List of shear zones of Great Britain

This is a list of the named shear zones affecting the rocks of Great Britain and the Isle of Man. See the main article on shear for a fuller treatment of shear in rocks.

Key to tables
  • Column 1 indicates the name of the shear zone. Note that different authors may use different names for the same shear zone or a section of it.
  • Column 2 indicates the OS grid reference of the approximate midpoint of certain shear zones. Note that the mapped extent of a shear zone may not accurately reflect its actual extent.
  • Column 3 indicates the country in which the shear zone occurs.
  • Column 4 indicates the county in which the shear zone occurs. Some traverse two or more counties of course.
  • Column 5 indicates on which sheet, if any, of the British Geological Survey's 1:50,000 / 1" scale geological map series of England and Wales (E&W) or of Scotland (Sc), the shear zone is shown and named (either on map/s or cross-section/s or both). A handful of BGS maps at other scales are listed too.
  • Column 6 indicates a selection of publications in which references to the shear zone may be found. See references section for full details of publication.

Tabulated list of shear zones
Sortable table of shear zones
Name of shear zone OS grid ref Country County BGS map sheet Book references
Ben Blandy Shear Zone Scotland Trewin (ed) 2002[1]
Berdale-Grocken Shear Zone Scotland Shetland Sc 129[2]
Berw Shear Zone Wales UK (south):625K[3] Brenchley & Rawson 2006
Canisp Shear Belt Scotland BGS:BRG2[4]
Canisp Shear Zone Scotland Sutherland Assynt (Special 50K)[5] Sc 101E, Sc 107W Trewin (ed) 2002, G & K 2011[6]
Central Anglesey Shear Zone Wales UK (south) :625K
Central Huntly Shear Zone Scotland Sc 86W
Eilrig Shear Zone Scotland Trewin (ed) 2002
Ericht - Laidon Shear Zones Scotland Trewin (ed) 2002
Etive-Laggan Shear Zones Scotland Trewin (ed) 2002
Gairloch Shear Zone Scotland Trewin (ed) 2002
Grampian Shear Zone Scotland Sc 84E Trewin (ed) 2002
Huntly Shear Zone Scotland Trewin (ed) 2002
Keith Shear Zone Scotland Sc 85E, Sc86W Trewin (ed) 2002
Kilchiaran Shear Zone Scotland Sc 27
Lag ny Keeilley Shear Zone Isle of Man BGS:BRG7[7]
Langavat Shear Zone Scotland Trewin (ed) 2002
Laxford Shear Zone Scotland Trewin (ed) 2002, G & K 2011
Lleyn - Menai Straits Shear Zone Wales UK (south) :625K
Llyn Shear Zone Wales Gwynedd E&W 133; 134[8] Brenchley & Rawson 2006
Moniavie Shear Zone Scotland Sc 9W, Sc 9E Trewin (ed) 2002
Ness Shear Zone Scotland Trewin (ed) 2002
Portsoy Shear Zone Scotland Sc 85E, Sc 85W Trewin (ed) 2002
Slieve Glah Shear Zone Trewin (ed) 2002
South Harris Shear Zone Scotland Trewin (ed) 2002
Stoer Shear Zone Scotland Sutherland Assynt (Special 50K), Sc 107W G & K 2011
Uyea Shear Zone Scotland Shetland Sc 129 BGS:BRG1[9]
Virdibreck Shear Zone Scotland Shetland Sc 129
Wester Keolka Shear Zone Scotland Shetland Sc 129 BGS:BRG1

References
  1. Trewin, NH (ed) 2002. The Geology of Scotland, (4th edn) The Geological Society, London
  2. British Geological Survey, 1:50,000 scale geological map of Scotland sheet 129, British Geological Survey, Keyworth, Notts
  3. British Geological Survey 2007, Bedrock Geology UK North, 1:625,000 scale geological map, British Geological Survey, Keyworth, Notts
  4. British Geological Survey, British Regional Geology 2: Northern Highlands of Scotland, British Geological Survey, Nottingham
  5. British Geological Survey, special 1:50,000 sheet Assynt, British Geological Survey, Nottingham
  6. Goodenough, K.M. & Krabbendam, M. 2011 A Geological Excursion Guide to the North-west Highlands of Scotland, Edinburgh Geological Society , ISBN 978-1-905267-53-8
  7. British Geological Survey, British Regional Geology 7: Northern England, British Geological Survey, Nottingham
  8. British Geological Survey, 1:50,000 scale geological maps of England & Wales sheets 133 & 134, British Geological Survey, Keyworth, Notts
  9. British Geological Survey British Regional Geology 1: Orkney and Shetland, British Geological Survey, Nottingham

See also
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