Lazarus, David B (1990): Middle Miocene to Recent radiolarians from the Weddell Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.753391, Supplement to: Lazarus, DB (1990): Middle Miocene to Recent Radiolarians from the Weddell Sea, Antarctica, ODP Leg 113. In: Barker, PF; Kennett, JP; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 113, 709-727, https://doi.org/10.2973/odp.proc.sr.113.132.1990
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Abstract:
Well preserved middle Miocene to Recent radiolarians were recovered from several sites in the Weddell Sea by ODP (Ocean Drilling Program) Leg 113. Low rates of sedimentation, hiatuses, and poor core recovery in some sites are offset by the nearly complete recovery of a late middle Miocene to late Pliocene section at Site 689 on the Maud Rise. Although a hiatus within the latest Miocene exists, this site still provides an excellent reference section for Antarctic biostratigraphy. A detailed radiolarian stratigraphy for the middle Miocene to late Pliocene of Site 689 is given, together with supplemental stratigraphic data from ODP Leg 113 Sites 690, 693, 695, 696, and 697. A refined Antarctic zonation for the middle Miocene to Recent is presented, based on the previous zonations of Hays (1965), Chen (1975), Weaver (1976b), and Keany (1979). The late Miocene radiolarian Acrosphaera australis n. sp. is described and used to define the A. australis zone, ranging from the first appearance of the nominate species to the last appearance of Cycladophora spongothorax (Chen) Lombari and Lazarus 1988. The species Botryopera deflandrei Petrushevskaya 1975 is transferred to Antarctissa deflandrei (Petrushevskaya) n. comb.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -66.836667 * Median Longitude: -3.422900 * South-bound Latitude: -70.832000 * West-bound Longitude: -14.573500 * North-bound Latitude: -64.517000 * East-bound Longitude: 3.099900
Date/Time Start: 1987-01-16T08:00:00 * Date/Time End: 1987-02-05T03:15:00
Event(s):
113-689B * Latitude: -64.517000 * Longitude: 3.099900 * Date/Time Start: 1987-01-16T08:00:00 * Date/Time End: 1987-01-18T06:45:00 * Elevation: -2091.0 m * Penetration: 297.3 m * Recovery: 229.45 m * Location: South Atlantic Ocean * Campaign: Leg113 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 33 cores; 297.3 m cored; 0 m drilled; 77.2 % recovery
113-690B * Latitude: -65.161000 * Longitude: 1.204900 * Date/Time Start: 1987-01-20T03:15:00 * Date/Time End: 1987-01-21T07:00:00 * Elevation: -2925.0 m * Penetration: 213.4 m * Recovery: 214.75 m * Location: South Atlantic Ocean * Campaign: Leg113 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 25 cores; 213.4 m cored; 0 m drilled; 100.6 % recovery
113-693A * Latitude: -70.832000 * Longitude: -14.573500 * Date/Time Start: 1987-01-30T09:00:00 * Date/Time End: 1987-02-05T03:15:00 * Elevation: -2371.0 m * Penetration: 483.9 m * Recovery: 213.58 m * Location: Weddell Sea * Campaign: Leg113 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 51 core; 483.9 m cored; 0 m drilled; 44.1 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets
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Datasets listed in this publication series
- Lazarus, DB (1990): (Table 2) Abundance of radiolarians and other siliceous microfossils of ODP Hole 113-689B. https://doi.org/10.1594/PANGAEA.753388
- Lazarus, DB (1990): (Table 3) Abundance of radiolarians and other siliceous microfossils of ODP Hole 113-690B. https://doi.org/10.1594/PANGAEA.753389
- Lazarus, DB (1990): (Table 4) Abundance of radiolarians and other siliceous microfossils of ODP Hole 113-693A. https://doi.org/10.1594/PANGAEA.753390