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Topic: Great Glen Fault


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 Geologic fault - Open Encyclopedia   (Site not responding. Last check: 2007-09-10)
Faults are the source of many earthquakes that are caused by slippage vertically or laterally along the fault.
Faults can be categorized into three groups: normal faults, transform (or strike-slip) faults and reverse (or thrust) faults.
The fault surface is vertical and the footwall moves either left or right (with respect to the plane perpendicular to the fault and to the Earth's surface).
open-encyclopedia.com /Geologic_fault   (276 words)

  
 Encyclopedia: Great Glen Fault   (Site not responding. Last check: 2007-09-10)
Illustration of the location and slippage of the Great Glen Fault This image has been released into the public domain by the copyright holder, its copyright has expired, or it is ineligible for copyright.
A transform fault is a geological fault that is a special case of strike-slip faulting which terminates abruptly, at both ends, at a major transverse geological feature.
The Great Glen, also known as Glen Albyn or Glen Mor is a series of valleys in Scotland running 100 kilometers from Inverness on the Moray Firth to Fort William at the head of Loch Linnhe.
www.nationmaster.com /encyclopedia/Great-Glen-Fault   (580 words)

  
 fault   (Site not responding. Last check: 2007-09-10)
Faults are caused by the movement of rock layers, producing such features as block mountains and rift valleys.
Faults may occur where rocks are being pushed together (compression) or pulled apart (tension) by plate tectonics, movements of the plates of the Earth's crust.
Faults produce lines of weakness on the Earth's surface (along their strike) that are often exploited by processes of weathering and erosion.
www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0006389.html   (363 words)

  
 Journal of the Geological Society: Movement and mineralization in the Tyndrum Fault Zone, Scotland and its regional ...   (Site not responding. Last check: 2007-09-10)
The Tyndrum Fault, in particular, was shown to have a significant dip-slip component (2 km, down to the east) as well as a left-lateral strike-slip component (minimum 4 km) which is greatest in the central portion of the fault, the area that is the principal subject of this paper.
The principal period of fault movement was in the Silurian and is closely associated with Caledonian intrusions, such as the Glen Fyne Granite and microgranite and appinitic microdiorite dykes in the Tyndrum area (Treagus 1991).
Significant exposures of the Tyndrum Fault and closely-related fault planes are found in a gully on the north-western slopes of Ben Oss [29 26], in the Tyndrum Main Mine [322 302] and 5 km to the north, at Gleann Choillean [351 348].
www.findarticles.com /p/articles/mi_qa3721/is_199905/ai_n8849738   (1336 words)

  
 The Tribune...Sunday Reading
Glens are the most scenic places in Scotland and include some exotic glens and lakes like Loch Lomond, Loch Ness, Loch Oich and Loch Lochy, the ribbon shaped ‘lochs’ which fill most of the Great Glen’s 55 mile (88 km) floor and, above all, the Isle of Skye.
The glen has it all — extraordinary beauty, tales of courage and an air of serenity and peace that can rarely be found in the busy world in which we live.
A walk in the heart of the picturesque glens among the flora and fauna of the nature surrounded by the tall pine, heather and conifer trees against the stunning backdrop of the beautiful mountains and the calm waters of the Lock Ness was refreshing indeed.
www.tribuneindia.com /1998/98dec20/sunday/head10.htm   (1019 words)

  
 Fault   (Site not responding. Last check: 2007-09-10)
The Great Glen Fault is the largest of the three SW-NE faults in the Scottish Highlands.
The GGF also has a vertical component, with upthrust and erosion on the north side of the fault.
It is believed that the GGF experienced a sinistral displacement of about 105km, although some experts feel that there was a sinistral movement of about 134km followed by a dextral slip of 29km, which would give a net sinistral displacement of 105km.
home.earthlink.net /~dpither/fault.htm   (359 words)

  
 Scottish Geology - Great Glen Fault   (Site not responding. Last check: 2007-09-10)
Geologically, the Great Glen Fault (GGF) is the site of a large strike-slip fault that follows the path of the glen, splitting the Highlands into the Grampian Highlands (southeast) and the Northern Highlands (northwest).
However, the fault was definitely active by the Devonian, at the same time as the Highland Boundary Fault.
Rejuvenation of the fault occurred in Middle Jurassic, probably associated with major basaltic volcanic activity that was taking place in the eastern part of the Moray Firth basin at that time.
www.scottishgeology.com /classic_sites/locations/great_glen_fault.html   (286 words)

