2 - Abersoch to Aberdaron

Cambrian Strata
A view fromTrwyn Carreg-y-tir to Trwyn y Ffosle
Above the Cambrian Age Sandstones are the Manganese-rich Siltstones of the Trwyn y Fulfran Formation.
There are Manganese trial shafts , but most ore was extracted by surface mining
(levels and waste can be seen)
Ref: NW 625
Date: 28/03/2022
Location: SH 2877 2403