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Nishimura, Akiko (1987): Cenozoic radiolaria in the western North Atlantic. PANGAEA, https://doi.org/10.1594/PANGAEA.793278, Supplement to: Nishimura, A (1987): Cenozoic radiolaria in the western North Atlantic, Site 603, Leg 93 of the Deep Sea Drilling Project. In: van Hinte, JE; Wise, SW Jr; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 93, 713-737, https://doi.org/10.2973/dsdp.proc.93.120.1987

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Abstract:
Eight Cenozoic radiolarian zones were recognized in samples from two holes at Site 603, drilled on the lower continental rise off North America during Leg 93 of the Deep Sea Drilling Project. Paleocene to early Eocene radiolarian zones (Bekoma bidartensis, Buryella clinata, and Phormocyrtis striata striata zones) and early to late Miocene radiolarian zones (Calocycletta costata, Dorcadospyris alata, Diartus petterssoni, and Didymocyrtis antepenultima zones) were recognized in sediments from Holes 603 and 603B. In addition, a new Paleocene Bekoma campechensis radiolarian Zone is defined by the interval between the first morphotypic appearance of B. campechensis and the B. campechensis-B. bidartensis evolutionary transition. This zone is immediately below the B. bidartensis Zone of Foreman (1973), and has previously been discussed as a Paleocene "unnamed zone" by other investigators. A hiatus between Neogene and Paleogene sequences was also recognized in the radiolarian faunas.
Related to:
DSDP (1989): Data from the Deep Sea Drilling Project. Sediment, hard rock and reference files. National Geophysical Data Center, National Environmental Satellite, Data and Information Service, National Oceanic and Atmospheric Administration, U.S. Department of Commerce, 1, CD-ROM
Project(s):
Coverage:
Median Latitude: 35.494900 * Median Longitude: -70.028433 * South-bound Latitude: 35.494300 * West-bound Longitude: -70.028500 * North-bound Latitude: 35.495200 * East-bound Longitude: -70.028300
Date/Time Start: 1983-05-05T00:00:00 * Date/Time End: 1983-05-05T00:00:00
Size:
3 datasets

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Datasets listed in this publication series

  1. Nishimura, A (2005): (Table 1) Neogene radiolarians in DSDP Hole 93-603. https://doi.org/10.1594/PANGAEA.250735
  2. Nishimura, A (1987): (Table 2) Neogene radiolarians in DSDP Hole 93-603B. https://doi.org/10.1594/PANGAEA.250736
  3. Nishimura, A (1987): (Table 3) Paleogene radiolarians in DSDP Hole 93-603B. https://doi.org/10.1594/PANGAEA.793277