  
 Great Glen 1
There are other lochs and glens which, like Loch Eil, link up from the west with the sequence of lochs along the line of the Great Glen Fault.
In the other direction, Glen Spean broadens out after its own thirteen or so miles into the braes of that district of the Highlands known as Badenoch whence there is easy access to the headwaters of the River Spey and the broad corridor of Strath Spey down towards Moray and the north-east of Scotland.
To preserve the clans of Glen More from the great territorial magnates of these two last districts, it was necessary that the principal clans of Glen Spean and upper Strath Spey should act as guardians of the eastern approaches.
www.cameron-site.com /PrivateSite/great_glen_1.html   (3059 words)

  
 Journal of the Geological Society: Linking onshore and offshore structure: Mesozoic extension in the Scottish Highlands
The Strathconnon fault, long held to be late Caledonian, may be Mesozoic in age, forming the principal kinematic link between the east and west coast basins of northern Scotland.
Subsequently, however, Underhill (1991) has demonstrated that the Great Glen Fault was dormant during the formation of the Moray Firth and that instead, the basin opened as a result of extensional slip on the Helmsdale Fault (Fig.
Kinematically the Great Glen story was very convenient, because by transferring displacement along the length of the Great Glen Fault into the basins of the Scottish west coast region it allowed the problem of locating the onshore accommodation of the Moray Firth extension to be circumvented.
www.findarticles.com /p/articles/mi_qa3721/is_199911/ai_n8876854   (1318 words)

  
 [No title]   (Site not responding. Last check: 2007-09-10)
The Great Glen Fault Zone (GGFZ) is a major, reactivated strike-slip fault within the lower Paleozoic Caledonian orogenic belt of the British Isles.
New analysis of early structures and fabrics shows that the GGFZ comprises a 3-km-wide belt of fault rocks ranging from rare mylonite and quartz blastomylonite to common cataclasite, hydrated cataclasite, and phyllonite.
However, the Caledonian structural architecture of the GGFZ exerted a fundamental influence on the upper crustal Late Devonian to Tertiary reactivation history during which microfracturing and development of discrete fault planes were localized either within or along the boundaries of preexisting belts of cataclasite and phyllonite.
www.agu.org /pubs/abs/tc/1998TC900033/1998TC900033.html   (313 words)

  
 A Geological View of Loch Ness   (Site not responding. Last check: 2007-09-10)
The shatter belt of rock produced by the fault movement is mostly under Loch Ness, and the ease with which erosion could remove this rock accounts for the wide straight trench of the Great Glen.
During that age, the Great Glen was occupied by a huge glacier which filled the valley above the level of the present watershed, and extended into the Moray Firth.
Towards Inverness, the melting of the Great Glen glacier gave rise to the kames, eskers, and gravel sheets at Dunain, Phadrig, and Tomnahurich.
www.thefrasers.com /nessie/nessgeo.html   (1000 words)

  
 Scottish Geology - Highlands   (Site not responding. Last check: 2007-09-10)
The Northern and west Highlands, to the north of the Great Glen Fault, has some of the most varied geology and spectacular scenery in Scotland.
However, the youngest rocks occur on Mull and Ardnamurchan, representing the remains of 60 million year old volcanic complexes that were erupting as continental drift split Scotland from North America, with the opening of the North Atlantic.
Geomorphologically, this is an area of great contrasts, between the ice-moulded and peat and till-covered Caithness lowlands and the heavily ice-scoured uplands and lowlands of Sutherland.
www.scottishgeology.com /regional_geology/highlands.html   (517 words)

  
 Augusta Georgia: Technology:Italian scientist suggests Scotland's Loch Ness monster may be the earth's fault 06/28/01
Luigi Piccardi, a Florence-based geologist, said in a paper prepared for a scientific conference that he believes the monster is linked to the Great Glen Fault which runs along the loch.
The Great Glen Fault is a strike-slip fault - two pieces of the earth's crust sliding past each other - like the more active San Andreas Fault in California.
The Great Glen, which includes the lochs of Ness, Oich and Lochy, slashes diagonally through northwest Scotland, dividing the central Highlands from the northern Highlands.
www.augustachronicle.com /stories/062801/tec_124-4788.shtml   (568 words)

