4 - Trearddur to Holyhead
Turbidites rocks
Brownish Turbidites rocks can be seen from the steps down to the Lighthouse
Turbidites are sedimentary rocks deposited by turbulent underwater currents laden
with debris in a marine sedimentary basin.
Ref: NW 1172
Date: 30/06/2022
Location: SH 2048 8227
