Focus on Sedimentary Environments

Ancient marine carbonate gravels

Caswell Bay, Gower, South Wales, UK

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thin section PPL
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enlarged image
One of the coarser beds in thin section, in plane-polarized light. The section is the correct way up. The base of the unit runs from the top left corner down towards the right. Scale bar is in mm.
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Composition

Examine the image above, and at higher magnification. Pay particular attention to the coarser grains, before moving on to image 6.


Page © ; last updated 13 August, 2002