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Rock 365 : Day 117 : Three Chimneys

Day 117 : The third day of the Pembrokeshire field course and a visit to Marloes Sands. This is the classic Three Chimneys locality with near vertically bedded sediments of the Lower Silurian Skomer Volcanics Group. The weather improved steadily through the day, this was the view back from the …

Rock365 Day 115 Faulting

Day 115: Today’s fieldcourse took us to Freshwater West. The image shows normal faults that have been rotated by later folding to make them now look like thrusts. The rocks are lower Devonian sandstones, siltstones and caliches.