Little Haven - The Settlands; detail of overturned…
Little Settlands - incompetent deformation 1
Little Settlands - incompetent deformation 2
Little Settlands - inverted thin coals and disturb…
Druidston Haven: Cliff Section 6
Druidston Haven: Cliff Section 6 interpretation
Druidston Haven: Cliff Section 5 interpretation
Druidston Haven: Cliff Section 4
Druidston Haven: Cliff Section 4 interpretation
Druidston Haven: Cliff Section 3 interpretation
Druidston Haven: Cliff Section 1 interpretation
Druidston Haven: Cliff Section 1 panorama
Druidston Haven: Cliff Section 2 interpretation
Druidston Haven: Cliff Section 2
Druidston Haven: Cliff Section 3
Druidston Haven: Cliff Section 5
St Brides Haven - view east
St Brides Haven: colourful rocks, colourful sea
Victoria Bay bedding planes in Silurian sandstones
Victoria Bay and Skokholm Island
Extentional faults: Saundersfoot south
Extentional faults detail: Saundersfoot south
Small thrust and footwall syncline
Ladies Cave Anticline
Ladies Cave Anticline: interior hinge zone
Asymmetric anticline, Swallowtree Bay north
Syncline in Lower Coal Measures sandstones: Swallo…
Swallowtree Bay anticline-syncline couplet
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…
Little Haven - The Settlands; detail of incompeten…
Little Haven - The Settlands; detail of southern a…
Little Haven - The Settlands; recumbent fold, thru…
Little Haven - The Settlands; recumbent fold, thru…
Little Haven - The Settlands panorama - geological…
Little Haven - The Settlands panorama
Fox Hole Anticline - northern limb 3
Fox Hole Anticline - northern limb jointing with c…
Fox Hole Anticline - northern limb with mine adit
Fox Hole Anticline - northern limb 2
Fox Hole Anticline - northern limb
Little Haven - Fox Hole Anticline
Little Haven north side geological interpretation
Little Haven north side panorama
Little Haven view north over Rooks Bay and The Set…
The Settlands at Little Haven from coastal path
Tenby North Sands chevron fold couplet
Tenby North Sands chevron fold couplet panorama
Tenby North Sands chevron fold couplet structural…
The Goyt Syncline from Roach End (x 2 vert. exagg.…
Valley bulge folding at Rowlee Bridge, Ashop Valle…
Ladies Cave Anticline
1/160 • f/7.1 • 15.0 mm • ISO 200 •
Canon EOS 600D
EF-S15-85mm f/3.5-5.6 IS USM
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Little Haven - The Settlands; detail of incompetent deformation (2)
Structural geology of Little Haven and The Settlands
The cliffs from Little Haven to Broad Haven (and northward) display a spectacular range of geological structures, folding, faulting and thrusting, mainly in the Lower Coal Measures. The relatively weak mudstone and shale-dominated sequences show much incompetent deformation: tight, thrusted and overturned folds, in contrast to the thicker, stronger, sandstones which have formed relatively open and concentric folds.
This is a closer view of the complexly folded and thrusted sequence in the central part of the The Settlands. The relatively weak mudstone and shale sequence has deformed incompetently.
In the centre, an anticline with a vertical/slightly overturned northern limb is separated by a near-horizontal thrust from the gently dipping shales just above the beach pebbles.
To the right, a curved slice of siltstones/thin sandstones is itself thrusted over the horizontal thrust. The dark shale bed in the centre of the photo is approximately at the horizon of the Amman Marine Band, which can be followed, despite the structural complexity, northwards (left) to The Rain headland.
See notes for individual descriptions of areas on the photo.
The cliffs from Little Haven to Broad Haven (and northward) display a spectacular range of geological structures, folding, faulting and thrusting, mainly in the Lower Coal Measures. The relatively weak mudstone and shale-dominated sequences show much incompetent deformation: tight, thrusted and overturned folds, in contrast to the thicker, stronger, sandstones which have formed relatively open and concentric folds.
This is a closer view of the complexly folded and thrusted sequence in the central part of the The Settlands. The relatively weak mudstone and shale sequence has deformed incompetently.
In the centre, an anticline with a vertical/slightly overturned northern limb is separated by a near-horizontal thrust from the gently dipping shales just above the beach pebbles.
To the right, a curved slice of siltstones/thin sandstones is itself thrusted over the horizontal thrust. The dark shale bed in the centre of the photo is approximately at the horizon of the Amman Marine Band, which can be followed, despite the structural complexity, northwards (left) to The Rain headland.
See notes for individual descriptions of areas on the photo.
Fred Fouarge has particularly liked this photo
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