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Topic: Glacial horn

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  Amateur Geologist Structured Geological Glossary: Ice and Glaciers
A glacier that is smaller than a continental glacier or an icecap, and which flows mainly along well-defined valleys, many with tributaries.
For example, the mass of a glacier is not destroyed or created; the mass of a glacier and all its constitutive components remains the same despite alteration in their physical states.
The mass balance of a glacier is calculated with the input/output relationships of ice, firn and snow, usually measured in water equivalent.
www.amateurgeologist.com /content/glossary/glacial/glacial.html   (1724 words)

 Travels with Geology - Grand Teton National Park
These cirque glaciers eroded the bedrock in headward and lateral directions, and as the volume of ice expanded, the toes of the glaciers advanced down the valleys, sculpturing the v-shaped stream valleys into u-shaped glacial forms called glacial troughs.
The Teton Glacier is nestled beneath the sheer 3,000 foot-high North Face of the Grand and occupies a cirque at the head of the valley of Glacier Gulch.
During retreat of the piedmont glaciers, poorly sorted and unstratified material called till was deposited during standstills at the margins of the ice.
www.winona.edu /geology/travels/tetons/travel.html   (1871 words)

 After reading Chapter 5, you should be able to:
A glacier is a mass of ice sitting on land or floating as an ice shelf in the ocean next to land.
A glacier is composed of dense ice that is formed from snow and water through a process of compaction, recrystallization and growth.
A glacier is an open system with inputs and outputs that can be analyzed through observation of the growth and wasting of the glacier itself.
www.geography.ccsu.edu /kyem/GEOG272/Chapter14/Glacial_Landforms.htm   (934 words)

 10(af) Landforms of Glaciation
Glaciers have played an important role in the shaping of landscapes in the middle and high latitudes and in alpine environments.
The flow of an alpine glacier into a valley, causes the glacier to rapidly advance producing a swollen tongue of ice at the glacier's snout, known as a lobe.
Glacial erratics are large pieces of rock that have been transported away from their source areas by moving glacial ice sheets.
www.physicalgeography.net /fundamentals/10af.html   (1793 words)

 300glacier   (Site not responding. Last check: 2007-10-11)
Remember that the glacier ice is always physically moving downhill in valley glaciers or outward in continental glaciers, regardless of whether the ice front is advancing or retreating.
Glaciers pluck pieces of bedrock from their bottom (and from the sidewalls and headwalls of valley glaciers) by alternate freezing and thawing action.
These rocks (the load of the glacier), which are dragged along in the moving ice, scrape and abrade the land under the glacier, thus eroding it away.
www.csun.edu /geology/Class_Notes/ES300/300glacier.html   (880 words)

 Multiple choice
A glacier is a mass of ice composed of compacted and recrystallized snow which flows under its own weight on land.
Glacial ice is a dynamic metamorphic rock as it represents surface material (snow) that has changed under elevated pressures.
Glaciers also move by basal slip which occurs when the ice that is frozen to the underlying bedrock breaks lose and the ice slides down slope.
www.uh.edu /~jbutler/physical/chapter15notes.html   (2216 words)

 Geotimes — February 2005 — Glacier National Park
Snowfields (remnants of glaciers) at the head of the lake are remnants of a glacier that once occupied this basin.
Glacier National Park's sedimentary rocks are some of the oldest in the world that still show characteristics of the original deposition, such as ripple marks, mud cracks and raindrop impressions.
And then of course, there are the textbook examples of a glacially carved landscape — horns, cirques, arêtes, hanging valleys and moraines — all that remain of several million years of glacial formation and retreat.
www.agiweb.org /geotimes/feb05/Travels0205.html   (1360 words)

 Glaciers and associated features
Glacial striations, or scratches cut into granite bedrock by debris transported in the ice at the base of a glacier.
Glacial plucking, or removal of bedrock from the down-slope side of a small bedrock hill or knob.
The sharp ridge in the foreground is an arete.
www.ship.edu /~cjwolt/geology/slides/gl-sum.htm   (757 words)

 Glacier National Park -- Geology
Dominating the skyline to the south is Reynolds Mountain, a superb example of a glacial horn.
Horns result when glaciers carve three or more sides of a mountain, often honing it to a pyramid-shaped peak.
Before the glaciers formed, the valleys were crooked and V-shaped, cut sharply by fast-flowing rivers that sought the quickest path downhill.
www.americanparknetwork.com /parkinfo/gl/geology   (458 words)

 Pyramidal peak - Wikipedia, the free encyclopedia (via CobWeb/3.1 planetlab2.tamu.edu)   (Site not responding. Last check: 2007-10-11)
A pyramidal peak, or sometimes in its most extreme form called a glacial horn, is a mountaintop that has been modified by the action of ice during glaciation and frost weathering.
A glacial horn takes the process to its limits, producing near vertical faces on all sides.
In the Alps, "Horn" is also the name of very exposed peaks with slope inclinations of 45-60° (e.g.
en.wikipedia.org.cob-web.org:8888 /wiki/Pyramidal_peak   (223 words)

