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Topic: Lateral moraines

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	Moraine - Wikipedia, the free encyclopedia
		Moraine is rock debris, fallen or plucked from a mountain and transported by glaciers or ice sheets.
		Lateral moraine: The talus and other material from the sides of a glacial valley accumulated on the glacier and carried along with it.
		Interlobate moraine: If large glaciers and continental ice sheets advance irregularly so that their margins are lobate, when the margins retreat by melting the resulting terminal moraines of boulders, clay, and sand simulate the original interlobate shape of the glacier or glaciers, therefore such moraines are called interlobate moraine.
	en.wikipedia.org /wiki/Moraine (478 words)

	Moraine
		Moraine is the general term for debris of all sorts originally transported by glaciers or ice sheets that have since melted away.
		If one or more tributary glaciers coalesce with the main glacier the lateral moraines unite to form trains of debris on the surface of the glacier at or near its center, called medial moraines.
		If large glaciers and continental ice sheets advance irregularly so that their margins are lobate, when the margins retreat by melting the the resulting terminal moraines of boulders, clay, and sand simulate the original interlobate shape of the glacier or glaciers, and therefore such moraines are called interlobate.
	www.ebroadcast.com.au /lookup/encyclopedia/mo/Moraine.html (299 words)

	Glacial Moraines (Site not responding. Last check: 2007-10-29)
		Glacial moraines are a poorly sorted and unstratified mixture of clay, sand, gravel and boulders, and come in many forms depending on where they are formed relative to the glacier.
		Lateral moraines form a large ridge between the valley wall and the glacial ice as the glacier gouges its way down the mountain.
		One ridge of a lateral moraine is accentuated by the thin comma-shaped shadow in the center of Figure 1.
	www.env.duke.edu /eos/fieldtrips/Geo184S/bolivia/mike.htm (331 words)

	Untitled Document (Site not responding. Last check: 2007-10-29)
		The oldest recognizable lateral moraines of the UY glacier crown valley sides and probably record a retreat from the LGM position.
		Terminal and lateral moraines record both back and down wasting of the ice; it is difficult to determine which moraines indicate pauses in recession versus readvance.
		Due to erosion, moraine slope is expected to decrease downvalley as moraine age increases; however, the slopes of the moraines in the UY valley show no significant trends, suggesting that they are of similar age.
	www.whitman.edu /geology/bevis.htm (355 words)

	HighBeam Encyclopedia - moraine (Site not responding. Last check: 2007-10-29)
		MORAINE [moraine], a formation composed of unsorted and unbedded rock and soil debris called till, which was deposited by a glacier.
		When two or more valley glaciers unite, their lateral moraines form a medial moraine, running down the center of the glacier.
		Similar moraines deposited during a temporary halt in the retreat of glacial ice are called recessional moraines.
	www.encyclopedia.com /html/m/moraine.asp (396 words)

	LATE QUATERNARY GLACIATION OF THE ERCIYES VOLCANO, CENTRAL TURKEY
		Lateral and terminal moraines together with young ablation moraines and sandur plains indicate three glacial epochs.
		The ablation moraines at 3300 m belong to the youngest glacial epoch and are in direct contact with the dead ice detached from the modern glacier.
		However, on the Topaktas Ridge a few small lateral and terminal moraines are present at altitudes between 3300 and 2500 m.The data available on the modern glacier indicate that the recent glacier retreat probably started at the beginning of the 20th century, becoming faster since the 1930’s.
	gsa.confex.com /gsa/inqu/finalprogram/abstract_55346.htm (504 words)

	Text
		The slope of the lateral moraines range from 20û to 30û, resulting in a surface cover that is susceptible to regular active-layer detachments which expose the ice core.
		The lack of lacustrine sediment covering the moraine indicates that either the high water level of this lake was not maintained very long, the runoff entering the lake had a low suspended sediment concentration, or the dark colour of the mud enhanced the solar heating and melting of the underlying ice (Benn and Evans, 1998).
		Preservation of the ice buried beneath the lateral moraine and deltaic sands at the side of Glacier C93 depends greatly on the erosional potential of the stream and the hydrological base level which is controlled by the glacier dam.
	www.ucalgary.ca /~moorman/PPP2000.html (6514 words)

