x 8 km wide summit caldera containing two caldera lakes.
		Caldera collapse is thought to be associated with major ash flows emplaced about 0.5 and 0.3-0.5 Ma.
	www.volcano.si.edu /world/volcano.cfm?vnum=1202-11- (230 words)

	Newberry Volcano, Oregon
		Newberry volcano is about 20 miles (30 km) southeast of Bend and is one of the largest volcanoes in the Cascades.
		The summit caldera is 3 by 4 m iles (5 by 7 km).
		The northwest margin of the lake is bounded by the northwest rim of the caldera.
	volcano.und.nodak.edu /vwdocs/volc_images/north_america/newberry.html (579 words)

	Untitled Document (Site not responding. Last check: 2007-10-12)
		Basaltic eruptions are well known from observations elsewhere, such as at Hawaii, where spectacular fountains of spatter and cinders are associated with lava flows.
		At Newberry, basaltic eruptions have occurred repeatedly on the volcano's flanks and in the caldera.
		The eruptions began with tephra showers that deposited pumice lumps and dense lava blocks as large as 1 meter (3 feet) within the caldera.
	oregonstate.edu /~hoguej/Newberry.html (343 words)

	Not Crater Lake, it's Newberry … the West's newest national monument - Newberry National Volcanic Monument, ...
		Newberry Crater was formed by volcanic events that began about 500,000 years ago.
		Cupped in the caldera lie two of the best fishing lakes in Oregon-Paulina and East-as well as two rustic resorts, seven campgrounds, numerous surrounding hiking trails, and view points.
		Along Newberry Crater Road beside Paulina Creek are two individual campgrounds, Prairie and McKay Crossing, and a group camp, Ogden.
	www.findarticles.com /p/articles/mi_m1216/is_n1_v187/ai_10883287 (984 words)

	Newberry National Volcanic Monument - Welcome
		In November of 1990, Newberry National Volcanic Monument was created within the boundaries of Deschutes National Forest.
		Newberry National Volcanic National Monument includes 50,000+ acres of lakes, lava flows, and spectacular geologic features in central Oregon.
		The summit area of Newberry Volcano holds two sparkling alpine lakes full of trout and salmon.
	www.fs.fed.us /r6/centraloregon/newberrynvm/index.shtml (488 words)

	Newberry, OR Lunar Landform Geologic Fieldtrip
		Newberry collapsed and formed a caldera, now occupied by two beautiful lakes surounded by campgrounds, as a result of emptying it's underground magma reservoir during it's last big eruption, thus allowing the solidified lava above it to collpse into the now empty magma chamber of it's own weight.
		Features like Newberry once was before it's collapse into a caldera can be found in some of the more famous dome areas of the Moon, such as the Hortensius area pictured in the montage above.
		Another aspect of the Newberry caldera that showcases a feature also observable on the lunar surface is a lobate basaltic lava flow.
	mywebpages.comcast.net /picspace1/newberry-fieldtrip1.htm (1623 words)

	Volcanoes of the Eastern Sierra Nevada
		A caldera is a depression in the Earth’s surface, caused by the overlying ground collapsing.
		Since Newberry was formed by thousands of small eruptions, it has many layers of composite tuff, which are not as easily distinguishable as the Bishop Tuff (Deschutes, 2002).
		Before lava flows bisected the Newberry Caldera it had a diameter of 4 miles from north to south and 5.5 miles from east to west - not even half the size of the Long Valley Caldera.
	www.indiana.edu /~sierra/papers/2002/pew.html (2636 words)

	Golden Gate Photo - Newberry Volcanic Gallery
		Newberry National Volcanic Monument covers over 50,000 acres (about 80 square miles) around the Newberry Caldera.
		The 4 to 5 mile wide caldera is the central crater of a shield volcano that covers 500 square miles (1,400 Km), one of the largest volcanic areas in the continental United States.
		On the northwest flank of the Newberry Volcano lie the fossil remnants of the forest that stood there about 6,000 years ago.
	www.goldengatephoto.com /westus/newberry.html (351 words)

	Newberry National Volcanic Monument - Bend, OR
		Before the Ice Age, Mt. Newberry formed as a shield volcano, the highest point of the Paulina Mountains, set apart from the Cascade Range to the west.
		Newberry Crater is named for Dr. John Strong Newberry, a physician and naturalist, who accompanied the 1855 Topographic Corps Expedition, mapping future railroad routes.
		Newberry National Volcanic Monument is also a recreational playground for thousands of visitors each year.
	www.eatstayplay.com /html/or/a5802p314c2386.html (824 words)

