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  • 21 Aug, 2019

  • By, Wikipedia

Robeston Wathen Quarries
Robeston Wathen Quarries is a Site of Special Scientific Interest (or SSSI) in Pembrokeshire, South Wales, immediately to the north of the village of Robeston Wathen. It has been designated as a Site of Special Scientific Interest since January 1967 in an attempt to protect its fragile geological elements. The site has an area of 1.64 hectares and is managed by Natural Resources Wales.

Type

This site is designated due to its geological quality: Robeston Wathen Quarries SSSI has one special feature: Caradoc - Ashgill (late Ordovician) sedimentary rocks in disused quarries and a stream bed. In Wales, geological sites range from quarries to rocky outcrops and massive sea-cliffs. 30% of SSSIs in Wales are notified for geological and geomorphological features.

The sedimentary rocks of impure limestones, calcareous mudstones and black mudstones have yielded a variety of fossils which include evidence that the rocks are from the Caradoc – Ashgill stages - around 440 million years ago. The fossils also provide a means of correlation with other similar sites, and are catalogued by National Museum Wales.

See also

References

  1. ^ "Robeston Wathen Quarries". Archived from the original on 5 September 2011. Retrieved 15 May 2015.
  2. ^ Owens, R. M. and Bassett, M. G. (1995). Catalogue of Type, Figured and Cited Fossils in the National Museum of Wales: Supplement 1971-1994. pp. 37–38. ISBN 9780720004229. Retrieved 15 February 2019.{{cite book}}: CS1 maint: multiple names: authors list (link)


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