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  Northern Ireland coast
  Great Britain

june 2003
Last Modified:
november 2003

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Location description

Antrim is a Northern Ireland county. At the Antrim coast you can collect fossils from the Lias (lower Jurassic period). Along the coast sandstone and mudstone from the Triassic period are exposed. On top of the Triassic layers is clay from the Lias. The clay contains fossils. The Jurassic and Triassic layers are covered by basalt from the Tertiary period. This basalt forms the "Giant Causeway" further north. Beware of the tides and the slippery stones at the beach!

Photo 1 of 1

Antrim County coast.
Added by: webmaster on 21-03-2012

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Antrim county is located north of Belfast. The best time to look for fossils is after storms in spring or autumn.

At Larne and White Park Bay the Waterloo mudstone formation and the Lias clay from the Jurassic period is exposed. Limestone with nodules and claylayers are covered bij layers from the Cretaceous period. Those do almost not contain fossils. On top is a thick layer of basalt (Giants causeway) from the end of the Cretaceous period. Between the two sites you can try to collect in the Jurassis layers.

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Ammonites, belemnites, gastropods and bivalves can be found here.

Literature recommended by members

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Other locations in the area

Geology location: Giants Causeway
Museum: Ulster Museum Belfast
Society: Belfast Naturalists Field Club: Ulster Museum


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