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Viewing website implies consent to set cookies on your computer. Full details Swaledale and Arkengarthdale Archaeology Group
Registered Charitable Incorporated Organisation Number 1155775
SWAAG Honorary President:
Tim Laurie FSA

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 *****SWAAG_ID***** 664
 Date Entered 23/12/2012
 Updated on 23/12/2012
 Recorded by Tim Laurie
 Category Geological Record
 Record Type Geomorphology
 SWAAG Site Name 
 Site Type 
 Site Name 
 Site Description 
 Site Access Public Access Land
 Record Date 16/12/2012
 Location Cotherstone Moor. Crawlaw Gill.
 Civil Parish Cotherstone
 Brit. National Grid NY 9335 1660
 Altitude 390m
 Geology Cotherstone Syncline. BGS Survey Sheet 31, Brough-under-Stainmore. Stream cut ravine with well defined interlocking spurs.
 Record Name Cotherstone Moor. Crawlaw Gill. The Cotherstone Syncline. Stream cut ravine with well defined interlocking spurs.
 Record Description The stream has cut a steep sided ravine, Crawlaw Gill, through thick beds of soft black siltstone and mudstone strata of Namurian Age above the West Stonesdale Limestone which is exposed lower down the Gill. These strata are equivalent to similar thick black shales exposed in Mirk Fell Gill near Tan Hill Colliery, Arkengarthdale.
 Dimensions See photograph
 Geographical area 
 Scientific Name 
 Common / Notable Species 
 Tree and / or Stem Girth 
 Tree: Position / Form / Status 
 Tree Site ID 0
 Associated Site SWAAG ID 0
 Additional Notes No trees or other vegetation can survive to enjoy great old age on these fast eroding shale cliffs, for a single exception see the isolated rowan in photo image no 3. This rowan is a sole survivor, the exposed roots of this rowan shows the rate of erosion of the shales and this tree will not, I expect live to reach old age.
 Image 1 ID 3877         Click image to enlarge
 Image 1 Description Crawlaw Gill.
 Image 2 ID 3878         Click image to enlarge
 Image 2 Description Crawlaw Gill Beck with small waterfalls over the West Stonesdale Limestone strata.
 Image 3 ID 3879         Click image to enlarge
 Image 3 Description Isolated rowan. The exposed roots of this tree indicate rapid erosion of the soft black shales.
 Image 4 ID 3880         Click image to enlarge
 Image 4 Description Isolated juniper in Crawlaw Gill. Large glaclial erratic sandstone boulders in the steam bed.
 Image 5 ID 3881         Click image to enlarge
 Image 5 Description Sheep fold at the head of Crawlaw Gill. Shacklesborough in far distance.
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