Baldauf, Jack G; Monjanel, Anne-Lise (1989): Oligocene diatom biostratigraphy for the Labrador Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.745250, Supplement to: Baldauf, JG; Monjanel, A-L (1989): An Oligocene diatom biostratigraphy for the Labrador Sea: DSDP Site 112 and ODP Hole 647A. In: Srivastava, SP; Arthur, M; Clement, B; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 105, 323-347, https://doi.org/10.2973/odp.proc.sr.105.129.1989
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Abstract:
The Oligocene diatom assemblage observed in samples from Hole 647A consists of a mixture of species characteristic of the low latitudes, the high southern latitudes, and the Norwegian-Greenland Sea. This diverse and well-preserved diatom assemblage allows a diatom stratigraphy to be established for the Labrador Sea and to be correlated with previously established diatom zonations. Changes in the composition of the diatom assemblage from warm-temperate to temperate species suggest a change in oceanographic conditions in the Labrador Sea during the early Oligocene.
Project(s):
Deep Sea Drilling Project (DSDP)
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 53.674000 * Median Longitude: -45.933000 * South-bound Latitude: 53.331300 * West-bound Longitude: -46.604000 * North-bound Latitude: 54.016700 * East-bound Longitude: -45.262000
Date/Time Start: 1970-06-29T00:00:00 * Date/Time End: 1985-10-23T18:15:00
Event(s):
12-112 * Latitude: 54.016700 * Longitude: -46.604000 * Date/Time: 1970-06-29T00:00:00 * Elevation: -3657.0 m * Penetration: 664 m * Recovery: 75.1 m * Location: North Atlantic * Campaign: Leg12 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 17 cores; 201 m cored; 0 m drilled; 37.4 % recovery
105-647A * Latitude: 53.331300 * Longitude: -45.262000 * Date/Time Start: 1985-10-15T04:10:00 * Date/Time End: 1985-10-23T18:15:00 * Elevation: -3869.0 m * Penetration: 736 m * Recovery: 444.6 m * Location: South Atlantic Ocean * Campaign: Leg105 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 75 cores; 716.6 m cored; 0 m drilled; 62 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
Download Data
Datasets listed in this publication series
- Baldauf, JG; Monjanel, A-L (1989): (Table 2) Stratigraphic occurrence of selected diatom species from DSDP Hole 12-112. https://doi.org/10.1594/PANGAEA.745249
- Baldauf, JG; Monjanel, A-L (1989): (Table 1) Stratigraphic occurrence of selected diatom species from ODP Hole 105-647A. https://doi.org/10.1594/PANGAEA.745248