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Date Name Thumbnail Size User Description Versions
16:13, 10 June 2014 P785801.jpg (file) 126 KB Dbk Geological terranes of northern Britain and Ireland. 1
16:13, 10 June 2014 P785798.jpg (file) 127 KB Dbk Obduction and subduction, schematic model. 1
16:05, 10 June 2014 P667875.jpg (file) 250 KB Dbk   1
16:05, 10 June 2014 P667869.jpg (file) 207 KB Dbk   1
16:04, 10 June 2014 P667862.jpg (file) 190 KB Dbk   1
16:03, 10 June 2014 P667859.jpg (file) 240 KB Dbk   1
16:03, 10 June 2014 P667854.jpg (file) 160 KB Dbk Beacon Hill Tuff Formation at Charnwood, Leicestershire. Looking over low-lying Triassic terrain. 1
16:02, 10 June 2014 P649398.jpg (file) 229 KB Dbk   1
16:01, 10 June 2014 P613534.jpg (file) 224 KB Dbk Ben Starav. View over the minor pinnacles on the north-north-east ridge of Ben Starav looking over Glen Etive towards Sgor na h-Ulaidh and the Bidean nam Bian group, with Ben Nevis and Mamores in the distance. 1
16:00, 10 June 2014 P580487.jpg (file) 153 KB Dbk Granite hills of northern Arran. The well-jointed granites (slabs in foreground) form the glaciated peaks of Cir Mhor (left) and Casteil Abhaill (centre). Deep notches in the ridge mark the sites of easily-weathered basalt dykes. 1
15:59, 10 June 2014 P580464.jpg (file) 159 KB Dbk Columnar jointed tholeiitic basaltic lava resting on bedded volcaniclastic deposits. Isle of Staffa. Scale: the cliff is about 35 m in height. 1
15:57, 10 June 2014 P548113.jpg (file) 198 KB Dbk   1
15:56, 10 June 2014 P547033.jpg (file) 161 KB Dbk Mudstone-sandstone lacustrine laminites, Lybster Subgroup, Lower Caithness Flagstone Group. 1
15:52, 10 June 2014 P225420.jpg (file) 453 KB Dbk Dog Leap, River Roe near Limavady. Looking N. Dalradian metasediments. Strongly cleaved grey fine-grained grits, slightly calcareous and pelitic in parts. 1
15:51, 10 June 2014 P225275.jpg (file) 400 KB Dbk Cushendun. Raised beach caves in massive Old Red Sandstone conglomerate. 1
15:50, 10 June 2014 P222612.jpg (file) 468 KB Dbk 100 m. SE of Low Bridge, Knaresborough. Chapel of Our Lady of the Crag (restored), formerly St. Robert's Chapel. A small chapel hewn from the Lower Magnesian Limestone - Upper Subdivision. The limestone is composed of large-scale (5-18 m. sets) of cros... 1
15:49, 10 June 2014 P220598.jpg (file) 299 KB Dbk Blea Tarn and Langdale. Glaciated upland scenery. Blea Tarn occupies a combe, the backwall of which has been removed by the valley glacier that flowed down Great Langdale (seen in the distance). 1
15:49, 10 June 2014 P219790.jpg (file) 443 KB Dbk Dippal Burn. Bedded siltstones and sandstones. Dippal Burn Formation. 1
15:37, 10 June 2014 P211781.jpg (file) 344 KB Dbk Orsett Depot Quarry, West Pit. Looking NE. Woolwich Beds. Large-scale cross-stratification of Woolwich Beds showing interbedded pebbles and sands with clay laminae in the upper part of the sequence. 1
15:36, 10 June 2014 P104211.jpg (file) 391 KB Dbk North-east shoulder of Ben Alder, near Culra Bothy. Folds in Grampian Group psammites on the north-east shoulder of Ben Alder. Crenulation associated with folds. 1
15:35, 10 June 2014 P063592.jpg (file) 149 KB Dbk Montserrat. Pyroclastic flow in Tar River Valley. 1