 Introduction to Physical Geology Syllabus
This is the type of glacier that used to cover the northern part of the U.S. Some small remnants, such as the Harding Ice Sheet in Alaska rserve as reminders.
Valley Glaciers: Rivers of ice flowing down hill follow the same path that a stream would follow, in a drainage that is roughly same scale as a stream drainage.
Roche moutonnee: The glacial equivalent of a yardang.
www.geol.umd.edu /~jmerck/geol100/lectures/35.html   (1117 words)

 Glaciers and Glaciation
Glaciers are masses of ice on land that move by plastic flow and basal slip.
Valley glaciers are confined to mountain valleys and flow from higher to lower elevations, whereas continental glaciers cover vast areas and flow outward in all directions from a zone of accumulation.
Continental glaciers transport most of their sediment in the lower part of the ice, whereas valley glaciers may carry sediment in all parts of the ice.
geowords.com /p_/chap11glac.htm   (934 words)

 Glaciers   (Site not responding. Last check: 2007-10-11)
Valley glaciers tend to eat away at the sides of mountains, this erosion produces different landforms on the mountain itself.
As the glacier flows off of the mountain and into a glacier in a U-shaped valley the resulting valleys from the glacial movement are known as, hanging valleys.
U-shaped glacial valleys which strech to the coast line and that may become filled with water are called fjords.
volcano.und.nodak.edu /vwdocs/vwlessons/lessons/Glaciers/Glaciers5.html   (185 words)

 NSSH Part 629 - Glossary, H-M | NRCS Soils   (Site not responding. Last check: 2007-10-11)
horn [glacial geology] - A high, rocky, sharp pointed, steep-sided, mountain peak with prominent faces and ridges, bounded by the intersecting walls of three or more cirques that have been cut back into the mountain by headward erosion of glaciers.
It is composed chiefly of rock fragments derived from valley walls by glacial abrasion and plucking, or colluvial accumulation from adjacent slopes.
(b) A moraine formed by glacial abrasion of a rocky protuberance near the middle of a glacier and whose debris appears at the glacier surface in the ablation area.
soils.usda.gov /technical/handbook/contents/part629glossary3.html   (7228 words)

 Geology 100--Glaciers and glacial features
A ___ cross-valley profile is typical of canyons and valleys eroded and deepened by alpine or valley glaciers.
Glaciers' average speeds are between a few tens of and a few hundred meters per year.
Glacial striations running northeast-southwest indicate the glacier that produced them was moving from northwest to southeast.
school.discovery.com /quizzes23/anitaho/geol100_glac.html   (1537 words)

Glaciers are masses of ice formed on land by the compaction and recrystallization of snow.
Glaciers grow when the accumulation is greater than the losses during the summer melting.
When two or glaciers meet and merge at the base of mountains, the new glacier is called a piedmont glacier.
www.ux1.eiu.edu /~cfjps/1300/glaciers.html   (1024 words)

 Glacial Geology   (Site not responding. Last check: 2007-10-11)
A fjord, for example, is a coastal glacial valley which reaches the sea, and thus becomes flooded with ocean water when the glacier retreats.
A medial moraine is a ridge of material marking the center of a former glacier, especially noticeable in glaciers which are confluent.
The former are winding affairs from streams on or under a glacier, the latter are teardrop shaped affairs.
members.aol.com /scipioiv/glacialgeology.html   (984 words)

 Acidophilus Related Terms
Horn (anatomy), a hollow, stiff, pointed projection of the skin of various animals, as an organ or its material
Devil horns is a hand gesture with a vulgar meaning in Mediterranean countries, also used in heavy metal.
Horne (county), a small historic countship of the Holy Roman Empire associated with the village, which was merged into the Prince-Bishopric of Liège
www.acidophiluseffects.com /notes/?title=Horn   (460 words)

 Chapter 17: Glacial and Periglacial Processes and Landforms
Glacier – A large mass of ice, resting on land or floating as an ice shelf in the sea adjacent to land.
Today 11% of the earth’s land mass is dominated by glaciers but in the past during ice ages up to 30% of continental land was covered.
Glacial Movement – Glaciers flow downslope with the greatest amount of movement at their centers where the pressure is fairly high but there is no friction with the valley walls and bottom.
isu.indstate.edu /jspeer/chapter17.htm   (673 words)

 G150 Glaciation
Because of local glacial erosion and deposition in a valley, lakes are also common features--or meadows that were once lakes.
Because the glacier is alway moving forward there is a large crevasse (Bergschrund) between the upper end of the glacier and the rock wall.
During the Pleistocene glaciations the Atlantic Coast was 100 to 200 km to the east.
www.calstatela.edu /faculty/acolvil/glaciation.html   (2464 words)

