5-490: Oxfordian may refer to: Oxfordian (stage) , a geological time interval in the Jurassic period Oxfordian theory of Shakespeare authorship , the view that Edward de Vere wrote under Shakespeare's name A person or thing associated with Oxford or Oxford University Topics referred to by the same term [REDACTED] This disambiguation page lists articles associated with
10-741: The ICS ' geologic timescale , the earliest age of the Late Jurassic Epoch , or the lowest stage of the Upper Jurassic Series . It spans the time between 161.5 ± 1.0 Ma and 154.8 ± 0.8 Ma (million years ago). The Oxfordian is preceded by the Callovian and is followed by the Kimmeridgian . The Oxfordian Stage was called "Clunch Clay and Shale" by William Smith (1815–1816); in 1818 W. Buckland described them under
15-515: The cliffs at Scarborough , Red Cliff and Gristhorpe Bay . Rocks of this age are found also in Uig and Skye . The base of the Oxfordian Stage is defined as the point in the stratigraphic record where the ammonite species Brightia thuouxensis first appears. A global reference profile for the base (a GSSP ) had in 2009 not yet been assigned. The top of the Oxfordian Stage (the base of
20-476: The title Oxfordian . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=Oxfordian&oldid=940504271 " Category : Disambiguation pages Hidden categories: Short description is different from Wikidata All article disambiguation pages All disambiguation pages Oxfordian (stage) The Oxfordian is, in
25-458: The unwieldy title "Oxford, Forest or Fen Clay". The term Oxfordian was introduced by Alcide d'Orbigny in 1844. The name is derived from the English city of Oxford , where the beds are well developed, but they crop out almost continuously from Dorset to the coast of Yorkshire , generally forming low, broad valleys. They are well exposed at Weymouth , Oxford, Bedford , Peterborough , and in
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