15:32, 10 June 2014 P008464.jpg (file) 342 KB Dbk Portobello, sea cliffs on S. side of bay. Large monoformal fold pair. From complex fold zone within the greywackes of the Upper Ordovician Kirkcolm Formation. 1
15:32, 10 June 2014 P008309.jpg (file) 365 KB Dbk Rubh' Aird-mhicheil, South Uist. Layered basic body in Lewisian gneiss. Banded basic/anorthositic layered body in Lewisian gneiss. 1
15:31, 10 June 2014 P008214.jpg (file) 496 KB Dbk SE slope of Foel Traian. Looking W. Columnar joints. Columnar jointing developed in a dolerite sill intruded between the Allt Lwyd Formation and the overlying acid volcanics. 1
15:30, 10 June 2014 P007928.jpg (file) 231 KB Dbk Trwyn Maen Melyn. Gwna Melange (Precambrian). Gwna Melange with white quartzite blocks. 1
15:29, 10 June 2014 P007651.jpg (file) 457 KB Dbk Galchen, Llandewi Rhydderch. ? Psammosteus Limestone. Recent exposure of nodular to rubbly calcrete, thought to be the Psammosteus Limestone. This is taken as the junction between St. Maughan's Group above and Raglan Marl below (Lower Old Red Sandstone... 1
15:27, 10 June 2014 P007343.jpg (file) 328 KB Dbk Penrhyn Slate Quarry, Bethesda. Folded banded siltstone and purple silty mudstone showing bedding/cleavage relationship, Llanberis Slate Formation. 1
15:25, 10 June 2014 P007083.jpg (file) 335 KB Dbk Penrhyn Quarry is famed for the production of its purple-red slates. Several beds or veins of slate are worked in the quarry. The purple Penrhyn Slates can be seen on house roofs throughout the UK and were also shipped worldwide, most notably to Austra... 1
15:20, 10 June 2014 P006784.jpg (file) 269 KB Dbk Flamborough Head. Looking SE. High stacks. Well-bedded flintless Upper Chalk is overlain by thick glacial deposits of Devensian age. The base of the flintless chalk is said to occur at about sea level. 1
15:19, 10 June 2014 P006771.jpg (file) 265 KB Dbk High Red Cliff, Cayton Bay. Looking E. Kellyaways Rock, Hackness Rock and Oxford Clay capped by Lower Calcareous Grit, Cayton Bay, near Scarborough. 1
15:13, 10 June 2014 P006263.jpg (file) 286 KB Dbk N. face of Chrome Hill, upper Dove Valley. Looking ESE. Scenery formed by the limestones of B2 apron-reef complex at the western margin of the Derbyshire Block. The marginal reef complex limestones form the foreground slope and the two steep-sided hill... 1
15:12, 10 June 2014 P005992.jpg (file) 475 KB Dbk Between Balcreuchan Port and Port Vad, near Ballantrae. Basalt pillows. Large pillows of reddened, feldspar-phyric spilitic basalt. 1
15:11, 10 June 2014 P005798.jpg (file) 271 KB Dbk Lulworth Cove. Looking E. Lulworth Cove - a natural harbour. The cove has been formed by widening of the sea in the Portland Stone and Lower Purbeck Limestone, and by washing away of the softer Middle and Upper Purbeck and Wealdon Beds behind. On the f... 1
15:10, 10 June 2014 P005586.jpg (file) 247 KB Dbk In many areas of the country local stones were used to build the drystone walls that still form the principal field boundaries in our upland areas often replacing hedges and fences. The Yorkshire Dales has many fine examples of drystone walling techniq... 1
15:09, 10 June 2014 P005510.jpg (file) 251 KB Dbk Jenny Twigg and her Daughter Tib, Sype Land. Looking N. Relicts of Lower Brimham Grit. Surrounding softer sandstone strata have been worn away leaving the two tors still in situ. Cross-bedding is well illustrated. 1
