By: magic-gigapans
Image: Callan Bentley, Mid-Atlantic Geo-Image Collection
License: Creative Commons Non Commercial ⧉

Uploaded: 17 Apr 2020
Last Updated: 27 May 2020

715 megapixels
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Graptolite fossils, used to deduce the precise position of the Ordovician / Silurian stratigraphic boundary in southern Scotland, near Moffat.