Limehill Farm ASSI

Topics:

Biodiversity,
Protected areas

Protected area type: Areas of Special Scientific Interest

Feature type: Earth Science

County: Tyrone

Council: Mid-Ulster

Guidance and literature: Limehill Farm ASSI

Limehill Farm ASSI consists of the channel and banks of a minor stream flowing through agricultural grassland. The banks and bed of the stream contain small scale exposures of fossiliferous mudstones.

It is the type locality for the zonal graptolite Monograptus sedgwickii. The site has yielded the world's oldest known Nowakiid, Nowakia brevis, for which this is also the type locality.

It is one of only two localities in Northern Ireland exhibiting a shelly fauna in a Silurian graptolitic setting.

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Limehill Farm ASSI

Limehill Farm ASSI