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Date Name Thumbnail Size User Description Versions
11:45, 6 June 2014 P007054.jpg (file) 203 KB Dbk W. of Cwm Croesor. Acid (granophyre) sill forms main feature with cleaved mudstones on either side mostly hidden by grass. Cnicht summit in distance. 1
11:44, 6 June 2014 P006782.jpg (file) 295 KB Dbk Flamborough Head. Looking WNW. Cliffs in Selwicks Bay. Well-bedded Upper Chalk with flints shows slight disturbance which has probably been caused by ice movement. In the background the cliffs are capped by landslipped Devensian glacial deposits. 1
11:36, 6 June 2014 P006254.jpg (file) 146 KB Dbk Drabber Tor, Wolfscote Dale at confluence with Biggin Dale, Derbyshire/N. Staffs. Looking NW. Castellated crags flanking the southern part of Wolfscote Dale composed of well-bedded pelletal calcarenitic limestone with thin micritic limestones of Lower ... 1
11:35, 6 June 2014 P005990.jpg (file) 208 KB Dbk Blindwells Opencast Site, Tranent. Limestone Coal Group strata, from Great Seam Coal to Four Foot Coal; shows small fault; variable overburden of glacial till; temporary spoil heap in far left, back-filled spoil near left. 1
11:34, 6 June 2014 P005775.jpg (file) 346 KB Dbk Stair Hole Cove, West Lulworth. Looking E. Stair Hole. Junction of Lower Purbeck and Portland Stone. 1
11:33, 6 June 2014 P005554.jpg (file) 242 KB Dbk Combs Quarry, Foredale. Looking W. Sub-Carboniferous unconformity. Steep, southwardly dipping Horton Formation laminated siltstones are overlain by horizontal, well-bedded Dinantian limestones. 1
11:33, 6 June 2014 P005147.jpg (file) 175 KB Dbk Hollin House Tongue, Seathwaite, Duddon Valley, Cumbria. Typical thin parallel-bedded sub-aerial volcaniclastic rocks that show a great variation in size. 1
11:32, 6 June 2014 P002763.jpg (file) 127 KB Dbk Ben Hope looking north-north-east from Alltnacaillich, Sutherland. Coarse feldspathic and siliceous Moine psammites dipping gently to the east intruded by the basic 'Ben Hope Sill'. The sill forms the long escarpment and can be traced for many miles an... 1
11:31, 6 June 2014 P001267.jpg (file) 489 KB Dbk Oblique aerial view of Edinburgh Castle Rock and the Arthur's Seat volcano, looking from the west-north-west. In the foreground, Edinburgh Castle sits on dolerite plugging a Lower Carboniferous volcanic vent intruded into softer sedimentary rocks. Glac... 1
11:30, 6 June 2014 P001157.jpg (file) 204 KB Dbk Looking south-west along the summit ridge of the 'Grey Corries' towards Aonach Beag (1234 m.). Glen Roy district, Lochaber. Well-bedded quartzites of the Glencoe Quartzite (Lochaber Subgroup) are well exposed with extensive areas of scree from frost-sh... 1
11:29, 6 June 2014 P001097.jpg (file) 165 KB Dbk Bass Rock from Seacliff Harbour, East Lothian. The islet is a volcanic plug composed of a non-porphyritic, orthophyric, fairly coarse-grained phonolitic trachyte, an intrusion related to the Garleton Hills Volcanic Rocks. The rocks in the foreground ar... 1
11:28, 6 June 2014 P000965.jpg (file) 162 KB Dbk Above the scarp lies a peaty platform composed of Cambrian Pipe Rock with some 'Fucoid' Beds at the eastern edge. Above the platform rises gneiss which has been carried on the combined Sole and Glencoul Thrust Planes and forms the main hill of Aird da ... 1
11:27, 6 June 2014 P000818.jpg (file) 523 KB Dbk Basal breccia or conglomerate of Upper Old Red Sandstone dipping at a low angle to left (north), resting on vertical shaly siltstone and thin greywacke of Silurian (Llandovery) age. The breccia consists of angular fragments of greywacke in a red, sandy... 1
11:27, 6 June 2014 P000742.jpg (file) 140 KB Dbk Obique aerial view looking north-east along the Great Glen from Banavie shows a linear fault-determined glen with glacial basins of Loch Lochy, Loch Oich and Loch Ness and U-shaped glacially scoured valley along the fault line. The Great Glen Fault Zon... 1
11:26, 6 June 2014 P000613.jpg (file) 209 KB Dbk Old Man of Hoy, north-west coast of Hoy. Orkney. A 137 m. sea stack composed of red sandstone of Upper Old Red Sandstone age. The stack rests on a pediment of Upper Old Red Sandstone basalt lava which unconformably sits on flagstones of Middle Old Red ... 1
10:42, 6 June 2014 P785847.jpg (file) 44 KB Dbk Triassic 251 to 200 million years ago. 1
