• Thumbnail for Lewisian complex
    The Lewisian complex or Lewisian gneiss is a suite of Precambrian metamorphic rocks that outcrop in the northwestern part of Scotland, forming part of...
    15 KB (1,795 words) - 23:10, 24 April 2024
  • Thumbnail for Moine Thrust Belt
    is the full sequence characteristic of the Hebridean Terrane. The Lewisian complex consists of mainly granitic gneisses that are of Archaean and Paleoproterozoic...
    21 KB (2,631 words) - 08:34, 20 March 2024
  • Thumbnail for Hebridean Terrane
    basement is formed by Archaean and Paleoproterozoic gneisses of the Lewisian complex, unconformably overlain by the Neoproterozoic Torridonian sediments...
    10 KB (1,113 words) - 21:21, 30 November 2021
  • Thumbnail for Islay
    Rhinns complex is dominated by a coarse-grained gneiss cut by large intrusions of deformed gabbro. Once thought to be part of the Lewisian complex, it lies...
    102 KB (11,819 words) - 18:47, 11 April 2024
  • Thumbnail for Iona
    About half of the island's bedrock is Scourian gneiss assigned to the Lewisian complex and dating from the Archaean eon making it some of the oldest rock...
    45 KB (5,554 words) - 22:00, 20 March 2024
  • Thumbnail for Pyroxenite
    igneous origin, though some pyroxenites are included in the metamorphic Lewisian complex of Scotland. The pyroxene-rich rocks, which result from the type of...
    6 KB (749 words) - 19:20, 18 January 2024
  • Thumbnail for Tiree
    station at Beinn Ghott. Tiree is formed largely from gneiss forming the Lewisian complex, a suite of metamorphic rocks of Archaean to early Proterozoic age...
    27 KB (2,859 words) - 23:31, 3 March 2024
  • Thumbnail for Coll
    of Argyll and Bute. Coll is formed largely from gneiss forming the Lewisian complex, a suite of metamorphic rocks of Archaean to early Proterozoic age...
    30 KB (3,274 words) - 17:43, 22 April 2024
  • Thumbnail for Torridon Group
    Nicol. Stratigraphically, they lie unconformably on gneisses of the Lewisian complex and their outcrop extent is restricted to the Hebridean Terrane. The...
    19 KB (2,424 words) - 13:47, 24 August 2023
  • Thumbnail for Shetland
    is complex, with numerous faults and fold axes. These islands are the northern outpost of the Caledonian orogeny, and there are outcrops of Lewisian, Dalradian...
    134 KB (13,180 words) - 12:46, 30 April 2024
  • Thumbnail for Kimberlite
    (September 1994). "Depletion of gold and LILE in the lower crust: Lewisian Complex, Scotland". Journal of the Geological Society. 151 (5): 747–754. Bibcode:1994JGSoc...
    31 KB (3,588 words) - 21:43, 6 May 2024
  • Thumbnail for Hebrides
    Geology and Landforms of Scotland. Edinburgh. Birlinn. p. 93 state of the Lewisian gneiss bedrock of much of the Outer Hebrides that "these rocks are amongst...
    78 KB (7,832 words) - 22:42, 9 May 2024
  • northwest and of southeast Scalpay is Archaean gneiss belonging to the Lewisian Complex. Across the centre of the island is a band of mylonite and protocataclasite...
    7 KB (811 words) - 17:02, 5 July 2023
  • Thumbnail for Lewis and Harris
    Estuarine Group Hebridean Terrane Lewisian complex Lorne plateau lavas Moine Supergroup Moine Thrust Belt Mull Rhinns complex Skye Staffa Torridonian Islands...
    21 KB (2,233 words) - 09:27, 21 April 2024
  • Thumbnail for Isle of Lewis
    of Lewis is dominated by the metamorphic gneisses of the eponymous Lewisian complex. Exceptions are a patch of granite near Carloway, small bands of intrusive...
    62 KB (6,617 words) - 22:45, 6 May 2024
  • Estuarine Group Hebridean Terrane Lewisian complex Lorne plateau lavas Moine Supergroup Moine Thrust Belt Mull Rhinns complex Skye Staffa Torridonian Islands...