	Chapter 5: Results
		The right lateral (see plate 3) has two distinct ridges, the outer of which (moraine 3) has very dense lichen cover and is clearly considerably older than the inner (moraine 4).
		Moraine 9 is theablation ridge closest to the terminal moraine.
		There are large ice cored lateral moraines on both sides of the foreland (moraines 10 and 13) and a low ridge within these on the left side assumed to be a more recent lateral moraine (not studied).
	www-staff.lboro.ac.uk /~gydjg2/baffin/5_result.htm (1382 words)

	Glacial Deposition: Glacial Moraine
		In consequence two lateral moraines find themselves in the middle of the glacier forming a line of material on the glacier surface.
		The existence of a push moraine is usually evidence of the climate becoming poorer after a relatively warm period.
		Supraglacial moraine is material on the surface of the glacier, including lateral and medial moraine, loose rock debris and dust settling out from the atmosphere.
	www.geography-site.co.uk /pages/physical/glaciers/moraine.html (614 words)

	Bursik, Marcus (1988-06-09) Late Quaternary volcano-tectonic evolution of the Mono Basin, eastern California. ...
		Moraines in all major canyons from Lee Vining south were correlative with the standard late Pleistocene sequence of Tioga, Tenaya, Tahoe and Mono Basin deposits.
		At Lee Vining Canyon, I measured cross-sectional profiles of lateral moraines of different ages to determine whether the degree to which they have been degraded could be used as a relative-dating method.
		Correlation of the degree of moraine degradation against an independent measure of age suggested that relative ages of late Pleistocene lateral moraines can be inferred from moraine profiles.
	etd.caltech.edu /etd/available/etd-03282006-103736 (888 words)

	[No title]
		Consists of sand and gravel; terminal, lateral, and ground moraine composed of unsorted deposits of boulders, cobbles, gravel, and sand left by the retreat of alpine, valley, and regional glaciers; and talus and landslide deposits from adjacent bedrock.
		End, lateral, and ground moraine and fluvialglacial deposits.",,,NB002,104,Nabesna,Unconsolidated,135,,,1350 Qwl,Younger Wisconsin glaciation deposits,Pleistocene,Terminal and lateral moraines of late(?) phase of Wisconsin glaciation.
		Chiefly diamicton and sand and gravel",,,NB109,308,Nabesna,Unconsolidated,135,,,1350 Qg,Drift of older glaciations,"Quaternary, Pleistocene","End, lateral, and ground moraine of Wisconsin and older glaciations.
	pubs.usgs.gov /of/2005/1342/CSV/wrstunits.csv (12552 words)

	Untitled Document
		This moraine appears to be on top of drift deposited by the Kharkhiraa glacier during retreat from its LGM position far down the KR.
		Terminal and lateral moraines record both back and down wasting retreat of the ice; it is difficult to determine which moraines indicate pauses in recession versus readvance.
		Hummocky moraines and young collapse pits suggest that Neoglacial moraines were and/or are ice-covered, like the modern terminal and lateral moraines.
	people.whitman.edu /~carsonrj/mongolia04/mongolia2004.htm (4997 words)

	GSA Northcentral 1998 Abstract 1 (Site not responding. Last check: 2007-10-29)
		Anomalous lateral moraines, strikingly dissimilar to those produced by other Pinedale glaciers in the region, are present along South Fork Ashley Creek at the eastern end of the Uinta Mountains, northeastern Utah.
		In the lower part of Lakeshore basin (~2800 m asl) massive hummocky lateral moraines merge with a bulky end moraine that the stream breeches in a narrow boulder-choked gorge.
		The lateral moraines are complexly hummocky, with local relief in excess of 20 m.
	community.middlebury.edu /~jmunroe/abstr1.htm (310 words)

	[No title]
		Two lateral moraines therefore meet and a medial moraine is formed in the middle of the glacier.
		The fl arrows point to lateral moraines that have formed along the sides of the valley wall.
		The medial moraine on the right formed in the same way, however we can't see where the glaciers flow together to form the moraine.
	members.lycos.co.uk /geogonline/gg4gltp.htm (566 words)

