2 - Newborough to Four Mile Bridge
Porth Twr Bach - Melange
A mixture of Rocks of different colours and textures.
Geologist - Edward Greenly - named them "Melange".
Honey coloured Limestones, Purple Manganese rich Shales, bright Rose Pink Quartzites,
Dark Green lavas.......with Intrusive Dolerite Dykes.
Ref: NW 709
Date: 25/04/2022
Location: SH 3874 6241
