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	Astrobleme
		The 450 million year old crater is 3.8 km in diameter and is located in Ontario Canada.
		Notwithstanding the fantastic destructive energy unleashed in the Brent Crater explosion, the meteorite that caused it was perhaps only 150 meters in diameter.
		The life forms in and around the crater now are among the most diverse anywhere in the world at this latitude.
	www.meteoritelabels.com /Brent.html (348 words)

	crater. The Columbia Encyclopedia, Sixth Edition. 2001-05
		Complex craters have a raised central peak surrounded by a trough and a fractured rim.
		Craters that have been obliterated by erosion over thousands of years, leaving only a circular scar on the earth’s surface, are called astroblemes.
		Craters are also commonly formed at the surface opening, or vent, of erupting volcanoes, particularly of the type called cinder cones, where the lava is extruded rather explosively.
	www.bartleby.com /65/cr/crater.html (515 words)

	Ottawa Centre - R.A.S.C. : Terrestrial Meteorite Craters
		The Brent meteorite crater, highlighted by the circle in the landsat image, is located within the northern boundary of Algonquin Park 75 km east of Lake Nipissing (Note 1).
		The gradual addition of the sedimentary layers in the crater tended to compact the under-laid rubble layer causing the bottom of the shallow sea occupying the crater to sink.
		From the observation tower at Muskwa Lake on the southern rim (#1) the Brent Crater is visible to the north and northwest.
	www.ottawa.rasc.ca /articles/odale_chuck/earth_craters/brent/index.html (3425 words)

	Brent Structure, Ontario (Site not responding. Last check: 2007-09-23)
		The only thing that bothers me just the teensiest bit about Brent is that it's right along the trend of the Ottawa Graben, with the Montreal diatremes and Oka carbonatite to the east and the Callander Bay alkalic complex to the west, and beyond that are Sudbury and Lake Wanapitei.
		The rim of the crater is Precambrian crystalline rock but the floor is Ordovician limestone.
		Craters with similar interior landslides are common on the moon.
	www.uwsp.edu /geo/projects/geoweb/participants/dutch/VTrips/Brent.HTM (428 words)

	ICDY Project page
		Impact cratering is increasingly being recognised as one of the driving mechanisms of planetary geological evolution due to the effect of major impacts upon subsequent tectonic events.
		The cross-sections through the centre of the crater are fairly similar, and the cross-sections outside of the crater exhibit a greater degree of variation.
		The impact crater is the circle to the north west of this image, and the remaining false candidates shown are small quasi-circular features with a non-impact morphology.
	earth.esa.int /rtd/Projects/ICDY (2418 words)

	Brent
		Dabizha, A. I., A new interpretation of the structure of meteorite craters (in Russian).
		Dabizha, A. I., Krass, M.S. and Fedynsky,V.V., Evolution of meteorite craters as structures of planetary crust (in Russian).
		Palme, H., Grieve, R.A.F. and Wolf,R., Identification of the projectile at Brent crater, and further considerations of projectile types at terrestrial craters.
	www.unb.ca /passc/ImpactDatabase/images/brent.htm (1559 words)

	Volcanoes - Crystalinks
		Such craters are typically less than 1 mi (1.6 km) across, but larger craters, called calderas, ranging in diameter from 3 mi to - in a few instances - 50 mi (5-80 km), are formed by particularly large eruptions.
		Craters are circular, bowl-shaped depression on the earth's surface.
		A caldera is a much larger crater, typically ranging from 3 to 18 mi (5-30 km) in diameter, and represents a considerable fraction of the volcano's basal diameter.
	www.crystalinks.com /volcanoes.html (2388 words)

	Highbeam Encyclopedia - Search Results for Brent
		Astroblemes are found at numerous places on the earth's surface, e.g., Meteor, or Barringer, Crater in Arizona, Brent Crater in Ontario, and Vredefort Ring in South Africa.
		Why Brent needs oiling; the world's "marker" price for oil is being set by an increasingly flawed market.
		Brent blues: the Brent market is the biggest oil-trading forum, helping to set the price of much of the world's oil; an obscure court case could bring it to its knees.
	www.encyclopedia.com /SearchResults.aspx?Q=Brent (647 words)