10:41, 6 June 2014 P785844.jpg (file) 51 KB Dbk Devonian and the Old Red Sandstone 416 to 359 million years ago. 1
10:40, 6 June 2014 P785841.jpg (file) 43 KB Dbk Cambrian 542 to 488 million years ago. 1
10:38, 6 June 2014 P785838.jpg (file) 44 KB Dbk Neoproterozoic 1000 to 542 million years ago. 1
10:37, 6 June 2014 P785835.jpg (file) 98 KB Dbk Palaeogeographical sketch map of England and Wales during early to mid Ordovician. 1
10:36, 6 June 2014 P785829.jpg (file) 63 KB Dbk Schematic cross-section of the Wessex Basin. 1
10:35, 6 June 2014 P785825.jpg (file) 105 KB Dbk Early Cretaceous palaeogeographical sketch map. 1
10:35, 6 June 2014 P785822.jpg (file) 97 KB Dbk Late Permian palaeogeographical sketch map. 1
10:08, 6 June 2014 P785819.jpg (file) 97 KB Dbk Carboniferous palaeogeographical sketch maps. b Early Namurian. 1
10:07, 6 June 2014 P785816.jpg (file) 141 KB Dbk Click on a date/time to view the file as it appeared at that time. 1
10:06, 6 June 2014 P785812.jpg (file) 78 KB Dbk Jurassic and Cretaceous 200 to 65 million years ago. 1
10:03, 6 June 2014 P785809.jpg (file) 89 KB Dbk Mostly Devonian The Old Red Sandstone Supergroup 416 to 359 million years ago. 1
10:02, 6 June 2014 P785806.jpg (file) 107 KB Dbk Mesoproterozoic and Neoproterozoic 1600 to 542 million years ago. 1
10:01, 6 June 2014 P785802.jpg (file) 79 KB Dbk The lithological sequence in an idealised cyclothem. 1
10:00, 6 June 2014 P785796.jpg (file) 119 KB Dbk Geological timescale. 1
09:59, 6 June 2014 P680255.jpg (file) 150 KB Dbk   1
09:58, 6 June 2014 P669504.jpg (file) 208 KB Dbk   1
09:57, 6 June 2014 P667873.jpg (file) 217 KB Dbk   1
09:56, 6 June 2014 P667863.jpg (file) 121 KB Dbk   1
09:56, 6 June 2014 P667860.jpg (file) 150 KB Dbk   1
09:54, 6 June 2014 P667856.jpg (file) 103 KB Dbk   1
09:53, 6 June 2014 P649399.jpg (file) 145 KB Dbk   1
09:52, 6 June 2014 P616087.jpg (file) 487 KB Dbk Typical texture of the Lewisian Gneiss Complex as seen in a quarry on the north side of Vatersay Causeway, Barra, Outer Hebrides. 1
09:51, 6 June 2014 P580468.jpg (file) 267 KB Dbk Maculloch's Tree (cast of) encased in columnar basalt. Ardmeanach, Mull. Scale: hammer shaft is 30 cm. 1
09:50, 6 June 2014 P556198.jpg (file) 127 KB Dbk View to north from disused sandstone quarries on the slopes of Towns Fell, above Gawthorp in Dentdale. Sandstone of Brigantian age Alston Formation. 1
09:49, 6 June 2014 P548172.jpg (file) 203 KB Dbk   1
09:48, 6 June 2014 P547034.jpg (file) 293 KB Dbk Dessication polygons in sandstone, Lybster Subgroup, Lower Caithness Flagstone Group. 1
17:17, 5 June 2014 P225483.jpg (file) 264 KB Dbk Magheramorne Quarry. Ulster White Limestone. Well-bedded hard white chalk with flint bands and erosion surfaces outlined by orange-brown clay. 1
17:16, 5 June 2014 P225292.jpg (file) 297 KB Dbk Knockmore Cliff, County Fermanagh. Looking SW. Knockmore Cliff. Scarp and scree in massive limestone, probably Upper Limestone, Carboniferous Limestone Series. 1
17:14, 5 June 2014 P222619.jpg (file) 213 KB Dbk 50 m W. of Grimbald Crag, Knaresborough. Looking SE. The Carboniferous/Permian unconformity at Grimbald Crag, Knaresborough. Oolitic limestones of the Lower Magnesian Limestone - Upper Subdivision rest unconformably upon a buried hill of slightly redde... 1
17:14, 5 June 2014 P221294.jpg (file) 278 KB Dbk Blackhall Rocks. Looking N. Eastern tip of headland, showing algal stromatolitic ?Hartlepool and Roker Dolomite with conspicuous bed of coarse rolled stromatolite blocks. 1
17:13, 5 June 2014 P220190.jpg (file) 506 KB Dbk Dobb's Linn. Large groove cast on base of greywacke bed. The main waterfall flows down the slightly overturned base of a thick greywacke bed. The large groove casts are seen to the right of the waterfall. 1
17:12, 5 June 2014 P219662.jpg (file) 329 KB Dbk N. of Loch Quoich, Kinloch Hourn Road and NE of Loch a' Choire Bheithe. Glenfinnan Group. Folded striped psammite and pelite typical of the Glenfinnan Group. Axial fabrics can be seen in pelite beside the hammer. 1
16:42, 5 June 2014 P895014.jpg (file) 172 KB Dbk The development of the terminology in the offshore UK Sector. 1
16:41, 5 June 2014 P895010.jpg (file) 176 KB Dbk The Inner Hebrides Scottish Chalk Province. 1
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