• Thumbnail for Blue Lias
    The Blue Lias is a geological formation in southern, eastern and western England and parts of South Wales, part of the Lias Group. The Blue Lias consists...
    22 KB (1,559 words) - 11:14, 13 January 2024
  • The Lias Group or Lias is a lithostratigraphic unit (a sequence of rock strata) found in a large area of western Europe, including the British Isles, the...
    5 KB (570 words) - 19:06, 3 September 2022
  • Early Jurassic (redirect from Lias (period))
    ±0.8 Ma. Certain rocks of marine origin of this age in Europe are called "Lias" and that name was used for the period, as well, in 19th-century geology...
    12 KB (992 words) - 21:58, 21 March 2024
  • Thumbnail for Street, Somerset
    such, is also given the name Lower Lias. It consists of thin blue argillaceous, or clay-like, limestone. The Blue Lias contains many fossils, especially...
    40 KB (4,342 words) - 16:26, 5 February 2024
  • Thumbnail for Mary Anning
    and the history of the Earth. Anning searched for fossils in the area's Blue Lias and Charmouth Mudstone cliffs, particularly during the winter months when...
    82 KB (9,915 words) - 18:45, 5 March 2024
  • Thumbnail for Glastonbury Tor
    mythological and spiritual associations. The conical hill of clay and Blue Lias rises from the Somerset Levels. It was formed when surrounding softer...
    37 KB (4,072 words) - 16:37, 13 March 2024
  • which the Lias was deposited. An example is the British Blue Lias, which has an upper Rhaetian to Sinemurian age. Another example is the lower Lias from the...
    7 KB (524 words) - 16:07, 10 November 2022
  • Thumbnail for Fossil Beach (Sedbury Cliffs)
    Period. The Blue Lias contains limestone, mudstone and siltstone, and this formation comprises the lower boundary of the Lias Group. The lias here can be...
    11 KB (1,146 words) - 22:07, 8 December 2022
  • Thumbnail for Geology of Dorset
    lower Lias. Formed during the Late Rhaetian to Pliensbachian, in what was then a shallow marine environment, the lower Lias is composed of Blue Lias, Black...
    40 KB (5,604 words) - 12:23, 10 June 2023
  • Warwickshire. It gets the name ‘lias’ from the quarrymen's dialect for ‘layers’, referring to its natural state when quarried. White lias is part of the Langport...
    4 KB (362 words) - 05:45, 9 June 2023
  • Thumbnail for Sinemurian
    the Hettangian age, saw the deposition of the lower Lias, in Great Britain known as the Blue Lias. The Sinemurian Stage was defined and introduced into...
    7 KB (497 words) - 21:49, 17 May 2023
  • Thumbnail for Charmouth Mudstone Formation
    Lias Group. It is most prominently exposed at its type locality in cliff section between Lyme Regis and Charmouth (alongside the underlying Blue Lias)...
    34 KB (1,527 words) - 02:34, 7 January 2024
  • Thumbnail for Plesiosaurus
    Jurassic)-age rocks of the lower Lias Group in December 1823. Additional fossils of Plesiosaurus were found in rocks of the Lias Group of Dorset for many years...
    22 KB (2,193 words) - 06:49, 18 January 2024
  • Thumbnail for Sarcosaurus
    G667–690, a partial skeleton also from Wilmcote, both specimens are from the Blue Lias. In 1974 S. andrewsi was reclassified as Megalosaurus andrewsi by Michael...
    19 KB (2,024 words) - 20:07, 3 March 2024
  • Thumbnail for Somerset
    Blue Lias has been used locally as a building stone and as a raw material for lime mortar and Portland cement. Until the 1960s, Puriton had Blue Lias...
    121 KB (11,494 words) - 19:02, 26 March 2024
  • Thumbnail for Lyme Regis
    along the Jurassic Coast include a range of important fossil zones. The Blue Lias and Charmouth Mudstone geological formations host a multitude of remains...
    36 KB (4,128 words) - 16:32, 15 March 2024
  • Thumbnail for Golden Cap
    Storms have previously exposed fossilised ammonites and belemnites in the Blue Lias base. The name derives from the distinctive outcropping of golden greensand...
    4 KB (331 words) - 15:37, 17 March 2024
  • deep water covered the area the alternating limestones and shales of the Blue Lias were deposited. After the early Jurassic no evidence of geological events...
    8 KB (940 words) - 21:01, 18 July 2023
  • Thumbnail for Puriton
    when new houses were built on former farm land, a former infilled stone Blue Lias quarry, Puriton Park, and on fields between the existing houses. The old...
    16 KB (2,047 words) - 23:17, 19 July 2023
  • Thumbnail for Jurassic Coast
    as a collector. She became an expert on the fossils to be found in the Blue Lias around the town and discovered the first complete Ichthyosaur skeleton...
    21 KB (2,323 words) - 21:31, 7 February 2024
  • Thumbnail for Rugby, Warwickshire
    1862 when the Rugby Lias Lime & Cement Company Ltd was founded to take advantage of the locally available deposits of Blue Lias limestone. A factory...
    85 KB (8,823 words) - 10:31, 8 March 2024
  • Thumbnail for Sedimentary rock
    Cyclic alternation of competent and less competent beds in the Blue Lias at Lyme Regis, southern England...
    63 KB (7,695 words) - 02:14, 12 February 2024
  • Thumbnail for Southerndown
    laterally into, and are overlain by, the alternating blue-grey limestones and shales of the Blue Lias. The Jurassic rocks are generally rich in fossils....
    6 KB (758 words) - 21:40, 18 February 2023
  • Thumbnail for Jurassic
    Quantoxhead, 6 kilometres east of Watchet, Somerset, England, within the Blue Lias, and was ratified in 2000. The beginning of the Sinemurian is defined...
    227 KB (24,488 words) - 10:18, 27 March 2024
  • lived inland but went to Kilve to cool off. In the early 19th century the Blue Lias shale formation outside of Kilve was quarried, during which process the...
    3 KB (353 words) - 03:26, 28 November 2021
  • Thumbnail for Rhomaleosauridae
    rhomaleosaurids are known from England, many specifically from lower Blue Lias deposits that date back to the earliest Jurassic, just at the boundary...
    8 KB (498 words) - 18:01, 17 February 2024
  • Thumbnail for Dracoraptor
    first discovered in 2014 by Rob and Nick Hanigan and Sam Davies at the Blue Lias Formation on the South Wales coast. The genus name Dracoraptor is from...
    14 KB (1,566 words) - 20:14, 11 January 2024
  • Thumbnail for Llandaff Cathedral
    medieval period is primarily Dundry stone from Somerset, though local blue lias constitutes most of the stonework done in the post-Reformation period...
    62 KB (7,042 words) - 08:58, 18 January 2024
  • Thumbnail for Cardiff
    striped yellow-blue Jurassic limestone cliffs. The Glamorgan coast is the only part of the Celtic Sea with exposed Jurassic (blue lias) geology. This...
    203 KB (18,310 words) - 03:22, 19 March 2024
  • Thumbnail for Fossiliferous limestone
    Plattenkalk Tufa Alum Bluff Formation Angoumian Arenig Bioclast Biostratigraphy Blue Lias Carnian Chalk Group Ediacara biota Elk Point Group Eramosa Galena Group...
    6 KB (634 words) - 06:51, 21 February 2024