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Anglian stage

From Wikipedia, the free encyclopedia
(Redirected fromMIS 12)
Period of the Pleistocene epoch
Anglian
0.478 – 0.424Ma
Usage information
Celestial bodyEarth
Regional usageRegional
Time scale(s) usedBritish Isles
Used byUnited KingdomUnited Kingdom
Definition
Chronological unitAge
Stratigraphic unitStage

TheAnglian Stage is the name used in theBritish Isles for a middlePleistocene glaciation. It precedes theHoxnian Stage and follows theCromerian Stage in the British Isles. It correlates toMarine 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

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The Anglian stage has often been correlated to theElsterian Stage of northern Continental Europe and theMindel Stage in theAlps.[6]

The Anglian was the most extremeglaciation 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 thesouth-east of England it diverted theRiver Thames from its old course through the Vale ofSt Albans south to its present position.[8]

This stage had been equated to the Kansan Stage inNorth America. The stage names "Kansan", "Yarmouth", "Nebraskan" and "Aftonian" were later abandoned by North AmericanQuaternary geologists and merged into thePre-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

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See also

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

References

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  1. ^McMillan, A.A. (2005)."A provisional Quaternary and Neogene lithostratigraphic framework Great Britain".Netherland Journal of Geosciences.84 (2):87–107.doi:10.1017/S0016774600022988.
  2. ^Walker, M. (2005).Quaternary Dating Methods. Chichester UK: Wiley.ISBN 0-470-86927-5.
  3. ^abGibbard, P.L.; Boreham, S.; Cohen, K.M.; Moscariello, A. (2007)."Global chronostratigraphical correlation table for the last 2.7 million years". Cambridge UK: Subcommission on Quaternary Stratigraphy, Department of Geography, University of Cambridge. Archived fromthe original(JPG 844 kb) on 2008-09-10.
  4. ^Lisiecki, L.E. (2005)Ages of MIS boundaries.LR04 Benthic Stack Boston MA:Boston University
  5. ^Lisiecki, L.E.;Raymo, M.E. (2005)."A Pliocene-Pleistocene stack of 57 globally distributed benthic d18O records"(PDF).Paleoceanography.20: PA1003.Bibcode:2005PalOc..20.1003L.doi:10.1029/2004PA001071.hdl:2027.42/149224.S2CID 12788441.
  6. ^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. ^"Greater London". Natural England. Archived fromthe original on 5 June 2014. Retrieved28 March 2013.
  9. ^Hallberg, G.R. (1986). "Pre-Wisconsin glacial stratigraphy of the Central Plains region in Iowa, Nebraska, Kansas, and Missouri".Quaternary Science Reviews.5:11–15.Bibcode:1986QSRv....5...11H.doi:10.1016/0277-3791(86)90169-1.
  10. ^abRichmond, G.M.; Fullerton, D.S. (1986). "Summation of Quaternary glaciations in the United States of America".Quaternary Science Reviews.5:183–196.Bibcode:1986QSRv....5..183R.doi:10.1016/0277-3791(86)90184-8.

Further reading

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External links

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Quaternary /
Late Cenozoic
Quaternary
Pliocene
Miocene
Oligocene
Paleozoic
Ediacaran
Cryogenian-Snowball Earth
Paleoproterozoic
Mesoarchean
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