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1 References  














Woburn Sands Formation







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Coordinates: 52°0210N 0°2326W / 52.0360°N 0.3906°W / 52.0360; -0.3906
 

From Wikipedia, the free encyclopedia
 


Woburn Sands Formation
Stratigraphic range: Late Aptian- Early Albian

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TypeGeological formation
Unit ofLower Greensand Group
UnderliesGault Formation
OverliesJurassic or older rocks, usually mudstones of the Ancholme Group like the Oxford Clay, Kimmeridge Clay and Ampthill Clay
Thicknessup to 120 metres (390 ft)
Lithology
PrimarySandstone
OtherClay
Location
RegionEurope
Country England
ExtentBedfordshire, Buckinghamshire, Cambridgeshire
Type section
Named forWoburn, Bedfordshire
LocationDisused fuller's earth workings between Woburn Sands and Woburn

The Woburn Sands Formation is a geological formationinEngland. Part of the Lower Greensand Group, it is the only unit of the group where it occurs, and thus is sometimes simply referred to as the 'Lower Greensand' in these areas. It was deposited during the late Aptian to early Albian stages of the Early Cretaceous. The lithology consists of sandstone or loose sand with rare wisps or thin seams of clay.[1] The formation was extensively exploited in the 19th century for the "coprolite industry", with coprolite being a local term referring to phosphate nodules of varying origins (often the internal moulds of shells), named due to their resemblance to real coprolites. The formation contains reworked fossils of late Tithonian-Berriasian age from deposits that are no longer found locally, equivalent in age to the Sandringham Sand FormationinNorfolk and the Spilsby SandstoneofLincolnshire, these include Dicranodonta and the ammonite Subcraspedites.[2] Reworked dinosaur material is known from the Potton locality within the formation.[3]

References[edit]

  1. ^ "Woburn Sands Formation". BGS Lexicon of Named Rock Units. British Geological Survey. Retrieved 1 August 2018.
  • ^ Kelly, Simon R.A.; Rolfe, Ken R. (June 2020). "The 'coprolite' bearing Woburn Sands Formation, Lower Greensand Group (Aptian) at Upware, Cambridgeshire, UK". Proceedings of the Geologists' Association. 131 (3–4): 334–352. doi:10.1016/j.pgeola.2020.03.011. S2CID 225668476.
  • ^ Weishampel, David B; et al. (2004). "Dinosaur distribution (Early Cretaceous, Europe)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 556-563. ISBN 0-520-24209-2.
  • 52°02′10N 0°23′26W / 52.0360°N 0.3906°W / 52.0360; -0.3906


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  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Woburn_Sands_Formation&oldid=1131198834"

    Categories: 
    Rock formations of England
    Geologic formations of the United Kingdom
    Aptian Stage
    Albian Stage
    Lower Cretaceous Series of Europe
    United Kingdom geologic formation stubs
    Hidden categories: 
    Pages using gadget WikiMiniAtlas
    Use dmy dates from April 2022
    Coordinates not on Wikidata
    All stub articles
     



    This page was last edited on 3 January 2023, at 01:07 (UTC).

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