  
 Great Glen Way   (Site not responding. Last check: 2007-09-10)
The Great Glen is Scotland's fourth waymarked National Long Distance Walking Route.
It travels from Fort William at the northern end of the West Highland Way to the City of Inverness along the Great Glen Fault.
The Great Glen Route / Caledonian Canal was a much used shipping link in the 19th and earlier 20th century allowing trade to avoid the Pentland Firth and the French privateers during the Napoleonic Wars.
www.greatglenway.fsnet.co.uk   (362 words)

  
 Guardian Unlimited | The Guardian | Science finds fault in myth of Loch Ness monster
Endless tales of the Loch Ness monster can be blamed on the Great Glen fault, he will tell geologists in Edinburgh today.
The Great Glen fault run ning under Loch Ness is one of the major fault lines in the UK.
Seismic faults were associated with shaking earth and subterranean rumbling and roaring.
www.guardian.co.uk /uk_news/story/0,3604,513202,00.html   (526 words)

  
 Articles - Scotland
Scotland comprises the northern part of the island of Great Britain; it is bordered on the south by England.
The final city, Inverness, is situated where the River Ness meets the Moray Firth, on the Great Glen Fault between the North-West Highlands and the Cairngorms.
While great controversy has simmered amongst the Scottish public over her official title since her coronation (many believe that, being the first Queen Elizabeth of Great Britain, she should use regnal name "Elizabeth I"), the courts of Scotland have confirmed "Elizabeth II" as her official title.
www.sterlingsilvercenter.com /articles/Scotland   (6100 words)

  
 CNN.com - Quake theory shakes Nessie legend - June 27, 2001
Piccardi says Loch Ness lies along the Great Glen Fault, a major fault line in the Earth's crust which is still active.
He said: "The Great Glen Fault is a very big fault which is still active, and Loch Ness lies directly above it.
He is convinced that shocks along this fault lie behind both ancient and modern reports of the monster.
archives.cnn.com /2001/WORLD/europe/UK/06/27/scotland.nessie   (481 words)

  
 greatglenfault
Because the hills were so rounded, it was obvious that the glaciers had rode right over the mountains of some particular areas.
With such glacial features it was easy to imagine the great thickness of the ice moving across and into the Highlands.
These are the fault lines where the land fell in...Also, an interesting point was brought up that the volcano was andesitic which h is a very explosive, violent volcano." (Matt Elliott)
emory.edu /OXFORD/Academics/International/Scotland/greatglenfault.htm   (815 words)

  
 AllRefer.com - Great Glen (British And Irish Physical Geography) - Encyclopedia
Great Glen or Glen More, valley, 60 mi (97 km) long, Highland, N central Scotland, extending from Moray Firth SW to Loch Linnhe.
It was formed by a fault in the earth's surface.
Loch Ness, Loch Oich, and Loch Lochy, glacial lakes located on the fault line, extend hundreds of feet below sea level.
reference.allrefer.com /encyclopedia/G/GreatGle.html   (180 words)

  
 Sherpa Walking Holidays: Scotland The Great Glen Way
The line of the fault was scoured by powerful glaciers up until about 8000 years ago, leaving a line splitting the highlands and leading to open water at either end (Loch Linnhe and the Moray Firth).
The Great Glen Way basically follows this fault and is one of the long-distance trails which run through the Scottish Highlands.
Descend then to Blackford and the Great Glen once again meeting the Caledonian Canal once again before reaching Inverness, a beautiful town of past and modern, although mostly Victorian.
www.sherpa-walking-holidays.co.uk /tours/britain/wggdos.htm   (1586 words)

  
 Great Glen - Wikipedia, the free encyclopedia
There is also a village in Leicestershire called Great Glen.
The Great Glen follows a large geological fault known as the Great Glen Fault.
From northeast to southwest, water features along the Great Glen are:
en.wikipedia.org /wiki/Glen_Albyn   (117 words)

