DescriptionHutton's Unconformity, Siccar Point - geograph.org.uk - 157014.jpg
English: Hutton's Unconformity, Siccar Point Famous for Hutton's observations that provided evidence for geological evolution. Here, Silurian greywackes, laid down approximately 425 million years ago are underneath Devonian sandstone deposited approximately 345 million years ago. More information here http://www.geos.ed.ac.uk/undergraduate/field/siccarpoint/
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== {{int:filedesc}} == {{Information |description={{en|1=Hutton's Unconformity, Siccar Point Famous for Hutton's observations that provided evidence for geological evolution. Here, Silurian greywackes, laid down approximately 425 million years ago are und