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Monechi, Simonetta; Thierstein, Hans R (1985): Late Cretaceous to Eocene calcareous nannofossil distribution near Gubbio, Italy [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.690642, Supplement to: Monechi, S; Thierstein, HR (1985): Late Cretaceous-Eocene nannofossil and magnetostratigraphic correlations near Gubbio, Italy. Marine Micropaleontology, 9(5), 419-440, https://doi.org/10.1016/0377-8398(85)90009-X

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Abstract:
Using a modified sample preparation technique, we have been able to establish a detailed lower Campanian to upper Eocene nannofossil stratigraphy in the Bottaccione and Contessa Highway sections near Gubbio. Appearance and extinction levels of virtually all the commonly used calcareous nannofossil zonal markers have been recognized and can now be closely correlated with the planktonic foraminifera zonation and the magnetic reversal stratigraphy previously established in these sections. Comparisons with the nannofossil calibrations of the oceanic magnetic anomaly sequence in Deep Sea Drilling Project (DSDP) sites suggest that magmetic Subchrons C17N and C25N are missing in the Bottaccione section. The observed variability of the relative stratigraphic position of most plankton events is confirmed to less than one magnetic subchron. Absolute abundance, paleobiogeographic restriction, and differential preservation render some of the traditionally used biostratigraphic events less reliable than others.
Coverage:
Median Latitude: 43.369403 * Median Longitude: 12.577611 * South-bound Latitude: 43.366083 * West-bound Longitude: 12.561778 * North-bound Latitude: 43.379361 * East-bound Longitude: 12.582889
Event(s):
Bottaccione * Latitude: 43.366083 * Longitude: 12.582889 * Location: Italy * Method/Device: Geological sample (GEOS)
Contessa * Latitude: 43.379361 * Longitude: 12.561778 * Location: Italy * Method/Device: Geological sample (GEOS)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 datasets

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Datasets listed in this publication series

  1. Monechi, S; Thierstein, HR (1985): (Fig. 3) Stratigraphic distribution of upper Cretaceous calcareous nannofossils in the Bottaccione section, Italy. https://doi.org/10.1594/PANGAEA.690633
  2. Monechi, S; Thierstein, HR (1985): (Fig. 4) Stratigraphic distribution of lower Paleogene calcareous nannofossils in the Bottaccione section, Italy. https://doi.org/10.1594/PANGAEA.690634
  3. Monechi, S; Thierstein, HR (1985): (Fig. 5) Stratigraphic distribution of middle Paleogene calcareous nannofossils in the Bottaccione section, Italy. https://doi.org/10.1594/PANGAEA.690638
  4. Monechi, S; Thierstein, HR (1985): (Fig. 7) Stratigraphic distribution of Paleogene calcareous nannofossils in the Contessa Highway section, Italy. https://doi.org/10.1594/PANGAEA.690641