These pictures show Caswell Bay (Gower Peninsula) Carboniferous period limestone and mudstone rocks in close-up, showing natural patterns and textures of stratigraphic layering and fracturing, coloured mineral inclusions, acid rain and wave-action weathering, and encrustations by bio-films and marine littoral invertebrates. The rocks include Caswell Bay or Gully Oolite, High Tor Limestone, and Caswell Bay Mudstone.
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Wow Jessica what a fabulous display. Love the green shades.
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Thanks, Michael. I think the green in the first photograph is some sort of microscopic algal bio-film. The rocks were actually in an over-hang with the camera pointing upwards. The green film had tended to accumulate only on the near horizontal surfaces of the stepped broken strata. I just liked the strong geometric abstract feel of this natural composition.
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