Concept information
Preferred term
Cromerian
Definition
- The Cromerian Stage or Cromerian Complex, also called the Cromerian (German: Cromerium), is a stage in the Pleistocene glacial history of north-western Europe, mostly occurring more than half a million years ago. It is named after the East Anglian town of Cromer in Great Britain where interglacial deposits that accumulated during part of this stage were first discovered. The stratotype for this interglacial is the Cromer Forest Bed situated at the bottom of the coastal cliff near West Runton. The Cromerian stage preceded the Anglian and Elsterian glacials and show an absence of glacial deposits in western Europe, which led to the historical terms Cromerian interglacial and the Cromerian warm period (German: Kromer-Warmzeit). It is now known that the Cromerian consisted of multiple glacial and interglacial periods. The core of the Cromerian is the first half of the Middle Pleistocene stage (Ionian) approximately 800-500 ka ago, just before the Anglian glaciation. In terms of Marine isotope stages (MIS) this corresponds to MIS 19 to MIS 13. Some authors instead put the start at MIS 22, corresponding to a start 900 ka ago, which includes the last 100 ka of the Calabrian stage, after the Beestonian Stage. Some sources today correlate the Elster glaciation to MIS 10 instead of MIS 12, while keeping the Cromerian running up to the start of the Elsterian. The result is an end to the Cromerian stage in continental Europe at the end of MIS 11 (400 ka ago), and that the continental Cromerian continues beyond its end in Britain and Ireland and runs in parallel to the Anglian and Hoxnian Stages (MIS 12-11). Based on a lack of glacial evidence in Western Europe for the Middle Pleistocene (Ionian) before the Anglian glaciation, the Cromerian was originally thought to be a period without major glaciations. However, there is evidence for ice-rafting of material across the North Sea from this period. (Adapted from: https://en.wikipedia.org/wiki/Cromerian_Stage)
Broader concept
Entry terms
- Cromerian interglacial
- Cromerian interglaciation
- Cromerian interstade
- Cromerian interstadial
- Cromerian Stage
- Cromerian warm period
In other languages
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French
-
interglaciaire cromérien
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interglaciation cromérienne
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interglaciation du Cromérien
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interstade cromérien
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stade cromérien
URI
http://data.loterre.fr/ark:/67375/QX8-9TQ20XHS-8
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