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Topic: Submarine trench

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	Trench
		Japan Trench The Japan Trench is a depression in the floor of the northern Bonin Islands and is 9,000 m (30,000 ft) at i...
		Mariana Trench The Mariana Trench is the Mariana Islands.
		Trench foot Trench foot is a fungal infection caused by prolonged exposure of the feet to damp and cold.
	www.brainyencyclopedia.com /topics/trench.html (330 words)

	Mariana Trench - Wikipedia, the free encyclopedia
		The Mariana Trench (or Marianas Trench) is the deepest known submarine trench, and the deepest location in the Earth's crust itself.
		It is located in the floor of the western North Pacific Ocean, to the east of the Mariana Islands at 11° 21' North latitude and 142° 12' East longitude, which is near Japan.
		The trench is the boundary where two tectonic plates meet, a subduction zone where the Pacific Plate is being subducted under the Philippine Plate.
	en.wikipedia.org /wiki/Mariana_Trench (465 words)

	Peru-Chile Trench (Site not responding. Last check: 2007-11-03)
		The Peru-Chile Trench, also called Atacama Trench, is a submarine trench in the eastern Pacific Ocean, about 100 miles (160 km) off the coast of Peru and Chile.
		The trench is a result of the eastern edge of the Nazca Plate being subducted under the South American Plate.
		The Peru-Chile Trench, the forearc and the western edge of the central Andean plateau (Altiplano) delineate the dramatic "Bolivian Orocline" that defines the Andean slope of southern Peru, northern Chile, and Bolivia.
	www.encyclopedia-1.com /p/pe/peru_chile_trench.html (146 words)

	MARIANA TRENCH FACTS AND INFORMATION
		The Mariana Trench (or Marianas Trench) is the deepest known submarine_trench, and the deepest location in the Earth's_crust itself.
		It is located in the floor of the western North Pacific_Ocean, to the east of the Mariana_Islands at 11Â° 21' North latitude and 142Â° 12' East longitude, which is near Japan.
		The trench is the boundary where two tectonic_plates meet, a subduction_zone where the Pacific_Plate is being subducted under the Philippine_Plate.
	www.dontpayyourtaxes.com /Mariana_Trench (433 words)

	Mariana Trench (Site not responding. Last check: 2007-11-03)
		The Mariana Trench is the deepest known submarine trench.
		The trench is the boundary where the Pacific tectonic plate meets the Philippine Plate.
		At the bottom of the Mariana Trench, water exerts a pressure of 1086 bar (108.6 MPa or 15,931 lb/in²).
	www.encyclopedia-1.com /m/ma/mariana_trench.html (346 words)

	Philippine Trench - Wikipedia, the free encyclopedia
		Philippine Trench, to the east of the Philippine islands.
		The Philippine Trench is a submarine trench to the east of the Philippine islands.
		Until 1970, the Philippine Trench was regarded as the deepest point of the earth.
	en.wikipedia.org /wiki/Philippine_Trench (130 words)

	NOAA Ocean Explorer: Puerto Rico trench
		The large submarine slides on the downgoing plate suggest that the bottom of the trench may have deepened recently (see the essay, "Trench", for details).
		It was interpreted as a giant submarine slide that removed 1,500 sq km of the Tertiary layer, which was covered by a thick (1,300-1,500 m) sequence of carbonate rocks.
		Submarine slides are known sources of tsunamis; the sudden vertical displacement of a large volume of the sea floor during slope failure displaces the overlying water mass, generating a "tidal" wave.
	oceanexplorer.noaa.gov /explorations/03trench/welcome.html (1274 words)