    11 KB (1,287 words) - 15:43, 16 February 2024
  • Thumbnail for List of islands of Scotland
    are relatively low lying. Many have bedrock made from ancient Archaean Lewisian Gneiss which was formed 3 billion years ago; Shapinsay and other Orkney...
    74 KB (5,066 words) - 12:38, 7 April 2024
  • Thumbnail for Isle of Skye
    Estuarine Group Hebridean Terrane Lewisian complex Lorne plateau lavas Moine Supergroup Moine Thrust Belt Mull Rhinns complex Skye Staffa Torridonian Islands...
    94 KB (9,765 words) - 10:06, 22 April 2024
  • Thumbnail for Geology of the Isle of Skye
    the Quaternary. The oldest rocks found on Skye are gneisses of the Lewisian complex that were formed about 2,800 million years ago during the Archaean...
    10 KB (1,170 words) - 11:22, 8 April 2022
  • Thumbnail for Mainland, Orkney
    Estuarine Group Hebridean Terrane Lewisian complex Lorne plateau lavas Moine Supergroup Moine Thrust Belt Mull Rhinns complex Skye Staffa Torridonian Islands...
    24 KB (2,876 words) - 05:09, 10 April 2024
  • Thumbnail for Barra
    the Western Isles, Barra is formed from the oldest rocks in Britain, the Lewisian gneiss, which dates from the Archaean eon. Some of the gneiss in the east...
    41 KB (4,878 words) - 18:28, 31 March 2024
  • Thumbnail for Erraid
    Estuarine Group Hebridean Terrane Lewisian complex Lorne plateau lavas Moine Supergroup Moine Thrust Belt Mull Rhinns complex Skye Staffa Torridonian Islands...
    9 KB (961 words) - 05:01, 25 June 2022
  • Thumbnail for Mainland, Shetland
    Estuarine Group Hebridean Terrane Lewisian complex Lorne plateau lavas Moine Supergroup Moine Thrust Belt Mull Rhinns complex Skye Staffa Torridonian Islands...
    3 KB (350 words) - 23:28, 16 February 2024
  • Thumbnail for List of Shetland islands
    is complex with numerous faults and fold axes. These islands are the northern outpost of the Caledonian orogeny and there are outcrops of Lewisian, Dalradian...
    29 KB (2,942 words) - 17:05, 29 April 2024
  • Thumbnail for The Minch
    Estuarine Group Hebridean Terrane Lewisian complex Lorne plateau lavas Moine Supergroup Moine Thrust Belt Mull Rhinns complex Skye Staffa Torridonian Islands...
    6 KB (657 words) - 14:45, 11 December 2023
  • Thumbnail for Isle of Mull
    Estuarine Group Hebridean Terrane Lewisian complex Lorne plateau lavas Moine Supergroup Moine Thrust Belt Mull Rhinns complex Skye Staffa Torridonian Islands...
    53 KB (6,205 words) - 23:26, 3 April 2024
  • Thumbnail for Soay sheep
    Estuarine Group Hebridean Terrane Lewisian complex Lorne plateau lavas Moine Supergroup Moine Thrust Belt Mull Rhinns complex Skye Staffa Torridonian Islands...
    12 KB (1,210 words) - 07:40, 31 December 2023
  • Estuarine Group Hebridean Terrane Lewisian complex Lorne plateau lavas Moine Supergroup Moine Thrust Belt Mull Rhinns complex Skye Staffa Torridonian Islands...
    24 KB (2,946 words) - 23:37, 10 May 2024
  • Estuarine Group Hebridean Terrane Lewisian complex Lorne plateau lavas Moine Supergroup Moine Thrust Belt Mull Rhinns complex Skye Staffa Torridonian Islands...
    2 KB (278 words) - 14:48, 8 April 2022
  • Thumbnail for Eigg
    Estuarine Group Hebridean Terrane Lewisian complex Lorne plateau lavas Moine Supergroup Moine Thrust Belt Mull Rhinns complex Skye Staffa Torridonian Islands...
    63 KB (7,789 words) - 01:00, 10 May 2024