Anglian stage explained

Anglian
Time Start:0.478
Time End:0.424
Celestial Body:earth
Usage:Regional
Timescales Used:British Isles
Used By: United Kingdom
Chrono Unit:Age
Strat Unit:Stage

The Anglian Stage is the name used in the British Isles for a middle Pleistocene glaciation. It precedes the Hoxnian Stage and follows the Cromerian Stage in the British Isles. It correlates to Marine Isotope Stage 12 (MIS 12),[1] [2] [3] which started about 478,000 years ago and ended about 424,000 years ago.[4] [5]

Description

The Anglian stage has often been correlated to the Elsterian Stage of northern Continental Europe and the Mindel Stage in the Alps.[6]

The Anglian was the most extreme glaciation during the last two million years. In Britain the ice sheet reached the Isles of Scilly and the Western Approaches, the furthest south the ice reached in any Pleistocene ice age.[7] In the south-east of England it diverted the River Thames from its old course through the Vale of St Albans south to its present position.[8]

This stage had been equated to the Kansan Stage in North America. The stage names "Kansan", "Yarmouth", "Nebraskan" and "Aftonian" were later abandoned by North American Quaternary geologists and merged into the Pre-Illinoian stage.[9] [10] The Anglian Stage is now correlated with the period of time which includes the Pre-Illinoian B glaciation of North America.[3] [10]

See also

See also

Historical names of the "four major" glacials in four regions.! Region! Glacial 1! Glacial 2! Glacial 3! Glacial 4
AlpsGünzMindelRissWürm
North EuropeEburonianElsterianSaalianWeichselian
British IslesBeestonianAnglianWolstonianDevensian
Midwest U.S.NebraskanKansanIllinoianWisconsinan
Historical names of interglacials.! Region! Interglacial 1! Interglacial 2! Interglacial 3
AlpsGünz-MindelMindel-RissRiss-Würm
North EuropeWaalianHolsteinianEemian
British IslesCromerianHoxnianIpswichian
Midwest U.S.AftonianYarmouthianSangamonian

Further reading

External links

Notes and References

  1. McMillan, A.A. . A provisional Quaternary and Neogene lithostratigraphic framework Great Britain . Netherland Journal of Geosciences . 84 . 2 . 87–107 . 2005 . 10.1017/S0016774600022988 . free .
  2. Book: Walker, M. . Quaternary Dating Methods . Wiley . Chichester UK . 2005 . 0-470-86927-5 .
  3. Web site: Gibbard, P.L. . Boreham, S. . Cohen, K.M. . Moscariello, A. . Global chronostratigraphical correlation table for the last 2.7 million years . 2007 . Subcommission on Quaternary Stratigraphy, Department of Geography, University of Cambridge . Cambridge UK . JPG 844 kb . dead . https://web.archive.org/web/20080910122430/http://www.quaternary.stratigraphy.org.uk/correlation/POSTERSTRAT_v2007b_small.jpg . 2008-09-10 .
  4. [Lisiecki, L.E.]
  5. Lisiecki, L.E.. Raymo, M.E. . Lorraine Lisiecki. Maureen Raymo. A Pliocene-Pleistocene stack of 57 globally distributed benthic d18O records . Paleoceanography . 20 . PA1003 . 2005 . 10.1029/2004PA001071 . 2005PalOc..20.1003L. 2027.42/149224 . 12788441 . free .
  6. http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.734.1691&rep=rep1&type=pdf Böse et al. (2012), Quaternary Glaciations of Northern Europe, Quaternary Science Reviews 44, page 17-22.
  7. Scourse, JD (ed) (2006) The Isles of Scilly: Field Guide. Quaternary Research Association, London, 2006.
  8. Web site: Greater London. http://webarchive.nationalarchives.gov.uk/20140605090108/http://www.naturalengland.org.uk/ourwork/conservation/geodiversity/englands/counties/area_ID14.aspx. dead. 5 June 2014. Natural England. 28 March 2013.
  9. Hallberg, G.R. . Pre-Wisconsin glacial stratigraphy of the Central Plains region in Iowa, Nebraska, Kansas, and Missouri . Quaternary Science Reviews . 5 . 11–15 . 1986 . 1986QSRv....5...11H . 10.1016/0277-3791(86)90169-1 .
  10. Richmond, G.M. . Fullerton, D.S. . Summation of Quaternary glaciations in the United States of America . Quaternary Science Reviews . 5 . 183–196 . 1986 . 1986QSRv....5..183R . 10.1016/0277-3791(86)90184-8 .