	Kemadecs
		The line of collision is marked by the succession of deep ocean trenches which characterise this part of the south-west pacific, the Tonga Trench in the north, the Kermadec Trench in the centre, and the Hikurangi Trench in the south, off the coast of the North Island of New Zealand (Figure 1).
		Historical submarine eruptions at Monowai Volcano, at a submarine vent north-east of Raoul Island, and at Rumble III Volcano (see below) were probably all the result of small lava flows or domes being erupted quietly onto the sea floor, with release of gas at the surface.
		SUBMARINE VOLCANOES IN THE NGATORO BASIN AND SOUTH-WEST OF COLVILLE RIDGE
	www.gns.cri.nz /what/earthact/volcanoes/nzvolcanoes/kermprint.htm (10072 words)

	charlie
		The patch with the submarine under the maple is awarded for completing a submarine course and is worn on the upper right sleeve.
		Chile received its first submarines from England in 1917 as a partial payment for ships not delivered during World War I. They totalled six, and the last one was received in 1953.
		The current Submarine Badge is a German 209 Class submarine in gold or silver metal with the Colombian Naval Arms under the conning tower and supported by two bottle-nosed dolphins vice sharks on the old badge.
	www.geocities.com /Pentagon/Quarters/6787/charlie.html (1029 words)

	CVO Website - Submarine Volcanoes, Vents, Ridges, Eruptions
		Ruby (-230 meters), a submarine volcano that rises to within 230 meters of the sea surface northwest of Saipan, was detected in eruption in 1966 by sonar signals (Norris and Johnson, 1969).
		In 1995 submarine explosions were heard, accompanied by a fish kill, sulfurous odors, water bubbling, and the detection of volcanic tremor.
		The island consists of two overlapping stratovolcanoes; the summit crater appears to be breached to the SE because the shoreline corresponds to the level of several notches in the SE crater wall.
	vulcan.wr.usgs.gov /Glossary/SubmarineVolcano/description_submarine_volcano.html (1959 words)

	Bathymetry of the Tonga Trench and Forearc: A Map Series
		Numerous submarine canyons incised in the landward slope of the trench mark the pathways of sediment transport from the platform to mid- and lower-slope basins.
		The axis of the Tonga Trench is offset roughly 50 km to the northwest, relative to the axis of the Kermadec Trench (Figure 1).
		The trench shoals as the seamounts of the Louisville Ridge are subducted, and there is morphologic and compositional evidence for the transfer of Cretaceous seamount material to the landward slopes of the trench (Map 4, small high at 25o45'S, 175o18'W; Balance et al., 1989).
	dusk.geo.orst.edu /tonga (9452 words)

	[No title]
		Trenches are long, narrow and deep depres- sions are affiliated with volcanic arcs.
		It is the deepest known submarine trench in the world.
		The trench is also used as a submarine passage along with a series of other passages along the Pacific Ocean.
	206michaela.tripod.com /206w26.html (705 words)

	Kuril Trench -- Encyclopædia Britannica
		The Yap Trench is about 400 miles (650 km) long from north to south and reaches a maximum depth of 27,976 feet (8,527 m) some 300 miles (480 km) northeast of the Palau Islands.
		In cross section, trenches are generally V-shaped with either a series of terracelike steps or a dramatic fall to the ocean floor.
		Trenches lie mainly around the Pacific but also occur in the northern borders of the Indian Ocean, in the outer loops...
	www.britannica.com /eb/article-9046478 (897 words)

	WW1 Submarine warfare Free Essays
		The first submarine that was made was a wooden rowboat...
		Submarine Warfare The First “World War,” also known as the Great War, took place after the turn of the century from 1914 to 1918, and was named this because it was the first conflict of global proportions.
		During submarine deployments, it is customary to tell sea stories on those long boring mid-watches.
	www.netessays.net /search/32854.html (801 words)

	Search Results for trench - Encyclopædia Britannica
		submarine trench in the floor of the Philippine Sea of the western North Pacific Ocean bordering the east coast of the island of Mindanao.
		submarine trench in the floor of the South Pacific Ocean, about 850 miles (1,375 km) in length, forming the eastern boundary of the Tonga Ridge; the two together constitute the northern half of the...
		Submarine trench in the floor of the western Pacific Ocean.
	www.britannica.com /search?query=trench&ct=&fuzzy=N (624 words)

