'Pipe Rock' at Skiag Bridge, Loch Assynt, Sutherla…
Storm beach at Aberbach, Pembrokeshire, Wales.
Suilven from Stac Pollaidh ridge
Quinag and Loch a' Chàirn an Bhàin
Quinag: start of the walk in
Quinag: Spidean Còinich
Quinag: Spidean Còinich and Lochan Bealach Cornadh
Quinag: Spidean Còinich from Sàil Gharbh summit
Quinag: Cambrian Basal Quartzite - Torridonian unc…
Quinag: Cambrian Basal Quartzite - Torridonian unc…
Canisp from Creag Dharaich
Benacre Cliffs - Westleton Formation
Collapsed pill box at Benacre Cliffs
Benacre Cliffs cross-bedded gravels 1
Benacre Cliffs cross-bedded gravels 2
Benacre Cliffs - Norwich Crag bioturbated clay wit…
Norwich Crag at Benacre cliffs
Benacre cliffs - Norwich Crag cross-bedded sands
Benacre cliffs: Norwich Crag cross-bedding detail
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
'Pipe Rock' at Skiag Bridge, Loch Assynt, Sutherla…
The Buck Stone, Staunton, Forest of Dean, Gloucest…
The Buck Stone, Staunton, Forest of Dean, Gloucest…
Quinag: Sàil Gharbh - south-west approach to the s…
Load structures on turbidite sandstones, Crooklets…
Load structures on turbidite sandstones, Crooklets…
Budleigh Salterton Pebble Beds - faulted
Budleigh Salterton Pebble Beds
Cliffs of composed of Otter Sandstone, Budleigh Sa…
Sky, sea, beach and marshes
Chavery Coal and roof strata, Duckmanton Railway C…
Chavery Coal and roof measures, Duckmanton Railway…
Vertical bedding slab at Northcott Mouth, Cornwall…
Little Barton Strand sole structures
Crackington Haven sole structures 2
Crackington Haven sole structures 1
Millook Haven cliff detail 6
Upside-down rocks at Millook Haven, Cornwall
Angular unconformity at Horton-in-Ribblesdale
Burton Cliff near sunset 2
Burton Cliff near sunset 1
Gold and indigo convergence, Burton Cliff
1/200 • f/5.0 • 17.0 mm • ISO 100 •
Canon EOS 350D DIGITAL
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'Pipe Rock' at Skiag Bridge, Loch Assynt, Sutherland (wide view)
This is the classic exposure of the Pipe Rock Member of the Eriboll Formation (early Cambrian) at Skiag Bridge, Loch Assynt, Sutherland, Scotland.
Cross-bedded pale grey quartzitic/feldspathic marine sandstones deposited as sand bars in a near-shoreline environment are stained purplish-red and penetrated by Skolithos burrows infilled with creamy grey sandstone.
This indicates that there was periodic halting of sedimentation and near, or actual emergence, so that oxidation of the iron and manganese minerals in the sediments could occur and the top part of the sediments colonised by burrowing organisms, probably worm-like animals.
Cross-bedded pale grey quartzitic/feldspathic marine sandstones deposited as sand bars in a near-shoreline environment are stained purplish-red and penetrated by Skolithos burrows infilled with creamy grey sandstone.
This indicates that there was periodic halting of sedimentation and near, or actual emergence, so that oxidation of the iron and manganese minerals in the sediments could occur and the top part of the sediments colonised by burrowing organisms, probably worm-like animals.
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