Editing Carboniferous (Namurian and Westphalian) of the Cliviger Valley, Todmorden - an excursion

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[[File:YGS_YORKROCK_FIG_08_03.jpg|thumbnail|Figure 8.3 Locality 9: Lower Haslingden Flags at left of outcrop overlain by softer weathering siltstones. The hammer denotes the position of Owd Bett's Marine Band; the Gastrioceras cumbriense Marine Band occurs in soft weathering shales behind the rucksack. Photo : P. Kabrna]]
 
[[File:YGS_YORKROCK_FIG_08_03.jpg|thumbnail|Figure 8.3 Locality 9: Lower Haslingden Flags at left of outcrop overlain by softer weathering siltstones. The hammer denotes the position of Owd Bett's Marine Band; the Gastrioceras cumbriense Marine Band occurs in soft weathering shales behind the rucksack. Photo : P. Kabrna]]
  
'''By Paul Wignall''' University of Leeds and '''Paul Kabrna''' Craven and Pendle Geological Society
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== 8 The Carboniferous (Namurian and Westphalian) of the Cliviger Valley, Todmorden ==
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By Paul Wignall University of Leeds and Paul Kabrna Craven and Pendle Geological Society
  
 
== Purpose ==
 
== Purpose ==
  
To examine Namurian and Westphalian deltaic '''cyclothems''', their sedimentology and fossils.
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To examine Namurian and Westphalian deltaic cyclothems, their sedimentology and fossils.
  
 
== Logistics ==
 
== Logistics ==
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{{YGSLogistics}}
 
{{YGSLogistics}}
  
A one-day excursion consisting of the short, but strenuous route of Ratten Clough (2 km), and a longer route taking in Coal and Paul Cloughs (8 km round trip). All routes involve walking over moorland and crossing streams so strong, waterproof footwear should be worn. Cars can be parked in a lay-by off the A646 (T) [SD 889 271]
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A one-day excursion consisting of the short, but strenuous route of Ratten Clough (2 km), and a longer route taking in Coal and Paul Cloughs (8 km round trip). All routes involve walking over moorland and crossing streams so strong, waterproof footwear should be worn. Cars can be parked in a lay-by off the A646 (T) [SD 889 271]
  
 
Prior permission for access should be sought from Coal Clough Farm, Coal Clough Lane, off Pudsey Road, Cornholme, Todmorden, W. Yorks.
 
Prior permission for access should be sought from Coal Clough Farm, Coal Clough Lane, off Pudsey Road, Cornholme, Todmorden, W. Yorks.
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== Maps ==
 
== Maps ==
  
O.S. 1:25 000 Sheet 690 Rawtenstall & Hebden Bridge; O.S. 1:50 000 Sheet 103 Blackburn & Burnley; BGS 1:50 000 Sheet 76, Rossendale (solid edition).
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O.S. 1:25 000 Sheet 690 Rawtenstall & Hebden Bridge; O.S. 1:50 000 Sheet 103 Blackburn & Burnley; BGS 1:50 000 Sheet 76, Rossendale (solid edition).
  
 
== Geological background ==
 
== Geological background ==

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