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Norber erratic

Yorkshire, UK

The Norber erratics are Silurian grit/Greywacke boulders placed on Carboniferous Limestone pavement, deposited by ice ~15kya ago, at the end of the Devensian glaciation. These erratics are a classic site for studying glacial deposition processes and limestone denudation rates.  


Goldie, H. (2005). Erratic judgements: re-evaluating solutional erosion rates of limestones using erratic-pedestal sites, including Norber, Yorkshire. Area, 37(4), pp.433-442.

The virtual outcrop was generated using Agisoft Photoscan  from photographs acquired by Ross Langley. 

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