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	Mass wasting - Wikipedia, the free encyclopedia
		Mass wasting, also known as mass movement or slope movement, is the geomorphic process by which soil, regolith, and rock move downslope under the force of gravity.
		Mass wasting occurs on terrestrial and submarine slopes, and has been observed on Earth and Mars.
		Mass wasting may occur at a very slow rate, particularly in areas that are very dry or those areas that receive sufficient rainfall such that vegetation has stabilised the surface.
	en.wikipedia.org /wiki/Mass_wasting (462 words)

	Geology300 with Terry J. Boroughs: Mass Wasting and Groundwater Systems Homework
		Mass wasting is the down slope movement of earth materials moving under the influence of gravity.
		Rapid mass wasting means that the earth materials move an appreciable distance over the time span of a human life.
		A mass movement of rock material and soil largely as one or more units along planes of weakness at the base of or within the rock material.
	www.arc.losrios.edu /~borougt/FS_MassWastingGroundwaterHomework.htm (2397 words)

	Chapter 8: Mass Wasting: the Work of Gravity
		Mass wasting is the movement of rock, regolith, and/or soil down slope under the direct influence of gravity.
		Types of mass wasting events are classified based on the type of material involved, how it moves, and the speed of movement.
		This is a common form of mass wasting in thick accumulations of cohesive materials such as clay.
	mywebpage.netscape.com /GWBlaylock/Geol1010/Chapter08.html (1286 words)

	Mass-Wasting
		In order for regolith to move in a mass wasting process it must be on a slope, since gravity will only cause motion if the material is on a slope.
		Since talus results from the accumulation of large rocks or masses of debris the angle of repose is usually greater than it would be for sand.
		Mass wasting processes also occur on steep slopes in the ocean basins.
	www.tulane.edu /~sanelson/geol111/masswasting.htm (1795 words)

	Mass Wasting web assignment
		Mass wasting may occur as a result of this erosion.
		The mass wasting process is simply an attempt by the natural system to restore equilibrium.
		In the text, be certain to read about the specific types of mass wasting, and how these types of movement may be classified as different from one another.
	www.winona.edu /geology/dynamicearth/masswasting.htm (935 words)

	WARSSS Introduction ¦ EPA
		Mass wasting slides are shown in Figure 5 (Willow Creek, Colorado) and Figure 6, in Marine Shale geology (Blue River, Colorado).
		Annual sediment yield associated with mass wasting processes is extremely difficult to predict due to the episodic nature of climatic events that initiate movement.
		Sediment delivery may be estimated by calculating a delivery ratio by dividing the slide mass removed from slide path or toe of slide into the channel by the initial mass involved in the landslide.
	www.epa.gov /warsss/sedsource/wasting.htm (691 words)

	Mass Wasting Assignment Feedback
		Mass wasting may be prevented by decreasing the angle of the slope, so that the actual slope angle is less than the critical slope angle.
		Mass wasting is just nature's way of reestablishing equilibrium on a slope.
		Above is a view of a mass wasting deposit in the mountains of Idaho.
	www.winona.edu /geology/dynamicearth/massA.htm (1186 words)

	Mass Wasting/Movement
		Mass movement/wasting involves down slope movement of rock, regolith, and soil under the direct influence of gravity.
		The earth materials behave as solids or viscous masses, and may be consolidated (compacted and cemented) or unconsolidated(loose and uncemented).
		Mass wasting events may involve only one type of movement, or combinations of movement types.
	www.geo.ua.edu /intro03/Wasting.html (1270 words)

	Mass Wasting
		A slide is a mass movement that occurs as one unit.
		A flow is a mass movement that is internally chaotic and turbulent.
		Various subaqueous mass movements affect large areas of the seafloor and are probably as common as those on land.
	www.geol.umd.edu /~tomascak/solar/0623t.htm (1222 words)

	10(x) Hillslope Processes and Mass Movement
		Mass movement can also be a less continuous process that occurs over long periods of time.
		Mass movement on this type of hillslope occurs primarily by way of localized sliding or rolling of a relatively small number of particles.
		This type of mass movement is known as a debris flow.
	www.physicalgeography.net /fundamentals/10x.html (2332 words)

	Mass Wasting
		If conditions are right, water that soaks into the ground during winter months, freezes and permits ice to accumulate in the zone of freezing as water is added from the atmosphere above and is drawn upward from the unfrozen ground below.
		In time masses of ice are built up, and the soil above them is heaved upward.
		Mass movements can be classified on the basis of how fast the material moves.
	core.ecu.edu /geology/woods/MassWastingFORWEB.htm (746 words)

