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  • ...ontemporaneous volcanic centres are intimately associated with the Old Red Sandstone. ...ndstone, conglomerate and mudstone is represented in Orkney by the Yesnaby Sandstone Group and on the mainland by, for example, the Sarclet Group. In one except
    19 KB (2,863 words) - 12:30, 30 January 2015
  • ...|'''Figure 2''' Schematic generalised vertical section through the Old Red Sandstone rocks of the Turriff Outlier. Relative thicknesses are notional and based o ...in Figure 2. Note that the Gardens-town Conglomerate Formation (Inverness Sandstone Group) is locally directly unconformable on the Macduff Formation in the s
    19 KB (2,899 words) - 14:27, 12 January 2016

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  • ...y established in the early Carboniferous. All these occurrences of Old Red Sandstone are inferred to form the culmination of the ‘Bath Axis’, a westerly-dip
    3 KB (399 words) - 13:40, 2 December 2015
  • File:P785809.jpg
    Mostly Devonian The Old Red Sandstone Supergroup 416 to 359 million years ago.
    (592 × 942 (89 KB)) - 09:05, 6 June 2014
  • ...Devonian - the Old Red Sandstone Supergroup|Mostly Devonian - the Old Red Sandstone Supergroup]] ...New Red Sandstone Supergroup|Permian and Triassic - including the New Red Sandstone Supergroup]]
    1 KB (139 words) - 14:18, 29 January 2015
  • ...y lodgement tills derived from sandstones and conglomerates of the Old Red Sandstone Supergroup cropping out to the west (Peacock et al., 1968; Aitken et al., 1 ...ulites and quartzites, include clasts of calcareous sandstone, glauconitic sandstone, black shale and shelly limestone from offshore (Peacock et al., 1968; Aitk
    17 KB (2,410 words) - 16:41, 31 January 2018
  • ...ed, namely the Old Red Sandstone Supergroup, the Marros Group, and Pennant Sandstone Formation. These rock units lithologies have imparted a sandy and gravelly
    5 KB (835 words) - 10:59, 22 September 2015
  • ...oup |Old Red Sandstone Supergroup]] section describes the Devonian Old Red Sandstone outliers, now preserved in the fault-bounded Turriff and Rhynie basins. The ...(< 1&nbsp;km). Gravity data is used to model the thickness of the Old Red Sandstone sequence in the Turriff Basin, suggesting that it ranges from 800&nbsp;m in
    14 KB (2,067 words) - 14:26, 12 January 2016
  • | Orcadian Old Red S’stone Supergroup | Inverness Sandstone Group
    53 KB (7,485 words) - 14:26, 12 January 2016
  • ...|'''Figure 2''' Schematic generalised vertical section through the Old Red Sandstone rocks of the Turriff Outlier. Relative thicknesses are notional and based o ...in Figure 2. Note that the Gardens-town Conglomerate Formation (Inverness Sandstone Group) is locally directly unconformable on the Macduff Formation in the s
    19 KB (2,899 words) - 14:27, 12 January 2016
  • ...given names to reflect their location and composition, for example Scalpay Sandstone Formation. ...able and relatively resistant to weathering. Granular rocks, in particular sandstone, typically have a network of connected microscopic pore spaces and are usua
    14 KB (2,168 words) - 09:19, 1 February 2016
  • ...vel have been established for the three main aquifers, the Chalk, Sherwood Sandstone and the Lincolnshire Limestone (Table&nbsp;2.1). These values suggest that | Sherwood Sandstone Group
    39 KB (5,956 words) - 17:10, 16 February 2017