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 solifluction deposit
St Brides Haven - view east
St Brides Haven: colourful rocks, colourful sea
Victoria Bay bedding planes in Silurian sandstones
Victoria Bay and Skokholm Island
Gateholm and Skokholm Islands
Broad Haven (S) view east to Stackpole Head and Ca…
Church Rock from Saddle Point
Broad Haven (S) view west
Box Bay panorama
Box Bay with caves
Sandy Pit doline
Sandy Pit doline panorama
Lichens and Viper's Bugloss on Mowingword Point
Mowingword Bay, Pinnacle Stack and Gun Cliff
Barafundle Bay cloudscape from Stackpole Head
Lattice Windows sea arches and Barafundle Bay
Stackpole Head from Mowingword Point
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…
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
The Settlands sand trees 3
The Settlands sand trees 2
The Settlands sand trees 1
Little Settlands - inverted thin coals and disturb…
Little Settlands - incompetent deformation 2
Little Settlands - incompetent deformation 1
Little Haven - The Settlands; detail of overturned…
Little Haven - The Settlands; detail of incompeten…
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
Newgale Sands 3
Small Copper at Trefrane Cliff Colliery
Trefrane Cliff Colliery chimney 4
Trefrane Cliff Colliery chimney 3
Trefrane Cliff Colliery chimney 2
Trefrane Cliff Colliery chimney 1
Newgale Sands 2
Newgale Sands 1
Rickets Head Black Cliff Colliery tip and Newgale
Rickets Head south mining activity panorama
Rickets Head end-on view
Rickets Head north mining activity panorama
Nolton Haven north west cliffs of Pennant Sandston…
Nolton Haven sandstone channel edge 1
Nolton Haven sandstone channel edge 2
Nolton Haven sandstone channel edge lag deposits 1
Nolton Haven sandstone channel edge lag deposits 2
Nolton Haven ironstone pebbles in channel lag depo…
Nolton Haven ironstone pebbles in channel lag depo…
Nolton Haven sandstone channel scours
Nolton Haven channel sandstones
Nolton Haven channel sandstones 2
1/50 • f/6.3 • 15.0 mm • ISO 100 •
Canon EOS 600D
EF-S15-85mm f/3.5-5.6 IS USM
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See also...
Coasts of the sea: animals, vegetation and coastal geology
Coasts of the sea: animals, vegetation and coastal geology
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- Photo replaced on 08 Jul 2020
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Druidston Haven: Cliff Section 6
Druidston Haven geology: Cliff Section 6
Photo No.6 of a series of six photos and interpretations to illustrate the geology of Druidston Haven, Pembrokeshire.
The cliffs of Druidston Haven mostly consist of Ordovician (Caradocian) age shales with some thin sandstones. During the Caledonian orgogeny at the end of the Silurian period, these were deformed into a series of mostly upright open folds. These were then re-folded by Variscan movements at the end of Carboniferous, to become largely recumbent (near horizontal) or partly inverted, facing down towards the south.
The Ordovician rocks form a horst - a ridge or block of strata faulted against younger rocks on either side. The Druidston Horst is bounded by the South Druidston Boundary Fault at the south end of the Haven, and the North Druidston Boundary Fault at the north end. This photo shows the southern end of the horst, terminated by the Southern Boundary Fault; a significant structure with a throw (displacement) of at least 1500 metres to the south, bringing Namurian 'Millstone Grit Series' (upper Carboniferous) rocks into contact with the Ordovician shales.
Photo No.6 of a series of six photos and interpretations to illustrate the geology of Druidston Haven, Pembrokeshire.
The cliffs of Druidston Haven mostly consist of Ordovician (Caradocian) age shales with some thin sandstones. During the Caledonian orgogeny at the end of the Silurian period, these were deformed into a series of mostly upright open folds. These were then re-folded by Variscan movements at the end of Carboniferous, to become largely recumbent (near horizontal) or partly inverted, facing down towards the south.
The Ordovician rocks form a horst - a ridge or block of strata faulted against younger rocks on either side. The Druidston Horst is bounded by the South Druidston Boundary Fault at the south end of the Haven, and the North Druidston Boundary Fault at the north end. This photo shows the southern end of the horst, terminated by the Southern Boundary Fault; a significant structure with a throw (displacement) of at least 1500 metres to the south, bringing Namurian 'Millstone Grit Series' (upper Carboniferous) rocks into contact with the Ordovician shales.
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