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单词 Cromerian
释义

Cromerian

/krəʊˈmɪərɪən /
adjective Geology
1Relating to or denoting an interglacial period in the Middle Pleistocene of Britain and northern Europe, preceding the Elster (Anglian) glaciation.Preceding and separating the cold glacial periods were three main interglacials (Cromerian, Hoxnian, and Ipswichian) when the climate was rather warmer....
  • The length of this Middle Pleistocene stage is still unclear, but the sediments indicate that the Cromerian period was characterised by flucutuations between cold and temperate climates.
  • The site in which it was collected is the type site for the Cromerian interglacial period and is a prehistoric river bed that existed over 500,000 years ago in north Norfolk, England.
1.1 (as noun the Cromerian) The Cromerian interglacial period or the system of fossil-rich deposits laid down during it.

Origin

Early 20th century: from Cromer, in Norfolk, site of an outcrop of fossil-rich deposits from this period, + -ian.

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更新时间:2025/1/24 5:36:16