 Using Acid in cleaning your horn
There may be a thin film of oil inside the horn, but I have been informed that this is not detrimental but even beneficial.
Another type of gunk inside a horn consists of "scale" and inorganic deposits on the inside of the horn and valves.
One of the contaminants which may form inside a horn is like boiler scale, much like that inside a hot water heater or car radiator but in smaller amounts.
www.hornplayer.net /archive/a139.html   (2115 words)

 Yellowstone National Park
These glaciations may have been caused by volcanic activity releasing ash and particulate into the atmosphere that would affect the climate.
Glacial grooves and striations can be found on the granite in the Beartooth Plateau.
Glacial erratics are found east of Tower Junction.
geology.csusb.edu /VTRIPS/YNP/yello.htm   (1395 words)

 horn page - hor
Horn (instrument), a brass instrument that consists of tubing wrapped into a coiled form
Horn (diacritic), a diacritic mark used to indicate that a normally rounded vowel such as o or u is to be pronounced unrounded
Horne, a small historic county of the Holy Roman Empire associated with the village
www.socipedia.com /horn/horn.php   (371 words)

 RottenBoat-Delta's Horn Timber
Some bad fastenings, some rot in the bull rail aft, some soft wood on deck - and a massive horn timber in the lazarette with two thirds of its surface so soft, punky and deteriorated that looked as if it could be pulled apart by hand.
DELTA's horn timber is massive, about 8" wide and 18" deep, rising in a gentle 6' arc from the keel timber forward to her rudder post aft.
It was clear to me that what might begin as a project to replace a horn timber could end up as a total rebuild of DELTA's stern.
www.rotdoctor.com /zine/rblk04horn.html   (1876 words)

Glaciology is the study of glaciers and glacial activity--this photo shows an alpine glacier area--some glacial deposits have important uses in the cement and concrete industries
a glacier grows as long as the rate of ice formation in the zone of accumulation is greater than the rate of ice melting (ablation) in the zone of wastage--this is true for both continental and alpine glaciers
glacial ice does not move at the same rate at different levels within the ice--glacial ice is more plastic near its center and brittle at the top--the rate of movement is greatest at the center and top of the glacier and slowest at the bottom where there is friction of ice with rock
courses.missouristate.edu /EMantei/creative/glg110/glaciers.html   (1157 words)

 Glacial Lakes Taxidermy - Taxidermy by Doug Dexter
Glacial Lakes Taxidermy - Taxidermy by Doug Dexter
Glacial Lakes Taxidermy is a full service studio, both federally and state licensed, which enables me to mount any and all of your trophies.
I believe that not HAVING to turn out X number of taxidermy pieces per day enables me to take the time needed to turn your trophy into a memory that you’ll be proud to display for years to come.
www.glaciallakestaxidermy.com   (170 words)

 horn - Search Results - MSN Encarta
Horn (animal anatomy), one of the hard protuberances that grows from the foreheads or snouts of various hoofed mammals, such as rhinoceroses, deer,...
Horn (musical instrument), class of wind instruments that usually have a conical opening or derive from an animal horn or tusk.
glacial erosion, pyramidal mountain peak formed by glaciers
encarta.msn.com /encnet/refpages/search.aspx?q=horn   (178 words)

 Golden Gate Photo - Glacier National Park Gallery
Glacier and Waterton Lakes were designated as Biosphere Reserves in the 1970s.
The u-shaped valley in the McDonald Creek valley across the lake was the result of the scouring action of glaciers during the Pleistocene ice ages.
Clements Mountain is a glacial horn, the remnant peak following the carving on multiple sides by separate glaciers.
www.goldengatephoto.com /westus/glacier.html   (484 words)

 Glacial Geology Self-Test
Jane Rock (Ace Glacial Geologist) observes an isolated, conical-shaped hill composed of sand and gravel in eastern North Dakota.
ridges of drift on the flanks of an alpine glacier
ridges of drift on the middle surface of an alpine glacier
www.ndsu.nodak.edu /instruct/schwert/geosci/g120/glac_geo.htm   (406 words)

 Pleistocene Glaciation of Mount Shasta   (Site not responding. Last check: 2007-10-11)
Mount Shasta was sculpted by glaciers during the Pleistocene but RECENT volcanic activity has covered up many of the glaciated landforms.
What does remain from the Pleistocene are the MORAINES from Mount Shasta that extend into the Shasta Valley to the northwest (which shows how much larger the Pleistocene glaciers were) and the glacial features on the south side of Mount Shasta around the Old Ski Bowl.
Northwest of the bowls is Avalanche Gulch, a glaciated valley on the southwest side of Mount Shasta.
www.siskiyous.edu /shasta/env/glacial/ple.htm   (494 words)

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