Editing Dinantian and Namurian rocks of Bolton Abbey and Trollers Gill - an excursion

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[[File:YGS_YORKROCK_FIG_06_02.jpg|thumbnail|Figure 6.2 Disharmonic folding in Middle Bowland Shale at Bolton Abbey. Photo: J. Varker.]]
 
[[File:YGS_YORKROCK_FIG_06_02.jpg|thumbnail|Figure 6.2 Disharmonic folding in Middle Bowland Shale at Bolton Abbey. Photo: J. Varker.]]
  
'''By W. John Varker''' University of Leeds
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== 6 Dinantian and Namurian rocks of Bolton Abbey and Trollers Gill ==
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By W. John Varker University of Leeds
  
 
== Purpose ==
 
== Purpose ==
  
This excursion displays Dinantian and early Namurian sedimentary rocks from the northeastern part of the Craven Basin. It begins on the southern flank of the Skipton '''Anticline''' and passes northwards through the Barden '''Syncline''' and Skyreholme Anticline before ending at the North Craven '''Fault'''. There is abundant evidence of mineralization in Trollers Gill.
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This excursion displays Dinantian and early Namurian sedimentary rocks from the northeastern part of the Craven Basin. It begins on the southern flank of the Skipton Anticline and passes northwards through the Barden Syncline and Skyreholme Anticline before ending at the North Craven Fault. There is abundant evidence of mineralization in Trollers Gill.
  
 
== Logistics ==
 
== Logistics ==
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{{YGSLogistics}}
 
{{YGSLogistics}}
  
Conveniently split into two half days, each of which may be covered separately. For the Bolton Abbey section, begin at the Abbey car park [SE 071 538], and have transport waiting at the Strid car park [SE 058 563] parking charges operate; walking distance about 4 km. The terrain is easy for much of the distance, but care will be required on the narrow footpath on the wooded east bank of the Wharfe.
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Conveniently split into two half days, each of which may be covered separately. For the Bolton Abbey section, begin at the Abbey car park [SE 071 538], and have transport waiting at the Strid car park [SE 058 563] parking charges operate; walking distance about 4 km. The terrain is easy for much of the distance, but care will be required on the narrow footpath on the wooded east bank of the Wharfe.
  
The Trollers Gill section begins at the old school house between Appletreewick and Skyreholme [SE 063 601] and ends at the top of the mine track at [SE 065 623], where there is roadside parking. The walking distance for this section is also about 4 km with easy tracks for the whole distance and only one steep section.
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The Trollers Gill section begins at the old school house between Appletreewick and Skyreholme [SE 063 601] and ends at the top of the mine track at [SE 065 623], where there is roadside parking. The walking distance for this section is also about 4 km with easy tracks for the whole distance and only one steep section.
  
 
There should be '''''no hammering of any exposures'''.''
 
There should be '''''no hammering of any exposures'''.''
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== Maps ==
 
== Maps ==
  
O.S. 1:25 000 Outdoor Leisure 10, Yorkshire Dales, Southern Area; 1:50 000 Sheets 99 Northallerton & Ripon and 104 Leeds, Bradford & Harrogate; B.G.S. 1:63 360 New Series Sheet 61, Pateley Bridge.
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O.S. 1:25 000 Outdoor Leisure 10, Yorkshire Dales, Southern Area; 1:50 000 Sheets 99 Northallerton & Ripon and 104 Leeds, Bradford & Harrogate; B.G.S. 1:63 360 New Series Sheet 61, Pateley Bridge.
  
 
== Geological background ==
 
== Geological background ==

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