	Mass Wasting 2
		These factors include the effects of gravity, the driving force behind mass wasting, and water, which is often critical in tipping the balance between stable and unstable ground.
		Mass wasting events can be categorized as flows, slips, or falls depending on the consistence of the moving mass.
		A second type of mass wasting is the debris flow.
	www.suite101.com /article.cfm/everyday_geology/95418 (489 words)

	Mass Wasting
		Mass Wasting is the movement of regolith (unconsolidated rock material) down slope solely as a result of gravity.
		Whether consolidated or unconsolidated, the susceptibility of material to mass wasting processes is strongly determined by the steepness and instability of the slope.
		The mass moves as a coherent unit during slope failure.
	www.uh.edu /~geos6g/1330/mwasting.html (1189 words)

	Weathering and Mass Wasting Study Guide, Physical Geography, College of Alameda, Rita Haberlin, Instructor (Site not responding. Last check: 2007-10-13)
		Mass wasting is the movement of regolith downhill under the influence of gravity.
		A landslide or rockslide is a rapid sliding of masses of bedrock.
		Mass wasting speeds up when people change the landscape by adding weight to a slope, undercutting the base of the slope, or removing the natural vegetation cover.
	members.aol.com /rhaberlin/mwstyg.htm (530 words)

	LAND HO! (...SLIDE THAT IS) (Site not responding. Last check: 2007-10-13)
		Mass wasting is the term used for the downslope movement of rock and other large amounts of land mass caused by the force of gravity.
		Mass wasting is a very important geological process in that it transports materials from high elevations to lower elevations where streams and rivers can then take to even lower places.
		Mass wasting can happen on any given slope; some are faster or slower than others.
	geology.wcedu.pima.edu /~astanley/masswasting.html (414 words)

	Mass Wasting - Angle of Repose Exercises (Site not responding. Last check: 2007-10-13)
		At angles steeper than the angle of repose friction is not sufficient to counter gravity and mass wasting occurs.
		Water pressure and water's buoyancy forces reduce the friction between the grains thereby decreasing the angle of repose and possibly causing mass wasting.
		The two basic classes of mass wasting are flows and slides.
	www.columbia.edu /~vjd1/mass_wasting.htm (226 words)

	Mass Wasting and Mass Movement (Site not responding. Last check: 2007-10-13)
		mass movement - a general term used to describe the downhill movement of unconsolidated material that are known as slides, falls, slumps, flows, and creep
		mass wasting - all processes by which masses of rock and soil move downhill under the influence of gravity, eventually to be carried away by other transporting agents
		talus - debris at the bottom of the slope in a broken mass due to rockfalls and rockslides
	csmres.jmu.edu /geollab/baedke/geol110/masswasting.htm (329 words)

	Mass Wasting Processes
		Slides - Rock slides and debris slides result when rocks or debris slide down a pre-existing surface, such as a bedding plane, foliation surface, or joint surface (joints are regularly spaced fractures in rock that result from expansion during cooling or uplift of the rock mass).
		Piles of talus are common at the base of a rock slide or debris slide.
		Slides differ from slumps in that there is no rotation of the sliding rock mass along a curved surface.
	www.tulane.edu /~sanelson/geol204/masswastproc.htm (1401 words)

	Slope Instability and Mass Wasting at Fargo, North Dakota
		One normally associates landslides and other mass wasting processes with areas of high relief, such as hills and mountains.
		Where these sediments are exposed as slopes, such as along the banks and valley walls of the Red River of the North, mass wasting processes frequently occur.
		Types of Mass Wasting: Creep and Earthflow - Description and photographs of the processes of creep and earthflow along the Red River in Fargo.
	www.ndsu.edu /fargo_geology/mass_wasting (436 words)

	Impacts of land use conversion on bankfull discharge and mass wasting
		Mass wasting and channel incision are widespread in the Nemadji River watershed of eastern Minnesota and northwestern Wisconsin.
		Due to natural relief in this region, wetlands and agricultural lands are concentrated in the flatter terrain of the uplands of the Nemadji watershed, while forestland (coniferous or deciduous) is concentrated in the deeply incised (50—200% slope) stream valleys.
		While mass wasting was not correlated with forest type conversion and agricultural land use, it was negatively dependent upon wetland extent in headwater areas.
	www.srs.fs.usda.gov /pubs/21399 (438 words)

