Unit: P21

image PAL-19

cut limestone face
full-size image

annotated image

This is a close view of the limestones to show the structure at this locality, a disused quarry.

  • The surface is very smooth, because the rock has been quarried using wire cutting. This technique has been discontinued in many places because it is potentially very dangerous.
  • How would you describe the shapes of the beds?
  • In fact, each 'bed' is a colony of carbonate-secreting organisms. Most are stromatoporoids (a type of sponge), whilst the lighter-coloured colony in the centre is a tabulate coral.

Scale: photo is about 2 metres across

Grid reference: 910 302

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This page is maintained by Roger Suthren

Last Modified: 18 November, 2008