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.


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