Site Details

Location

Athlone Castle

Grid reference

53.422827, -7.942676

Fossil Name

Brachiopods, corals, crinoids, gastropods, Olivellites

Fossil Type

Various marine animals (shells and other invertebrate animals – without backbones), Trace Fossils (burrow)

Fossil Age

Carboniferous

Rock Type

Limestone, Sandstone

Access Info

Paving stones around the castle and along Main Street and on the steps leading to the Quay/River

Fossil Info

Dark grey limestone with white brachiopods, solitary and colonial corals, fantastic density of white fossils in the dark grey limestone paving stones around the castle and along main street.

Dark grey sandstone (on the steps in front of the castle) with prominent pattern of curved lines - these are ancient burrows called Olivellites