	Johns, W. H. --- Anomalous Ages for Meteorite Impacts and Tektites
		The presence of coesite, suevite and shatter cones indicates that this is an impact crater (Schnetzler et al.
		The Brent Crater, Ontario, is the most revealing, since we now have 34 dated samples from 12 drill holes, thus ranking with the Manicouagan in terms of number of readings (Hartung et al.
		It is strange that the generally accepted date for the Brent cratering event is a minimum of 414 m.y.
	www.grisda.org /origins/03085.htm (3924 words)

	AllRefer.com - crater (Geology And Oceanography) - Encyclopedia
		crater, circular, bowl-shaped depression on the earth's surface.
		Of the more than 120 impact craters identified on earth, the largest are at Manicouagan, Canada; Vredefort, South Africa; and Chicxulub (off the coast of the YucatAn peninsula), Mexico.
		Some volcanic craters are created by a combination of these events.
	reference.allrefer.com /encyclopedia/C/crater.html (582 words)

	Remote Sensing Tutorial Page 18-5
		Typical of a crater in ridges of crystalline rock is the Gow structure.
		West Clearwater is a complex crater, with a circular ridge as a remnant of the central peak; East Clearwater is a simple crater.
		The second largest impact crater (about 300 km [200 miles] wide) on Earth is the Vredefort Dome (once considered that type of structure until shatter cones revealed its extraterrestrial origin as a depression) in South Africa southeast of Johannesburg.
	rst.gsfc.nasa.gov /Sect18/Sect18_5.html (1681 words)

	crater — FactMonster.com
		Craters that have been obliterated by erosion over thousands of years, leaving only a circular scar on the earth's surface, are called
		Craters of the Moon National Monument - Craters of the Moon National Monument Craters of the Moon National Monument, 53,440 acres (21,636...
		Crater Lake National Park - Crater Lake National Park Crater Lake National Park, 183,224 acres (74,206 hectares), SW Oreg., in...
	www.factmonster.com /ce6/sci/A0813940.html (569 words)

	Meteorite Craters Challenge Young-Earthism
		Crater evidence indicates that the earth, its moon, and other bodies in our solar system have been impacted by millions of meteorites.
		An early attempt to deal with the crater evidence was made by the "father of modern creationism," Henry M. Morris, who suggested that lunar and Martian craters might represent battle scars of a cosmic war between angels and Satan (Morris, 1972; Spears, 2006).
		Over 150 major craters have been documented in the geologic record, and this is undoubtedly a small fraction of the actual number, since most would have been obliterated by tectonic movement and erosion, or hidden under sediments.
	paleo.cc /ce/craters.htm (1350 words)

	brentcon
		Brent was at the premiere for "Insurrection" on 18 December, which I won't spoil for those who haven't seen it yet but it's very funny in parts!
		Brent said, "I say this with the deepest respect, but you do realise Data is a fictional character..." Which brought laughter from the audience.
		Brent said it was a luxury working on a TV show for seven years, both for the money and working with the cast and crew.
	members.fortunecity.com /seawave/brentcon.htm (2373 words)

	Brent Crater
		First recognized in 1951 from aerial photographs, the crater is a circular depression about 3 km in diameter formed in Precambrian crystalline rocks.
		Geophysical and diamond drilling investigations show that the crater has a present depth of about 427 metres but is partly filled by sedimentary rocks with a thickness of 274 metres.
		Like the similar New Quebec (Chubb) crater, the Brent crater is attributed to the high speed impact of a giant meteorite.
	www.ontarioplaques.com /Plaques_MNO/Plaque_Nipissing01.html (193 words)

