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You are browsing the archive for 22 June 2016 - Mountain Beltway.

22 June 2016

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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