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…
Small thrust and footwall syncline
Extentional faults detail: Saundersfoot south
Extentional faults: Saundersfoot south
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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
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Little Settlands - incompetent deformation 2
Little Settlands - incompetent deformation 1
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Little Haven - The Settlands; detail of incompeten…
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Little Haven - The Settlands; recumbent fold, thru…
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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
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Tenby North Sands chevron fold couplet
Tenby North Sands chevron fold couplet panorama
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Ladies Cave Anticline
1/100 • f/6.3 • 21.0 mm • ISO 100 •
Canon EOS 600D
EF-S15-85mm f/3.5-5.6 IS USM
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Ladies Cave Anticline
Saundersfoot to Swallowtree Bay geological structures
The Ladies Cave Anticline is a well-known and much visited structure in Lower Coal Measures rocks just south of Saundersfoot harbour.
This is a fine example of a chevron fold, often developed in alternating layers of stronger and weaker rocks. The fold is asymmetric; the axis dips steeply to the south (left). Accommodation structures as a result of the 'space problem' include thinning of the fold limbs in the weaker mudstones layers, 'flowing' up into the thickened fold hinge to form saddle structures.
There are also small scale thrusts in the hinge zone:
Earlier photos here (September 2010)
and here (February 1993)
The Ladies Cave Anticline is a well-known and much visited structure in Lower Coal Measures rocks just south of Saundersfoot harbour.
This is a fine example of a chevron fold, often developed in alternating layers of stronger and weaker rocks. The fold is asymmetric; the axis dips steeply to the south (left). Accommodation structures as a result of the 'space problem' include thinning of the fold limbs in the weaker mudstones layers, 'flowing' up into the thickened fold hinge to form saddle structures.
There are also small scale thrusts in the hinge zone:
Earlier photos here (September 2010)
and here (February 1993)
Roger (Grisly) has particularly liked this photo
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