	Mail Tribune Sports - Foster finds right balance for Crater
		Crater coach Chuck Dominiak says he had similar expectations for Foster, especially considering the third baseman's work ethic.
		That type of work ethic is one characteristic of most Crater players, and not surprisingly translated into the team's No. 1 ranking earlier this season and a 24-3 overall record after Tuesday's state playoff win.
		Crater fans should remember Charles well considering the senior catcher smashed three home runs and registered nine RBIs in helping the Indians sweep the Comets.
	www.mailtribune.com /archive/99/may99/52699s2.htm (1027 words)

	Mail Tribune Sports - Roseburg holds early advantage in SOC race
		CRATER: The Comets have to replace the most high-profile names of any SOC team, but the cupboard is far from bare on this team full of speedy athletes.
		Regardless of his players’ experience, Crater coach Chuck Dominiak sees a promising future for a group of Comets that have risen through a program that has been in the top-10 throughout their baseball careers.
		Despite the question marks, Crater is ranked No. 4 in the Class 4A coaches poll, with North Medford fifth and Roseburg 11th.
	www.mailtribune.com /archive/2001/march/032801s1.htm (1814 words)

	Heritage Perspectives: Brent railroad village 2
		Brent, 30 km east of Kiosk on Cedar Lake in Algonquin Park, is the other major stop I want to look at on the abandoned CNR line in northern Algonquin Park.
		Brent was not only a lumber town, but also a railway, MNR, and tourist village in its prime.
		The Brent Heritage Days in the Ranger cabin at Brent will include, along with a book signing, a display of photographs and other artefacts from some of the several families that spent long periods there in the decades that followed Rebecca's departure.
	www.pastforward.ca /perspectives/August_102001.htm (917 words)

	WHCG - Welsh Harp - Brent Reservoir - Brent Reptiles
		WHCG - Welsh Harp - Brent Reservoir - Brent Reptiles
		Using this information and personal observations of several of the regular birders at Brent it is possible to give a brief list of the reptiles and amphibians that have been recorded and a summary of their status.
		Occasionally adults are found in the waterside vegetation but their most obvious signs are the mass of frogspawn and later the tadpoles in ponds, especially the bomb crater pond on the North Bank.
	www.brentres.com /reptiles.htm (467 words)

	Algonquin Park -
		Continue on the Brent Road for 39.5 kilometres to the Brent Campground on the north shore of Cedar Lake.
		The historic Brent Ranger Cabin is located on Cedar Lake and is available for rent.
		The Brent Crater Trail is a two-kilometre interpretive trail that explains the wonders of a 450-million-year-old meteor strike.
	www.algonquinpark.on.ca /campcan/pericamp.html (907 words)

	brentdevries.com\|homepage\|blog
		Ocean on one side, the mountains of the crater wall rising on the other.
		Wednesday it was time to move on, heading back to Sao Felipe to catch a ride up to the crater.
		The drive into the crater was impressive, we gradually ascended steep roads through scrubland reminiscent of central California with yellowing drying grass and acacia, dotted with various small towns.
	www.brentdevries.com /labels/peacecorps.html (927 words)

	Brent Crater in Algonquin Park from the air : Flying around Deep River - 17th June 2003 - 4 of 6 - Deep River, Ottawa ... (Site not responding. Last check: 2007-09-23)
		Brent Crater in Algonquin Park from the air : Flying around Deep River - 17th June 2003 - 4 of 6 - Deep River, Ottawa Valley, Ontario, Canada and surrounds - 2003 - part of Lachlan Cranswick's Personal Homepage
		Brent Crater in Algonquin Park from the air : Flying around Deep River - 17th June 2003 - 4 of 6
		Brent Crater in Algonquin Park from the air (Brant Lake, Gilmour Lake and Tecumseh Lake)
	lachlan.bluehaze.com.au /chalk_river/2003/june2003/17jun2003d/index.html (535 words)

