Tom recently had a field trip to Penwyllt quarry. Penwyllt lies behind Craig-y-Nos and has views towards the Brecon Beacons. It was once home to 500 people but most of the village was demolished in 1977 when the quarry closed. The railway station; some terraced houses; the pub; railway line and some limekilns remain and there are good photographs of these on http://www.mylifeoutside.co.uk/2014/12/more-from-penwyllt-quarry-history-abandoned.html
The quarry opened in 1819 to produce quick lime and shows the contact between the basal grit (quartz conglomerate) and the Carboniferous limestone succession . Firebricks were also produced for metal smelting in Swansea and sandstone was quarried for building.
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| Penwyllt quarry - top left - Carmarthen Fan. |
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