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Weinholz, Peter; Lutze, Gerhard F (1989): Benthic foraminifera extinction at the base of the Brunhes Chronozone at ODP Holes 108-658A and 108-659A. PANGAEA, https://doi.org/10.1594/PANGAEA.746204, Supplement to: Weinholz, P; Lutze, GF (1989): The stilostomella extinction. In: Ruddiman, W; Sarnthein, M; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 108, 113-117, https://doi.org/10.2973/odp.proc.sr.108.176.1989

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Abstract:
A faunal boundary found at the base of the Brunhes Chronozone at Sites 658 and 659 confirms previous observations from several locations in the Atlantic Ocean and may be classified as a supraregional "extinction event". Several benthic foraminifer species typical of the Pliocene disappear near the Brunhes/Matuyama boundary, thus marking the upper limit of a faunal zone (faunal unit). Improved chronological dating indicates that the disappearance of these species occurs over a period of about 100,000 yr.
Project(s):
Coverage:
Median Latitude: 19.413200 * Median Longitude: -19.803500 * South-bound Latitude: 18.077200 * West-bound Longitude: -21.026200 * North-bound Latitude: 20.749200 * East-bound Longitude: -18.580800
Date/Time Start: 1986-03-04T15:15:00 * Date/Time End: 1986-03-11T05:30:00
Event(s):
108-658A * Latitude: 20.749200 * Longitude: -18.580800 * Date/Time Start: 1986-03-04T15:15:00 * Date/Time End: 1986-03-07T01:15:00 * Elevation: -2274.0 m * Penetration: 300.4 m * Recovery: 294.98 m * Location: Canarias Sea * Campaign: Leg108 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 33 cores; 300.4 m cored; 0 m drilled; 98.2 % recovery
108-659A * Latitude: 18.077200 * Longitude: -21.026200 * Date/Time Start: 1986-03-09T09:30:00 * Date/Time End: 1986-03-11T05:30:00 * Elevation: -3082.0 m * Penetration: 273.8 m * Recovery: 174.95 m * Location: North Atlantic Ocean * Campaign: Leg108 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 29 cores; 273.8 m cored; 0 m drilled; 63.9 % recovery
Size:
2 datasets

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