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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***** 891
 Date Entered 23/08/2015
 Updated on 24/08/2015
 Recorded by Tim Laurie
 Category Geological Record
 Record Type Geological HER
 SWAAG Site Name 
 Site Type 
 Site Name 
 Site Description 
 Site Access Not known
 Record Date 18/08/2015
 Location Stray find from boulder clay
 Civil Parish Not known
 Brit. National Grid 
 Geology Galcial erratic originating from Namurian Chert strata above the Main Limestone
 Record Name Zoophycos, a trace fossil from the Black Band Chert above the Main Limestone
 Record Description This fossil is interpreted as the signsture effect marking of the calcareous ooze of a shallow tropical sea during Late Carboniferous Time by the fronds of a ?plant or soft coral organism waving from side to side in tidal currents. Whether this is a n accurate decription of the nature of this fossil is a matter of some doubt as this example seems to include carbon which could imply that the fossil was itself a living organism and not the trace of a mark on the tidal ooze.
 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  For an excellent account of the Hungry Hush Chert Quarries including details of the strata, nature and uses of chert, see: Hungry Chert Quarries
 Image 1 ID 6421         Click image to enlarge
 Image 1 Description An example of Zoophycos, a trace fossil originating from the Richmond Cherts but found as an erratic in glacial Boulder Clay
 Image 2 ID 6422         Click image to enlarge
 Image 2 Description 
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