Anglian stage
| Anglian | |
|---|---|
| Usage information | |
| Celestial body | Earth |
| Regional usage | Regional |
| Time scale(s) used | British Isles |
| Used by | United Kingdom United Kingdom |
| Definition | |
| Chronological unit | Age |
| Stratigraphic 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
[edit | edit source]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
[edit | edit source]See also
[edit | edit source]- Pleistocene, which covers:
| Region | Glacial 1 | Glacial 2 | Glacial 3 | Glacial 4 |
|---|---|---|---|---|
| Alps | Günz | Mindel | Riss | Würm |
| North Europe | Eburonian | Elsterian | Saalian | Weichselian |
| British Isles | Beestonian | Anglian | Wolstonian | Devensian |
| Midwest U.S. | Nebraskan | Kansan | Illinoian | Wisconsinan |
| Region | Interglacial 1 | Interglacial 2 | Interglacial 3 |
|---|---|---|---|
| Alps | Günz-Mindel | Mindel-Riss | Riss-Würm |
| North Europe | Waalian | Holsteinian | Eemian |
| British Isles | Cromerian | Hoxnian | Ipswichian |
| Midwest U.S. | Aftonian | Yarmouthian | Sangamonian |
References
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- ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lisiecki, L.E. (2005) Ages of MIS boundaries. LR04 Benthic Stack Boston MA:Boston University
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Böse et al. (2012), Quaternary Glaciations of Northern Europe, Quaternary Science Reviews 44, page 17-22.
- ^ Scourse, JD (ed) (2006) The Isles of Scilly: Field Guide. Quaternary Research Association, London, 2006.
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Further reading
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External links
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- Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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- Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value). (Includes PDF file of map)
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- Shotton, F.W., nd, East Anglia and the English Midlands. Ice Age Britain., The Shotton Project, University of Birmingham, Birmingham, England.