Editing Transect through the Canisp Shear Zone, Achmelvich, North-west Highlands - an excursion

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|'''Purpose'''
 
|'''Purpose'''
 
|To examine the Canisp Shear Zone, which preserves a complex history of deformation and reactivation, from Archaean to Cenozoic time. To study rocks of the Lewisian Gneiss Complex deformed at progressively shallower depths, starting in deep Badcallian basement structures, followed by exposures of Inverian, Laxfordian and later deformation events.
 
|To examine the Canisp Shear Zone, which preserves a complex history of deformation and reactivation, from Archaean to Cenozoic time. To study rocks of the Lewisian Gneiss Complex deformed at progressively shallower depths, starting in deep Badcallian basement structures, followed by exposures of Inverian, Laxfordian and later deformation events.
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| '''Aspects covered'''
 
| '''Aspects covered'''
 
| Badcallian, Inverian and Laxfordian deformation events of the North-west Highlands; Granulite-to greenschist-facies  metamorphism; Transpressional shear zone structures and fabrics; Reactivation and strain localisation processes; Non-Andersonian fracturing and 3D strain.
 
| Badcallian, Inverian and Laxfordian deformation events of the North-west Highlands; Granulite-to greenschist-facies  metamorphism; Transpressional shear zone structures and fabrics; Reactivation and strain localisation processes; Non-Andersonian fracturing and 3D strain.
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| '''Maps'''
 
| '''Maps'''
 
|OS: 1:50,000 Landranger sheet 15 Loch Assynt; 1:25,000 Explorer sheet 442 Assynt and Lochinver. BGS: 1:50,000 sheet S107E, Point of Stoer.
 
|OS: 1:50,000 Landranger sheet 15 Loch Assynt; 1:25,000 Explorer sheet 442 Assynt and Lochinver. BGS: 1:50,000 sheet S107E, Point of Stoer.
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| '''Terrain'''
 
| '''Terrain'''
 
|4km walk along rough coastal footpaths and over moderate terrain; sturdy footwear and waterproofs are advised. Some scrambling may be required and extreme care should be taken on low cliff sections, especially during windy weather. It is not advised to access the coast during storms, especially if there is a substantial ocean swell, as there is a risk of being caught by large breaking waves.
 
|4km walk along rough coastal footpaths and over moderate terrain; sturdy footwear and waterproofs are advised. Some scrambling may be required and extreme care should be taken on low cliff sections, especially during windy weather. It is not advised to access the coast during storms, especially if there is a substantial ocean swell, as there is a risk of being caught by large breaking waves.
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| '''Time'''
 
| '''Time'''
 
|This is a full day excursion.
 
|This is a full day excursion.
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|'''Access'''
 
|'''Access'''
 
|There are no access constraints for this excursion, although care should be taken on coastal sections. Please note that as the area includes an SSSI, the use of hammers is prohibited.
 
|There are no access constraints for this excursion, although care should be taken on coastal sections. Please note that as the area includes an SSSI, the use of hammers is prohibited.

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