	Comenius
		The sand landscape contains four sub landscapes: the lateral moraines landscape, the wind-borne sand deposit landscape, pools and shifting sands landscape and the river dunes landscape.
		The lateral moraines landscape originates in the Saline, the coldest ice age.
		The Weichselien was coming, the lateral moraines erodes by the melt water of the defrost sheet on the permafrost and by the wind.
	www.heemlanden.nl /comenius/2003/sandscape.html (1351 words)

	INTRODUCTION (Site not responding. Last check: 2007-10-29)
		There are two west-northwest-trending underwater moraines between the two sub-basins that have reliefs of up to 20 ft (6m) and can be traced out of the water into subtle north-sloping topographic benches on the late Wisconsin glacial moraines on the lake.
		The moraine complex on the east side of Wallowa Lake includes more than a dozen individual moraine crests and the west moraine has about half a dozen (Carson, 2001).
		One piece of evidence supporting the hypothesis that there are submerged glacial moraines on the floor of Wallowa Lake is the inconspicuous north-sloping lateral moraine that descends the east moraine embankment about a mile from the south end of the lake that was mapped by Crandell (1967).
	www3.eou.edu /geology/EastOrGeol3.html (4675 words)

	Late Pleistocene and Holocene Chronology of Cirque Moraines
		Mainly because the Brisingamen moraine underlies MA and is far upvalley of the late Wisconsin Rat Creek Moraine, Waitt et al(1982) concluded that it probably is early Holocene in age.
		The type moraine of the latest Wisconsin glacial episode is the Larch Lake Moraine 8km upvalley from the terminal moraine of Rat Creek age, at the head of the Chiwakum Creek Valley (Long, 1989).
		The innermost moraine is 100m upvalley of the LIA maximum moraine and 0.5km down-valley from the existing Hyas Creek (Ice Worm) Glacier.
	www.nichols.edu /departments/glacier/qlong (4923 words)

	Eliot Glacier Moraines (Site not responding. Last check: 2007-10-29)
		The moraines of Eliot Glacier are large as a result of the large content of debris supplied by its headwall.
		Moraines are a function of rock flux, that is, rock mass supplied over time.
		Relative to most other glaciers, Eliot's rock flux is very high resulting in the large lateral moraines.
	web.pdx.edu /~kjack/eliotmoraines.html (79 words)

	Earth Science Picture of the Day (Site not responding. Last check: 2007-10-29)
		These glaciers have lateral (side) moraines that formed as bedrock was scraped off the valley walls, and carried along the glacier-valley wall interface.
		As two valley glaciers converge (e.g., river tributaries as an analogy), the adjoining lateral moraines form a medial or middle moraine, which appears as a ribbon of concentrated glacial debris.
		When glaciers eventually melt, their moraines are left behind -- composition and height depend on the length of time the ice remained at a particular point and on the type of material being eroded.
	epod.usra.edu /archive/epodviewer.php3?oid=257216 (127 words)

	Yosemite National Park Interactive Classroom
		B: This is one of the lateral moraines, deposited beside the glacier.
		C: This is one of the lateral moraines, deposited beside the glacier.
		D: This is the terminal moraine, deposited at the foot of the glacier.
	www.nps.gov /yose/education/depth/geology/journal/journal12.htm (128 words)

	DT1: View looking approx SE from chopper ; Mt Gardner in foreground, Mt Mervyn is the pointy tooth-like one in the ...
		Recent mapping of lateral moraines located alongside the major glaciers in the northern Prince Charles Mountains has been aimed at identifying those associated with the Last Glacial Maximum (LGM), ~20,000 years ago.
		The altitude of these moraines, relative to present glacier surfaces, provides an indication of how large the glaciers were at that time.
		The relatively unweathered angular boulders of the moraine (on the right of the image) contrast with the much older subdued, weathered, and boulder-free surface (to the left) (M. Mabin, 1995) © Copyright Australian Antarctic Division.
	www.aad.gov.au /ten_facts/stations_territories/pcm/lgm_text.asp (808 words)

