Natural Resources Wales. Data downloaded from DataMapWales and used under the Open Government Licence for Public Sector Information (OGL). This information is provided to highlight sites of geological interest in Wales. For issues relating to sites that have RIGS status please consult the relevant authorities for up to date information regarding designation status, planning and other administrative issues.
Tyllau Mwn
Category: Scientific
Subcategory: Mineralogy
Network: Cambrian-Ordovician bedded Fe/Mn mineralization/'Alpine'-type veinmineralizatio
Subnetwork: Primary mineralogy
Local Authority area: Gwynedd
National Park area: Snowdonia
Area of site in hectares: 14.84090932
Grid reference:
GR easting: 284474.6496
GR northing: 320627.9874
Site geometry: