Tag: Llanvirn

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Upper Gilwern Quarry

On the edge of the Brecon Beacons, Upper Gilwern Hill is a site long known for its well-preserved and complete trilobites. The hill is made up of rocks from the Lower and Middle Ordovician, and the privately owned quarry is accessible to parties staying at the onsite Shepherd’s Hut self catering accommodation. The trilobite fossils here are plentiful and the chances of finding a good number is very high. Ordovician, Private Quarry, Rating: ♦♦♦♦♦

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Bach Y Graig

Bach Y Graig is a stream section, rich in trilobites and graptolites. The latter are mostly complete, but are also very fragile and paper thin. Therefore, when splitting, their segments often end up being separated on either side of the split. The site is also dark, being in a thickly wooded area, and is very hard to find without a map or GPS. Ordovician, Stream, Rating: ♦♦♦

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Bettws

This small section of stream cutting in the middle of nowhere is worth a visit to look for trilobite remains. Fossils are not particularly frequent, but, with some careful searching, you should find trilobite pieces, as well as graptolites. Ordovician, Stream cutting, Rating: ♦♦

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Betton Dingle

This is a beautiful location, surrounded by luscious, green rolling countryside. Betton Dingle offers trilobite fossils, a pleasant walk and the guarantee of getting wet. Not a site for the unadventurous. Ordovician, Stream Embankment, Rating: ♦♦♦♦

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Hope

Fossils can be found in shales, which outcrop in the stream banks of the Hope Valley stream near the nature reserve. Finds are few and far between, but occasionally a nice, whole trilobite can be collected. Ordovician, Stream Embankment, Rating: ♦