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Radionova, E P (1991): Distribution of diatoms in Oligocene to Pleistocene sediments of the tropical Pacific [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.758425, Supplement to: Radionova, EP (1991): Stratigraphy of Neogene sediments in a tropical area of the Pacific Ocean based on diatoms. Transactions of the Geological Institute, USSR Academy of Sciences, 456, 109 pp

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Abstract:
According to the drilling probes of the Deep Waier Drilling Project, Neogene sediments in a tropical area of the Pacific Ocean are divided into 15 zones based on diatoms. The author shows that a unique zonation may be applied for the entire region. Identification of diatoms zones boundaries was conducted through their direct correlation with nannoplancton, radiolarian and foraminiferal zonal sceals. Their ultra-structure and morphological relationship are being analysed. The mode of siliceous accumulation within the equatorial belt differed through the western central and eastern region since the early Miocene and the difference become more evident from the end of Middle Miocene. The distribution of Neogene diatomaceous silt in the tropical area is controlled by the character of gyre-water circulation and agrees with the modern geographical zonation.
Project(s):
Archive of Ocean Data (ARCOD)
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: 9.079700 * Median Longitude: -177.552160 * South-bound Latitude: 0.835500 * West-bound Longitude: 147.889800 * North-bound Latitude: 33.926000 * East-bound Longitude: -135.036000
Date/Time Start: 1969-08-23T00:00:00 * Date/Time End: 1982-05-27T00:00:00
Event(s):
7-63B * Latitude: 0.835500 * Longitude: 147.889800 * Date/Time: 1969-08-23T00:00:00 * Elevation: -4486.0 m * Penetration: 39 m * Recovery: 21 m * Location: North Pacific/BASIN * Campaign: Leg7 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 3 cores; 28 m cored; 0 m drilled; 75 % recovery
7-66 * Latitude: 2.393500 * Longitude: -166.121800 * Date/Time: 1969-09-19T00:00:00 * Elevation: -5310.0 m * Penetration: 193 m * Recovery: 48.8 m * Location: North Pacific/BASIN * Campaign: Leg7 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 11 cores; 72 m cored; 0 m drilled; 67.7 % recovery
85-575 * Latitude: 5.850000 * Longitude: -135.036000 * Date/Time: 1982-04-21T00:00:00 * Elevation: -4536.0 m * Penetration: 98.6 m * Recovery: 99.4 m * Location: North Pacific/FLANK * Campaign: Leg85 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 11 cores; 98.6 m cored; 0 m drilled; 100.8 % 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. Radionova, EP (1991): (Table 7) Distribution of diatoms in Miocene sediments of DSDP Hole 7-63B. https://doi.org/10.1594/PANGAEA.758422
  2. Radionova, EP (1991): (Table 5) Distribution of diatoms in Oligocene to early Miocene sediments of DSDP Hole 7-66. https://doi.org/10.1594/PANGAEA.758420
  3. Radionova, EP (1991): (Table 6) Distribution of diatoms in Miocene to Pleistocene sediments of DSDP Hole 7-66. https://doi.org/10.1594/PANGAEA.758421
  4. Radionova, EP (1991): (Table 8) Distribution of diatoms in Miocene to Pleistocene sediments of DSDP Hole 85-575. https://doi.org/10.1594/PANGAEA.758423
  5. Radionova, EP (1991): (Table 9) Distribution of selected diatoms in Miocene to Pleistocene sediments of DSDP Hole 86-578. https://doi.org/10.1594/PANGAEA.758424