	Washington NASA Space Grant Consortium
		The vehicle belonged to a family who were killed at their small mine, on the ridge 1 1/2 miles to the west.
		From the summit of Paulina Peak (7,985 ft.), we had a sweeping view of the two lakes that fill the Newberry caldera, as well as the peaks of the Cascade range.
		Newberry Volcanic National Monument covers more than 50,000 acres of lakes and lava flow.
	www.waspacegrant.org /volcanphotos.html (785 words)

	Evidence for Recent Uplift of Caldera Floor, Newberry Volcano, Oregon (Site not responding. Last check: 2007-10-12)
		The caldera of Newberry Volcano in central Oregon has been the site of several silicic and mafic eruptions during the past 10,000 yr.
		We report evidence that the floor of the caldera near its center has been rising for part or all of the past two millennia.
		Implications of these findings are important to current and future studies of volcanic and hydrologic hazards, archaeology, geothermal resources, knowledge of caldera unrest, and the geologic history of the caldera.
	users.bendnet.com /bjensen/biblio/paulinup.html (357 words)

	Abstract: Newberry upwelling and Cascadian subduction: Convective interactions in the mantle beneath Oregon
		The Newberry track projects back to a possible origin at the McDermitt Caldera which was last active around 16 Ma.
		We have deployed a seismic array across Oregon extending from the McDermitt Caldera to the northwest along the Newberry track, past the Newberry Caldera, over the High Cascades and on to the coast within ~100 km of the trench.
		The array allows us to constrain the subsurface structure associated with the Newberry track and caldera, and the subducted Juan de Fuca slab using the large number of teleseismic earthquake sources within a few degrees of the array azimuth.
	seismo.berkeley.edu /~rallen/pub/abs/2004.MYRES.OATS.php (381 words)

	Newberry CraterA Ten-Thousand-Year Record of Human Occupation and Environmental Change in the Basin-Plateau Borderlands
		Because Newberry has been a sight of human activity throughout the Holocene, and the region is well within the zone of airfall deposits from the eruption of nearby Mt. Mazama (ca 7,500 BP), the caldera provides a cultural record that spans the epoch within a context of unambiguous and well-dated volcanic sediments
		Clear evidence for regular use of the caldera can be seen from about four thousand years ago and appears to have been focused on quarrying obsidian laid down after the Mazama eruption.
		It thus appears that principal users of the Newberry caldera resided in the upper Deschutes River basin and were tied into exchange networks extending throughout the Columbia Plateau as well as the northern Great Basin.
	www.uofupress.com /store/product138.html (244 words)

	Skiing the Cascade Volcanoes: Newberry Volcano
		Newberry Volcano is the largest volcano in Oregon, a broad shield volcano with a huge area of 600 square miles (1500 square km) and massive volume of 110 cubic miles (450 cubic km) which are second only to Medicine Lake Volcano in the entire Cascade Range.
		The summit of Newberry has collapsed to form a large 3 x 4.5 mile (5 x 7 km) caldera known as Newberry Crater, which holds two lakes, Paulina and East Lakes, that contain a number of hot springs revealing that magma lies close below the surface.
		To the south lie hundreds of cinder cones dotting the southern flanks of Newberry itself, while to the north and east is the broad expanse of Newberry Crater with its two lakes, several obsidian flows, and Central Pumice Cone.
	www.skimountaineer.com /CascadeSki/CascadeSki.php?name=Newberry (911 words)

	Bakercityherald.com
		Although there may have been a lake or lakes in the Tower Mountain caldera at one time, Ferns said, there’s none there now because the floor of the caldera probably rose over the millennia.
		But no one had ever discovered the caldera, which is about 10 miles across, he said.
		The Tower Mountain caldera wasn’t the only surprise geologists discovered during their several years of research.
	www.bakercityherald.com /news/story.cfm?story_no=1048 (688 words)

	Caldera Springs Real Estate
		In the midst of Central Oregon, Caldera Springs is surrounded by over a million acres of national forest lands and hundreds of acres of rivers and streams not to mention all the sparkling lakes.
		Located on the western edge of the Newberry National Monument, Caldera Springs is close to Paulina Lake, the Big Obsidian Flow, Mt. Bachelor and the Deschutes River.
		Caldera Springs offers 320 homesites, plus 40-60 cabins (currently in planning process).
	www.centraloregonbuzz.com /caldera-springs.php (296 words)

	Oregon: Newberry Volcano (Site not responding. Last check: 2007-10-12)
		Access to the caldera is blocked by snow during the winter months.
		The prehistory of the caldera area in general is described by Flenniken and Ozbun (1988) and Connolly (1999).
		Click here to visit the State Museum of Anthropology's description of their archaeological research in Newberry Caldera in 1990-1992 and to see the rest of the contour map.
	www.sourcecatalog.com /or/or_newberry_volcano.html (465 words)

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