A new Middle Pleistocene interglacial occurrence from Ejby, Sjælland, Denmark

Ole Bennike, Peter Wiberg-Larsen

Research output: Contribution to journalArticleResearchpeer-review


Despite more than a century of investigations, parts of the Quaternary stratigraphy of Denmark with their fragmented record of deposits remain ambiguous. Here we describe a newly found interglacial clay deposit from Ejby on Sjælland, Denmark, from a borehole at 55.695°N, 11.839°E (terrain elevation 5.7 m above sea level). We place the new occurrence on record and provide details of the macrofossil analysis of the sample. The clay contains remains of the present-day temperate bivalve Corbicula fluminalis and the caddis fly Hydropsyche contubernalis – both inhabiting rivers. The presence of C. fluminalis indicates that the deposit most probably is of Middle Pleistocene age, older than the last interglacial, the Eemian.

Original languageEnglish
Article number8294
Number of pages5
JournalGEUS Bulletin
Publication statusPublished - 2022


  • Denmark
  • Interglacial
  • Middle Pleistocene
  • Quaternary
  • River macroinvertebrates

Programme Area

  • Programme Area 2: Water Resources


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