	ValleyExplore.com - Walking Trail Guide - Brent Crater Trail
		Continue on the right-hand fork to the Brent Crater (35 km from Hwy 17).
		There are numbered posts from 1 to 6 along the trail designating natural features described in full in the trail guide on the Brent Crater Trail available from the park office.
		Twelve diamond drill holes were made to investigate the layers of rock beneath the crater.
	www.valleyexplore.com /walk/ottawa/brent.htm (675 words)

	crater — Infoplease.com
		Copernicus, king of craters: on the moon, this crater rules.
		Quest for oil yields ancient crater: the Silverpit impact site may give scientists an idea of what happens when a space object slams......
		A buried Iowa crater finally comes of age.
	www.infoplease.com /ce6/sci/A0813940.html (656 words)

	Heritage Perspectives:Brent:A walk in the park
		For further information on the store check their Brent website Algonquin Outfitters Brent Store, where there are details on the history of the store and on Jake Pigeau the manager.
		The Brent road touches the edge of the crater and an observation tower provides a look at the crater to the north and northwest.
		My son and I were in Brent last week doing some research on mica mines there as part of a project we are a part of.
	www.pastforward.ca /perspectives/july_112003.htm (814 words)

	About Algonquin Outfitters
		Brent customers should stay on 17 to the Brent Road, just past the town of Deux Rivieres.
		The winding (and often washboard) Brent Road is probably not the most suitable destination for large RV’s or boat trailers.
		Created 450 million years ago by one of the largest meteorites to ever impact the earth, the crater is a spectacular geological feature.
	www.algonquinoutfitters.com /about_find.html (1359 words)

	Meteor Crater Map - Explore 50 Meteor Impact Sites! - GEOLOGY.COM
		Explore fifty of earth's most obvious meteor impact craters with satellite images and maps.
		Use the buttons in the upper left to navigate and change your zoom level.
		"Meteor crater" is the most common useage for craters produced by a meteor impact.
	geology.com /meteor-impact-craters.shtml (197 words)

	Meteorite Impact References by Location
		Howard, K.A., and Wilshire, H.G., 1975, Flows of impact melt at lunar craters*: Jour.
		Orphal, D.L., and Schulz, P.H., 1978, Manicouagan, a terrestrial analog of lunar floor-fractured craters?*: Meteoritics, v.13, n.4, p.
		Palme, H., Grieve, R.A.F., and Wolf, R., 1981, Identification of the projectile at the Brent-crater and further considerations of projectile types at terrestrial craters*: Geochim.
	skywalker.cochise.edu /wellerr/meteorite-impact-ref/metref-loc-canada3.htm (1160 words)

	Search Results for "Brent"
		The area is a rail and industrial center.
		...In 1965 the county was principally reorganized into the Greater London boroughs of Barnet, Brent, Ealing, Enfield, Haringey, Harrow, Hillingdon, Hounslow, and Richmond...
		...are found at numerous places on the earth's surface, e.g., Barringer Crater in Arizona, Brent Crater in Ontario, and Vredefort Ring in South Africa.
	www.bartleby.com /cgi-bin/texis/webinator/sitesearch?FILTER=col65&query=Brent (203 words)

	Internet Archive Forums: View Post (Site not responding. Last check: 2007-09-23)
		Although 'Brent tunes' served a purpose back in the day, a complete CD of them seems rather redundant.
		brent is smoking hot in cape cod 10 27 1979 d/l dancing in the street it leaves a smoking crater in my mind
		He adds a whole new dimension to the band and is incredible to listen too.
	www.archive.org /iathreads/post-view.php?id=36544 (140 words)

	Crater
		km) in diameter and 600 ft (180 m) deep, is probably the best-known crater of this type.
		Of the more than 120 impact craters identified on earth, the largest are at Manicouagan, Canada; Vredefort, South Africa; and Chicxulub (off the coast of the Yucatán peninsula), Mexico.
		is a much larger crater, typically ranging from 3 to 18 mi (5–30 km) in diameter, and represents a considerable fraction of the volcano's basal diameter.
	www.question.com /link/crater.html (580 words)

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