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Sloan, Jon R (1980): Radiolarians at DSDP Leg 58 Holes [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.821279, Supplement to: Sloan, JR (1980): Radiolarians from sediments of the Philippine Sea, Deep Sea Drilling Project Leg 58. In: deVries Klein, G; Kobayashi, K; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 58, 587-595, https://doi.org/10.2973/dsdp.proc.58.109.1980

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Abstract:
Radiolarians were observed at all five sites drilled during DSDP Leg 58. Three sites (442, 443, 444) are south of Japan in the Shikoku Basin. The remaining two sites (445, 446) are east of Okinawa, in the Daito Ridge and Basin areas.
The observations made on radiolarians during Leg 58 are understood best by considering these two areas separately. The basement ages, preservation, diagenesis, and paleoecology are similar within each area, but different between the two areas.
The radiolarian zones of Riedel and Sanfilippo (1978) were used to determine the sediment age. Because of the mixed nature of the fauna, there was an opportunity to test the tropical zonation in middlelatitude sediments.
A middle- to high-latitude biostratigraphy for the Pliocene and Pleistocene has been formulated (Hays, 1970; Kling, 1973; Foreman, 1975), but there is no Miocene radiolarian zonation for these latitudes. The tropical elements of the present fauna are sufficient to use the low-latitude zonation, although there is a loss of resolution in the Pleistocene. Because of poor preservation, zone boundaries are indistinct in much of the cored sediment.
Determination of abundance in any sample is always subjective and varies among investigators. This work was in its final stages at the publication of Westberg and Riedel (1978), and the guidelines outlined therein are not closely followed.
The abundances recorded in Tables 1 through 5 are based on strewn slides which were searched entirely if an individual of a species was found, or for 8 to 10 minutes if the species was not found.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 27.434340 * Median Longitude: 135.432900 * South-bound Latitude: 24.700700 * West-bound Longitude: 132.774800 * North-bound Latitude: 29.327500 * East-bound Longitude: 137.683800
Date/Time Start: 1977-12-12T00:00:00 * Date/Time End: 1978-01-18T00:00:00
Event(s):
58-442 * Latitude: 28.983300 * Longitude: 136.057200 * Date/Time: 1977-12-12T00:00:00 * Elevation: -4639.0 m * Penetration: 0.5 m * Recovery: 0.1 m * Location: North Pacific/BASIN * Campaign: Leg58 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 1 cores; 0.5 m cored; 0 m drilled; 20 % recovery
58-442A * Latitude: 28.983300 * Longitude: 136.057200 * Date/Time: 1977-12-12T00:00:00 * Elevation: -4639.0 m * Penetration: 313.5 m * Recovery: 153.7 m * Location: North Pacific/BASIN * Campaign: Leg58 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 33 cores; 304 m cored; 9.5 m drilled; 50.6 % recovery
58-443 * Latitude: 29.327500 * Longitude: 137.440500 * Date/Time: 1977-12-28T00:00:00 * Elevation: -4372.0 m * Penetration: 581.5 m * Recovery: 300 m * Location: North Pacific/BASIN * Campaign: Leg58 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 64 cores; 581.5 m cored; 0 m drilled; 51.6 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
5 datasets

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Datasets listed in this publication series

  1. Sloan, JR (1980): (Table 1) Radiolarians at DSDP Site 58-442. https://doi.org/10.1594/PANGAEA.821273
  2. Sloan, JR (1980): (Table 2) Radiolarians at DSDP Hole 58-443. https://doi.org/10.1594/PANGAEA.821274
  3. Sloan, JR (1980): (Table 3) Radiolarians at DSDP Site 58-444. https://doi.org/10.1594/PANGAEA.821276
  4. Sloan, JR (1980): (Table 4) Radiolarians at DSDP Hole 58-445. https://doi.org/10.1594/PANGAEA.821277
  5. Sloan, JR (1980): (Table 5) Radiolarians at DSDP Hole 58-446. https://doi.org/10.1594/PANGAEA.821278