15:09, 10 June 2014 P002861.jpg (file) 344 KB Dbk Gart, Callander, Perthshire. A glacial erratic. An exhumed ice-scoured boulder of Old Red Sandstone conglomerate occurring in outwash gravels of the Loch Lomond Readvance glacier which terminated in the vicinity. See also D03326 for a close-up. The bou... 1
15:08, 10 June 2014 P001560.jpg (file) 467 KB Dbk Foss Barite Mine, Aberfeldy, Perthshire. The stope of broken ore comes from a raise (a vertical or sub-vertical shaft) connecting the 630 m. level to the 660 m. level for ventilation and mining purposes. 630 m. level operations. Large F3 fold closure. ... 1
15:07, 10 June 2014 P001225.jpg (file) 257 KB Dbk The dry valley to the north-west (right) contains the Gualann Fault with the subsidiary grassy ridge consisting mainly of serpentinite - now largely brecciated and altered to dolomite. Its derived clastic origin is seen in parts. The low relief areas t... 1
15:06, 10 June 2014 P001125.jpg (file) 357 KB Dbk Finnich Glen, near Finnich Toll by Killearn, Stirlingshire. Gorge cut in well-laminated sandstones belonging to the Stockiemuir Sandstone Formation, Stratheden Group, Upper Devonian age. The brick-red aeolian sandstones show alternations of cross-bedde... 1
15:05, 10 June 2014 P001078.jpg (file) 294 KB Dbk Lion Rock, Great Cumbrae. Buteshire. A Tertiary age tholeiitic andesite dyke of cumbraeite type intruded into Upper Devonian sandstones. The rock is a former sea stack, now preserved on the post-glacial raised beach. The dyke, forming a wall on a 15 fe... 1
10:04, 9 June 2014 P000857.jpg (file) 321 KB Dbk Oblique aerial view of Cul Mor. Torridonian-Lewisian unconformity. Cambrian quartzite forms the two higher conical summits of Cul Mor, it rests unconformably on the Torridonian. Ross & Cromarty. View eastwards. Cul Mor is a relict mountain of reddish-b... 1
10:02, 9 June 2014 P000770.jpg (file) 273 KB Dbk Oblique aerial view of the island of Staffa. Argyll and Bute. Fingal's Cave is on the right, it shows the columnar jointing in Tertiary volcanic lava flows. The Fingal's Cave lava rests on a red ash. Above this the flow can be divided into a lower zone... 1
10:01, 9 June 2014 P000654.jpg (file) 353 KB Dbk North side of the Bay of Laig, Isle of Eigg. Inverness-shire. Large carbonate concretions in the Valtos Sandstone Formation (Jurassic). The carbonate concretions are believed to have formed during the late Jurassic burial of sand bodies, when calcite p... 1
09:41, 9 June 2014 P895013.jpg (file) 193 KB Dbk The Northern Ireland Cretaceous Province. 1
09:41, 9 June 2014 P895009.jpg (file) 147 KB Dbk The development of the terminology in the Scottish Chalk Province. 1
09:40, 9 June 2014 P895006.jpg (file) 157 KB Dbk The development of the terminology in south-east Devon (Southern Province). 1
09:39, 9 June 2014 P894998.jpg (file) 197 KB Dbk Litho- biostratigraphical correlation chart for the Chalk Group of Southern England. From Research Report RR/05/01. 1
09:36, 9 June 2014 P895011.jpg (file) 211 KB Dbk The development of the terminology in the Ulster Cretaceous Province. 1
09:35, 9 June 2014 P895008.jpg (file) 135 KB Dbk The development of the terminology in the Northern Province. 1
08:34, 9 June 2014 P785848.jpg (file) 43 KB Dbk Jurassic 200 to 145 million years ago 1
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