Omnipresent authigenic calcite distorts arctic radiocarbon chronology

HIGHLIGHTS

  • who: Jutta Erika Wollenburg from the Centre University of have published the article: Omnipresent authigenic calcite distorts Arctic radiocarbon chronology, in the Journal: (JOURNAL) of 18/05/2022
  • what: The authors provide the first comprehensive documentation on the late Pleistocene to Holocene preservation state of the dominant (>90%) calcareous planktonic foraminifera Neogloboquadrina pachyderma used both for establishing a chronology and palaeoceanographic change in the Ocean5 27 28.

SUMMARY

    Whereas the biologically precipitated pristine shell in crosssection appears rather solid, and especially in the secondary calcite crust mesocrystals are radially aligned (Fig . . .

     

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