Swallowtree Bay anticline-syncline couplet: detail…
Swallowtree Bay anticline-syncline couplet: detail…
Swallowtree Bay anticline-syncline couplet: detail…
Swallowtree Bay anticline-syncline couplet: detail…
Swallowtree Bay anticline-syncline couplet: detail…
Swallowtree Bay anticline-syncline couplet: detail…
Swallowtree Bay anticline-syncline couplet: detail…
Swallowtree Bay anticline-syncline couplet: detail…
Swallowtree Bay anticline-syncline couplet: detail…
Syncline in Lower Coal Measures sandstones: Swallo…
Asymmetric anticline, Swallowtree Bay north
Ladies Cave Anticline: interior hinge zone
Ladies Cave Anticline
Small thrust and footwall syncline
Extentional faults detail: Saundersfoot south
Extentional faults: Saundersfoot south
Stackpole Head from Mowingword Point
Lattice Windows sea arches and Barafundle Bay
Barafundle Bay cloudscape from Stackpole Head
Mowingword Bay, Pinnacle Stack and Gun Cliff
Lichens and Viper's Bugloss on Mowingword Point
Sandy Pit doline panorama
Sandy Pit doline
Box Bay with caves
Box Bay panorama
Broad Haven (S) view west
Church Rock from Saddle Point
Broad Haven (S) view east to Stackpole Head and Ca…
Folding at Monkstone Point, near Saundersfoot, Pem…
Thrusted Coal Measures at Ffos Las Opencast Coal S…
Cynheidre outburst 2
Cynheidre outburst 1
Henrhyd waterfall, Coelbren, upper Swansea valley,…
Gateholm and Skokholm Islands
Victoria Bay and Skokholm Island
Victoria Bay bedding planes in Silurian sandstones
St Brides Haven: colourful rocks, colourful sea
St Brides Haven - view east
St Brides Haven solifluction deposit
Druidston Haven: Cliff Section 5
Druidston Haven: Cliff Section 3
Druidston Haven: Cliff Section 2
Druidston Haven: Cliff Section 2 interpretation
Druidston Haven: Cliff Section 1 panorama
Druidston Haven: Cliff Section 1 interpretation
Druidston Haven: Cliff Section 3 interpretation
Druidston Haven: Cliff Section 4 interpretation
Druidston Haven: Cliff Section 4
Druidston Haven: Cliff Section 5 interpretation
Druidston Haven: Cliff Section 6 interpretation
Druidston Haven: Cliff Section 6
Gravel Bay - Moor Cliffs Formation with calcretes…
East Pickard Bay - English stonecrop
Waves in Freshwater West
Gravel Bay - Moor Cliffs Formation
East Pickard Bay panorama
Freshwater West walkies
Spray haze over Freshwater West
Gravel Bay - calcrete horizon in Moor Cliffs Forma…
Gravel Bay - Moor Cliffs Formation with calcretes…
Gravel Bay - Moor Cliffs Formation 2
Gravel Bay - millipede-like burrows in Moor Cliffs…
Gravel Bay - Moor Cliffs Formation 1
Moody sky over Freshwater West
Conglomerate at Gravel Bay: close-up view 2
Conglomerates at Gravel Bay
Conglomerate at Gravel Bay: close-up view 1
Cliff section east of Amroth 2
Cliff section east of Amroth 1
West of Telpyn Point - fault in Telpyn Point Sands…
Marros west - cryogenic anticline and solifluction…
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Swallowtree Bay anticline-syncline couplet
Saundersfoot to Swallowtree Bay geological structures
Just south of Swallowtree Bay near Saundersfoot, Lower Coal Measures sandstones and siltstones have been folded into an asymmetric anticline-syncline couplet. The folds display a variety of accommodation structures: minor thrusts disrupting the fold axes (particularly the antincline axis); minor thrusts causing crumpling and repetition of some bedding in the fold limbs; thinning of the fold limbs and thickenning in the fold axis. The sandstones display cross-bedding and erosive channel bases.
Scale: the height of the exposed rock section is about 6 metres in the vertically bedded zone.
Details of the fold couplet are shown in the photos which follow, indicted by the notes.
Just south of Swallowtree Bay near Saundersfoot, Lower Coal Measures sandstones and siltstones have been folded into an asymmetric anticline-syncline couplet. The folds display a variety of accommodation structures: minor thrusts disrupting the fold axes (particularly the antincline axis); minor thrusts causing crumpling and repetition of some bedding in the fold limbs; thinning of the fold limbs and thickenning in the fold axis. The sandstones display cross-bedding and erosive channel bases.
Scale: the height of the exposed rock section is about 6 metres in the vertically bedded zone.
Details of the fold couplet are shown in the photos which follow, indicted by the notes.
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