Fferam Uchaf is a Site of Special Scientific Interest (or SSSI) in Anglesey, North Wales, for its exposures of Llanvirn (Ordovician) rocks. It has been designated as a Site of Special Scientific Interest since October 2001 in an attempt to protect its fragile Geological elements.[1] The site has an area of 1.05 hectares (2.6 acres), is managed by Natural Resources Wales, and is 1.5 km (0.93 mi) north-east of Llanddeusant.

Fferam Uchaf
Site of Special Scientific Interest
Fferam Uchaf is located in Wales
Fferam Uchaf
Location within Wales
LocationWest Gwynedd
Grid referenceSH3610486763
Coordinates53°21′07″N 4°27′50″W / 53.352°N 4.464°W / 53.352; -4.464
InterestGeological
Area1.05 hectares (2.6 acres)
Notification2001

Type

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The site is designated due to its geological qualities. In Wales, geological sites range from quarries to rocky outcrops and massive sea-cliffs. Thirty percent of SSSIs in Wales are notified for geological and geomorphological features.

The site has a number of small rock outcrops including a quarry on farmland approximately and is considered to contain the best examples of Llanvirn rocks in Anglesey, a Series that is otherwise poorly represented in North Wales. Fferam-uchaf shows small but stratigraphically important outcrops, but is an important site for an understanding of Lower Ordovician palaeogeography.

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