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A Late Ordovician age for the Whirlpool and Power Glen formations, New York
Schröer, L.; Vandenbroucke, T.R.A.; Hints, O.; Steeman, T.; Verniers, J.; Brett, C.E.; Cramer, B.D.; McLaughlin, P.I. (2016). A Late Ordovician age for the Whirlpool and Power Glen formations, New York. Can. J. Earth Sci. = J. Can. Sci. Terre 53(7): 739-747.
In: Canadian Journal of Earth Sciences = Journal Canadien des Sciences de la Terre. National Research Council Canada: Ottawa. ISSN 0008-4077; e-ISSN 1480-3313, more
Peer reviewed article  

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Authors  Top 
  • Schröer, L., more
  • Vandenbroucke, T.R.A., more
  • Hints, O.
  • Steeman, T., more
  • Verniers, J., more
  • Brett, C.E.
  • Cramer, B.D.
  • McLaughlin, P.I.

    A restudy of the palynology of the Whirlpool Formation and Power Glen Formation in New York (USA) yielded a diverse fossil assemblage with cryptospores, glomalean fungi, acritarchs, chitinozoans, scolecodonts, and small carbonaceous fossils. These new data, and particularly the presence of the chitinozoan index fossil Hercochitina crickmayi, combined with emerging stable carbon isotope data, suggest a Late Ordovician (Katian or Hirnantian) age for these formations, which is older than their previously suggested Silurian (Rhuddanian) age.

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