Arfordir Gogleddol Penmon facts for kids
|Site of Special Scientific Interest|
Pen-y-chwarel - quarry top.
|Area of Search||West Gwynedd|
The site was designated in 2003 for a range of interests including botany, ornithology, geology and its marine environment.
The geological interest is largely centred on the disused Tandinas quarry which provides the type locality for the Tandinas formation of the Carboniferous limestone. There are very good exposures in the quarry and on the sea cliffs.
The underlying limestone supports both calcareous dry heath and wet heath biological communities and includes a thriving population of Platanthera bifolia.
The shoreline is exposed to moderate degrees of wave exposure and is one the better examples of marine communities of such limestone shores in the area.
This site is within the Anglesey Area of Outstanding Natural Beauty (AONB).
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