  
 Geological Society - News - Luigi and the dragon
His current suggestion was that quakes along the Great Glen Fault might be the foundation of the Nessie myth.
This – and more especially the assertion that the GGF is no longer seismically active - would have been of interest to the designers of the Kessock Bridge (Inverness) which takes the A9 over the mouth of the Beauly Firth.
As one delegate was heard to mutter, this structure crosses the Great Glen Fault, and is reputed to be the only earthquake-proofed bridge in the UK.
www.geolsoc.org.uk /template.cfm?name=Piccardi   (1346 words)

  
 BBC Scotland - Where I Live - The Ness Islands
GREAT GLEN FAULT ¦ The Great Glen Fault is a very old feature and has been active since around 400 million years ago.
The trench-like feature which contains Loch Ness is ruler-straight and runs SW - NE for over 60 miles across the Highlands and follows the line of the Great Glen Fault.
The fault is still moving, proven by the fact that the Loch Ness area is still seismically active and averages 3 earthquakes per century at Richter 4.
bbc.co.uk /scotland/whereilive/highlandsandnorthernisles/walk/03.shtml   (257 words)

  
 Great Glen
Great Glen or Glen More,valley, 60 mi (97 km) long, Highland, N central Scotland, extending from Moray Firth SW to Loch Linnhe.
Glen More - Glen More: see Great Glen, valley, Scotland.
Ness, Loch - Ness, Loch, lake, 22 mi (35 km) long, Highland, N central Scotland, in the Great Glen.
www.factmonster.com /ce6/world/A0821668.html   (136 words)

  
 Martyn Stewart
STEWART, M., STRACHAN, R.A., MARTIN, M.W. and HOLDSWORTH, R.E.(2001) Constraints on early sinistral displacements along the Great Glen Fault Zone, Scotland: structural setting, U-Pb geochronology and emplacement of the syn-tectonic Clunes tonalite., Journal of the Geological Society, London, Vol.
STEWART, M., HOLDSWORTH, R.E. and STRACHAN, R.A. (2000) Fault-rock evolution during early movements along the Great Glen Fault Zone, Scotland: An insight into deformation processes in the frictional- to viscous-creep transition zone, Journal of Structural Geology, Vol.
STEWART, M. (1997) Kinematic evolution of the Great Glen Fault Zone, Scotland.
cwis.livjm.ac.uk /lid/ltweb/ldu_002/lidmstew.htm   (585 words)

  
 Buildings and building stone: Inverlochy Castle   (Site not responding. Last check: 2007-09-10)
Inverlochy Castle sits, as its name implies, at the mouth of the River Lochy near Fort William in the Highlands of Scotland.
It sits on the Great Glen fault, which extends from Inverness southwest through Loch Ness and Lochy Lochy to Fort William and then through Loch Linnhe.
Because those lochs on the Great Glen fault separate northwest Scotland from the rest of Britain, Inverlochy Castle occupied a very strategic site on one of the three strips of land not filled by lakes in the Great Glen.
www.gly.uga.edu /railsback/BS-IL.html   (274 words)

  
 The Loch Ness Monster
The loch has steep banks, which plunge to a depth of over eight hundred feet.
Loch Ness is the largest in a string of lochs along the Great Glen Fault.
The Great Glen Fault separates Scotland in to two halves, millions of years ago they were two separate countries.
www.mysteriousbritain.co.uk /fortean/nessie.html   (831 words)

  
 [No title]
The Cordillera Cantabrica, along the north coast of Spain, is a more deeply eroded ancient mountain chain that formed ~320 million years ago.STS106-702-84The Alps were uplifted later (~ 60 million years ago) than were the Pyrenees, in the same Eurasian-African collision.
The western Alps are truncated by younger Rhone rift faults; the Rhone and Rhine rift valleys, as well as the transform fault zone (from Basel, Switzerland to Dijon, France) developed about 23 million years ago.STS106-702-86The great Alpine folds have been cut by younger structures such as the Rhone rift and the Basel-Dijon transform fault zone.
Tilted lavas and sediments of the present collision are exposed on Paros Island today.STS106-707-58Volcanic islands, earthquake-producing faults, and fault-bounded gulfs mark the present collisional plate margin of the western Mediterranean (Crete, the Aegean, the Cyclades, N. Anatolian fault of N. Turkey).
earth.jsc.nasa.gov /debrief/STS106/S106.doc   (594 words)

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