RHOSNEIGR
Rhosneigr is on the west coast of Anglesey in North Wales. The 1:50000 O.S. map for this area is sheet 114
(Anglesey) and the grid reference for the locality is SH 316326. The BGS map sheet to refer to for this locality
is the Anglesey sheet.
Rhosneigr is a Site of Special Scientific Interest (SSSI) and the rocks investigated in the video clip for this
locality are of Ordovician age. These rocks are interbedded mudstones and sandstones that were folded
during the Caledonian orogeny. Cleavage developed in these rocks during folding. The gallery illustrates the
rock types and structures at this locality.