	USGS CMG InfoBank Geology School: mass wasting
		"mass wasting", "geologic hazard", landslide, construction, slope, slump, creep, movement, mitigation, mudflow, mountain, water, soil
		"mass wasting", "mudflow", "debris flow", creep, slump, landslide, water, movement, viscosity, density, sand, silt, boulder, rainfall, snow, gravity, "geologic hazard"
		"mass wasting", "geologic hazard", speed, creep, slump, landslide, rainfall, mountain, canyon, viscosity, density, mudflow, debris flow, rockslide, "rock avalanche", valley
	walrus.wr.usgs.gov /infobank/programs/html/school/keypage/mass_wasting.html (574 words)

	Landslides, Slope Failure, & other Mass Wasting Processes Module 4 Environmental Geology
		Slope failure, also referred to as mass wasting, is the downslope movement of rock debris and soil in response to gravitational stresses.
		Three major types of mass wasting are classified by the type of downslope movement.
		Mass movement occurs much more frequently on steep slopes than on shallow slopes.
	wapi.isu.edu /envgeo/EG4_mass_wasting/EG_module_4.htm (2271 words)

	Quiz on Mass Wasting
		Mass wasting characterized by a coherent block of material sliding along a curved surface is called
		The mass wasting process that is so slow it is usually recognized only by downslope tilting of fenceposte, utility poles, bent tree trunks and similar features is called
		Answer: E. The downslope pull of gravity depends on the mass (weight) of material on the slope and how steeply the slope is inclined.
	www.oswego.edu /~gabel/q1mw.html (415 words)

	Mass wasting and associated concerns.
		Environmental Geology lecture outline - Mass wasting and associated concerns.
		Definition of mass wasting = down slope movement of earth material (solid masses, dry aggregates and slurries) under the influence of gravity.
		Human activity can induce mass wasting in an area that has been historically stable.
	maps.unomaha.edu /maher/geo101/part1/masswasting.html (673 words)

	Mass Wasting
		Discuss how and why mass wasting occurs, and methods used to prevent mass wasting.
		Definition: Mass wasting is the downslope movement of rock, regolith, and soil, under the influence of gravity.
		Slumps involve a mass of soil or other material sliding along a curved, rotational surface.
	www.gpc.edu /~pgore/geology/geo101/masswasting.html (718 words)

	The Earth -- Introduction (Site not responding. Last check: 2007-10-13)
		The slope gradient is probably a major cause of mass wasting - the steeper the slope the less stable it is.
		In regions that are undergoing extensive chemical weathering there is a higher probability of mass movement of the unconsolidated material (the regolith).
		Would you expect the probability of mass wasting to be greater along a passive continental margin or an active continental margin?
	www.uh.edu /~jbutler/physical/chapter11notes.html (436 words)

	Geography 323 -- Geomorphology
		high geopotential energy is available for mass wasting in landscapes with large relief (h) and steep slope (h/d)
		mass moves over hillslopes when the shear stress exceeds the resistance to shearing (shear strength)
		landslide is the term most commonly used to refer to mass wasting events, even though sliding may be only one (often the initial) mode of failure
	uregina.ca /~sauchyn/geog323/mw.html (381 words)

	Chapter 15
		Mass wasting refers to the downslope movement of rock, or soil under the direct influence of gravity
		Combined effects of mass wasting and running water produce stream valleys
		Movement of a mass of rock or unconsolidated material as a unit along a curved surface
	www.auburn.edu /~wolflor/CourseNotes/GL1100/mass_wasting_05.htm (202 words)

	Mass Wasting (Site not responding. Last check: 2007-10-13)
		Mass wasting = the downslope movement of rock, regolith, and soil under the direct influence of gravity
		For mass wasting to occur, there must be a slope
		Gravity is the controlling force in mass wasting!!
	www.valdosta.edu /~cdenizma/personal/course4_files/mass_wasting.htm (143 words)

	Physical Geology lecture outline - Mass Wasting
		Definition of mass wasting: movement of material down slope under the influence of gravity.
		What are critical factors that influence whether mass wasting occurs or not, whether a slope is stable or not
		Figure caption: This is a schematic diagram of a potential slide block produced by the erosion of the slope toe by a river, and it helps elucidate the mechanics of slip.
	maps.unomaha.edu /maher/geo117/part2/117masswasting.html (693 words)

	Practice questions: Mass Wasting
		You will be told if your answer is correct or not and will be given some comments.
		Which type of mass wasting is associated with permafrost?
		A snow avalanche with an abundance of rock in it.
	www.usd.edu /esci/exams/masswast.html (164 words)

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