	Patent 4117689: Submarine pipe trenching apparatus
		The apparatus of claim 1 having an operative position in which said jet support means is disposed in said trench for movement therealong and wherein said nozzles are directed generally away from said frame and have outlet portions, at least said outlet portions being inclined generally upwardly with respect to horizontal.
		The apparatus of claim 9 being a trenching apparatus for burying a pipeline beneath the bottom of a body of water, and wherein said frame is adapted for positioning adjacent the pipeline to be buried, and said nozzles are adapted for digging a trench in said bottom for burying said pipeline.
		1 to cut a single trench T with the pair of cutter assemblies C. Furthermore, because of the angular relationship at which the cutter assemblies C are mounted, the pivotal movement of each cutter assembly C from the trench cutting position of FIG.
	www.freepatentsonline.com /4117689.html (8233 words)

	MaterialBrick: Kermadec Trench (Site not responding. Last check: 2007-11-03)
		Submarine trench in the floor of the South Pacific Ocean, about 750 mi (1,200 km) in length, forming the eastern boundary of the Kermadec Ridge.
		The two together comprise the southern half of the Tonga - Kermadec Arc, a structural feature completed to the north by the Tonga Trench and Ridge.
		The Kermadec Trench reaches a maximum depth of 32,962 ft (10,047 m).
	materialbrick.blogspot.com /2004/12/kermadec-trench.html (75 words)

	UNCW scientists examine submarine landslides in the Puerto Rico Trench
		An important aspect of detailing the submarine slope failures is to identify the potential geohazards submarine mass-wasting events can produce.
		For example, if a submarine landslide displaces a large enough volume of rock or sediment instantaneously, they can have the potential to contribute to the formation of a tsunami.
		In 1918, an earthquake of magnitude 7.3, centered approximately 15 km off the northwestern coast of Puerto Rico, generated a tsunami that produced a run-up as high as six meters along the western coast of the island (Mercado and McCann, 1998).
	people.uncw.edu /grindlayn/cmgl/scarp.htm (417 words)

	Submarine Crash Shows Navy Had Gaps in Mapping System (Site not responding. Last check: 2007-11-03)
		The Yap Trench is in a complex tectonic region of convergence between the Philippine Sea, the Pacific, and the Caroline plates.
		The Yap, Palau trenches, and the Ayu Trough, which is located in the southwest of the Palau Trench, form a plate boundary between the Philippine Sea and the Caroline plates.
		The age of the subducting West Caroline Basin of the Caroline Plate is estimated to be 35°30 Ma (Bracey, 1975; Hegarty and Weissel, 1988; Yamazaki et al., 1994), and the age of the overlying Parece Vela Basin of the Philippine Sea Plate is estimated to be 30°25 Ma (Mrozowski and Hayes, 1979).
	www.freerepublic.com /focus/f-news/1321233/posts (4987 words)

	Encyclopedia: Marianas Trench (Site not responding. Last check: 2007-11-03)
		The Mariana Trench is the deepest known submarine trench, and the deepest location in the Earth itself.
		It is located in the floor of the western North Pacific Ocean, to the east of the Mariana Islands at 11"21' North latitude and 142" 12' East longitude, which is near Japan.
		The trench has a maximum depth of 10,911 m (35,797 feet) below sea level.
	www.nationmaster.com /encyclopedia/Marianas-Trench (342 words)

	SUBMARINES, Quick Term Papers, Term papers, 050813
		The role of these submarines were mostly to escort Allied merchant shipping and counter the threat present in the form of German submarine threats.
		The trenches were developed in a zigzag method, so that enemy troops standing at one end of the trench would be unable to shoot more than a few yards down.
		These main trench lines were all linked to each other and to the rear through a series of communications trenches, which were dug perpendicular to the main trenches.
	www.quicktermpapers.com /lib/essay?A=netessays&KEYW=Submarines (3362 words)

	SamePig: Japan Trench
		Deep submarine trench lying east of the Japanese islands, in the floor of the western North Pacific Ocean.
		It is one of a series of depressions stretching south from the Kuril Trench and the Bonin Trench to the Mariana Trench.
		The 27,929-foot (8,513-metre) Tuscarora Deep (north) was once considered the deepest point in the world (subsequently found to be in the Mariana Trench).
	samepig.blogspot.com /2004/12/japan-trench.html (75 words)