	RECONSTRUCTING THE GLACIAL HISTORY AND PALEOCLIMATE RECORD NEAR THE PLEISTOCENE-HOLOCENE TRANSITION AT THREE SISTERS ...
		At least four glacial advances marked by end and lateral moraines occurred on the eastern flanks of the Three Sisters Volcanoes and the northern flanks of Broken Top Mountain in the Central Oregon Cascades.
		From a sediment core extracted from Camp Lake between Middle and North Sister, we infer that the moraines date between 8 — 5 ka B.P. A fourth set of lateral and end moraines, 300-800 meters downslope of the LIA set are overlain by a Mazama ash deposit.
		These moraines are thought to be latest Pleistocene or early Holocene in age because of their weathering characteristics, flat crests, vegetation cover, and soil development.
	gsa.confex.com /gsa/2005AM/finalprogram/abstract_92824.htm (504 words)

	Upland Glacial Landforms 2 Deposition (Site not responding. Last check: 2007-10-29)
		There are four types of moraine (see Diagrams 3.4a and 3.4b).
		A medial moraine would appear the same as the lateral moraine except that it would run along the 'centre' of the valley floor.
		They are formed as a result of deposition of sediments in deltas or stream beds in lakes or rivers at the ice margin.
	www.geographyhigh.connectfree.co.uk /s3glacgeoghighuplandform2.html (331 words)

	Yosemite National Park Interactive Classroom (Site not responding. Last check: 2007-10-29)
		Rock debris, called glacial till, was carried along in the glacial trough and deposited on both sides of the glaciers’ pathway as lateral moraines.
		A terminal moraine is a mound of material a glacier leaves behind after it melts away.
		Remember that lateral moraines were deposited beside the glacier.
	www.nps.gov /yose/education/depth/geology/activities/activity9a.htm (179 words)

	EPIC - Geologic Features Collection: Alpine Glaciation Set I
		Glacial trough, lateral moraines, Deming glacier, Mt. Baker, WA.
		Stagnating glacier, lateral moraines, Mt. Waddington, Canadian Coast Range.
		Moraines at Punta del Inca, Mt. Aconcagua, Argentina.
	earthweb.ess.washington.edu /EPIC/Geologic/Alpine1/index.htm (172 words)

	[No title]
		moraines, end moraines, lateral moraines, medial moraines, ground moraines - glacial erratics; stratified drift
		Explain the mechanisms by which a glacier loses material in the zone of ablation.
		Be prepared to define and/or identify the various alpine landforms carved by glaciers.
	www.ltcconline.net /julian/geography/finalsg.html (369 words)

	Mountain Glacier Erosion and Deposition
		Assume bedrock to be exposed south of the prominent south lateral moraines and north of Alpine Brook.
		Make the appropriate assumptions and calculate the volume of material eroded by fluvial (and associated mass movement) processes, the amount eroded by glacial processes, the amount deposited by Pinedale glaciers in the terminal and lateral moraines, and the amount deposited by Bull Lake and earlier glaciers in their terminal and lateral moraines.
		Identify the Pinedale (last glaciation ~ Wisconsin) moraines and deposits by their continuous sharp lateral crests and hummocky, locally undrained, terminal deposits.
	www.homepage.montana.edu /~geol445/labs/erodeplab7.htm (498 words)

	moraine
		are marked by terminal moraines stretching across North America and Europe.
		Moraine Valley Community College - Moraine Valley Community College enrollment statistics and tuition information
		kettle - kettle, oval depression found in glacial moraines, which are landforms made up of rock debris.
	www.factmonster.com /ce6/sci/A0833955.html (275 words)

	[No title] (Site not responding. Last check: 2007-10-29)
		Depending on their location with respect to the glacier, moraines may be terminal, recessional, lateral, or medial.
		Lateral moraines on either side of the Athabasca
		Where glaciers coalesce, the lateral moraines join to
	www.uoregon.edu /~millerm/moraines.html (41 words)

	Australian Antarctic Division - Effects of the Last Glacial Maximum in the northern Prince Charles Mountains
		This is a type of lateral moraine feature, deposited by the Scylla Glacier.
		The moraine is 40m above the area of scattered snowbanks and ice-covered moraine below (M. Mabin, 1995) © Copyright Australian Antarctic Division.
		This suggests a considerable age difference between the two land surfaces (M. Mabin, 1995) © Copyright Australian Antarctic Division.
	www.aad.gov.au /?casid=2556 (921 words)

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