Trevayne

Pembrokeshire, SW Wales

Large-scale harmonic fold within  Carboniferous siltstones, shales and coal horizons. Close inspection of the fold core reveals several low offset thrust segments which probably formed to accommodate the relatively tight interlimb angle here. The cross-section below shows the transition in structural style between this location, Monkstone Point and Saundersfoot

Lat: 51°41'28.8"N 

Long: 4°41'20.4"W