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by Stratigraphy.net
New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

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Shattered chert breccia cobbles, Church Bay, Rathlin Island

My GigaPan expedition has landed at Rathlin Island, north of Northern Ireland, within view of Scotland, for a few days. The beach on Church Bay is cobble-covered and steep, and the cobbles reflect the island’s geology, with some anthropogenic components thrown in for flavor: Link GigaPan by Callan Bentley But I was struck by these two cobbles, each showing a pervasively shattered breccia of chert: To me, that is not …

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