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HRS 6255 Silurian, shales, Pentrefelin, Cymerau Nov 2003

Exposure of the Silurian Nantglyn Flags, consisting of mudstones and siltstones. In this exposure at Cymerau, the unit shows a regular fissile structure. BGS entry: Nantglyn Flags Formation - Mudstone And Siltstone. Sedimentary Bedrock formed approximately 419 to 428 million years ago in the Silurian Period. Local environment previously dominated by deep seas.
No EXIF information is available

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Keywords:conwy, cymerau, cymru, geology, mudstones, nantglyn, pentrefelin, sedimentary, shales, silurian, slates, wales

HRS 6255 Silurian, shales, Pentrefelin, Cymerau Nov 2003