Llanbadrig - Dinas Gynfor
Llanbadrig - Dinas Gynfor is a Site of Special Scientific Interest (or SSSI) in Anglesey, North Wales. It has been designated as a Site of Special Scientific Interest since January 1957 in an attempt to protect its fragile geological elements.[1] The site has an area of 26.49 hectares and is managed by Natural Resources Wales.
| Site of Special Scientific Interest | |
  Location within Wales | |
| Area of Search | West Gwynedd |
|---|---|
| Grid reference | SH3913595086 |
| Coordinates | 53.427956°N 4.4226316°W |
| Interest | Geological |
| Area | 26.49 ha |
| Notification | 1957 |
Type and features
This site is designated because of its geological qualities. In Wales, geological sites range from quarries to rocky outcrops and massive sea-cliffs. 30% of SSSIs in Wales are notified for geological and geomorphological features. This site has 3 special features:[2]
- Precambrian rocks exposed in disused quarries, coastal cliffs and on the foreshore. The rocks around Llanbadrig are some of the oldest found in southern Britain: formed 570 million years ago.
- Arenig-Llanvirn (Ordovician) rocks exposed in inland outcrops, coastal cliffs and on the foreshore.
- Caledonian structures (folds and fractures) exposed in coastal cliffs.
References
- Countryside Council for Wales website (Natural Resources Wales since 2013); Archived 2014-01-01 at the Wayback Machine accessdate: 30 December 2013
- "Cyngor Cefn Gwlad Cymru". Angleseynature.co.uk. Retrieved 2014-03-17.
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