	You are at Level 5: The Deep (Site not responding. Last check: 2007-11-03)
		A submarine is a naval vessel capable of operating underwater for sustained periods of time.
		Although many smaller navies still build conventionally powered submarines, the nuclear-powered submarine, capable of operating at high speeds under water for months at a time, has become a more important weapon system and is regarded by some naval strategists as the most potent of all naval warships.
		However, the first combat submarine, The Turtle, was launched during the American Revolution while the first naval submarine was commissioned in the year 1900: USS Holland.
	www.schoolnetindia.com /main/Sea/level5.htm (976 words)

	[No title]
		Also known as abyssal cave; abyssal fan; sea fan; submarine cave; submarine delta; subsea apron.
		Navigation of a submarine, whether submerged or surfaced.
		A tide or tidal current station at which a short series of observations have been made; these observations are reduced by comparison with simultaneous observations at a reference station.
	www.accessscience.com /Dictionary/S/S61/DictS61.html (2214 words)

	NOAA Ocean Explorer: Submarine Ring of Fire 2003
		An interdisciplinary team of scientists explored the submarine volcanoes of the Mariana Arc lying north of Guam in the western Pacific from February 9 to March 5.
		A portion of the ocean crust remelts and rises to the surface behind the trench along a line of more than 40 submarine volcanoes and volcanic islands extending north of Guam for more than 1,000 kilometers.
		Although previous investigators have mapped and sampled portions of the Mariana Trench and many of the arc volcanoes during the past several decades, this was the first dedicated exploration of the submarine hydrothermal systems of the arc.
	oceanexplorer.noaa.gov /explorations/03fire/welcome.html (532 words)

	Kermadecs
		They mark convergent plate boundaries and are the surface expression of magmatic systems that develop as a result of the subduction of oceanic lithosphere.
		It is this arc, and its submarine volcanoes and associated hot springs, that has been the focus of GNS scientists and their colleagues since 1999.
		Many of these submarine volcanoes are host to hot springs which discharge enormous quantities of metal-rich "fl smoker" plumes into the oceans [link to cartoon showing a plume over a volcano].
	www.gns.cri.nz /research/marine/kermadec (313 words)

	gv-fr juxt (Site not responding. Last check: 2007-11-03)
		The GVS was deposited in the basin between the trench and the magmatic arc.
		Hamilton [1978] suggests that the primary deposition in the trench was longitudinal, as much of it is in modern trenches, and not across strike.
		In this scenario, the trench must have been fed by the Klamaths to the north where there exists no significant barrier or basin to complicat transportation of the sediment.
	seis.natsci.csulb.edu /rmorris/gvs-fra.htm (3544 words)

	Mariana Trench Definition / Mariana Trench Research (Site not responding. Last check: 2007-11-03)
		The Mariana Trench is the deepest Extremes on Land See additionally List of mountains.
		The deepest ocean depth to be sounded is in the Challenger Deep of the Mariana Trench at a de...
		Mariana Trench is a trench east of the Marianas.
	www.elresearch.com /Mariana_Trench (351 words)

	yellow pages>>Yellow Submarine Wikipedia the free encyclopedia
		Apollo Soyuz dock Beatles Yellow Submarine Amaterasu-Omikami Japan...
		" Yellow Submarine " is a 1966 song by the Beatles and a 1968 animated United Artists film based on the music of The Beatles.
		The animated Yellow Submarine followed shortly after, but had little input from...
	www.iran-yellow-page.com /search-Yellow-Submarine-Wikipedia-the-free-encyclopedia.aspx (448 words)

	Nazis in space (Site not responding. Last check: 2007-11-03)
		German submarine commanders were highly experienced in the Arctic waters due to the need of delivery of material and people to Germany's northern Arctic bases and civilian research stations.
		Besides, on their way to the south pole, researchers discovered somewhat like a straight deep submarine trench that allowed safe transit for most of the way.
		The sub was sunk by a British submarine and most of the crew died.
	www.geocities.com /nmdecke/Nazisinspace.html (3180 words)

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