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Vaschenkova, N G; Terekhov, E P; Tsoy, Ira B (2006): Results of micropaleontological examination and age of dredge samples collected from the lower slopes of the Kuril Basin, Sea of Okhotsk [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.726472, Supplement to: Vaschenkova, NG et al. (2006): Matter composition and formation conditions of the Pliocene-Pleistocene sediments in the Kuril Basin (Sea of Okhotsk). Oceanology, 46(5), 692-701, https://doi.org/10.1134/S0001437006050092

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Abstract:
An integrated (petrographical and micropaleontological) study of sedimentary cover samples dredged from the lower slopes of the Kuril deep-sea basin was carried out. Pliocene-Pleistocene sediments are mainly represented by tuffaceous sedimentary rocks (tuffites, tuffaceous muds, tuffaceous diatomites, tuffaceous silts, tuffaceous sandstones, etc.). Significant admixtures of pyroclastic matter, especially of volcanic glasses, indicates that sedimentation process was accompanied by explosive volcanism. The data obtained give evidence about intensification of tectonomagmatic regime within the region under study during Pliocene-Pleistocene time. By the beginning of Pliocene, a deep-sea basin with a well-manifested continental and/or island slope and a narrow shelf already existed. Pliocene-Pleistocene deposits accumulated in a cold well-aerated deep-sea basin under oxic conditions and downslope sediment transport.
Project(s):
Archive of Ocean Data (ARCOD)
Coverage:
Median Latitude: 47.357005 * Median Longitude: 148.262005 * South-bound Latitude: 45.561667 * West-bound Longitude: 144.853333 * North-bound Latitude: 48.781000 * East-bound Longitude: 151.950167
Date/Time Start: 1996-10-01T00:00:00 * Date/Time End: 2002-07-28T09:55:00
Event(s):
LV27-16-1 * Latitude: 48.781000 * Longitude: 151.950167 * Date/Time: 1996-10-01T00:00:00 * Elevation: -2455.0 m * Location: Sea of Okhotsk * Campaign: LV27/GREGORY * Basis: Akademik M.A. Lavrentiev * Method/Device: Dredge (DRG)
LV29-119-2 * Latitude Start: 47.010933 * Longitude Start: 150.238500 * Latitude End: 46.989467 * Longitude End: 150.205800 * Date/Time Start: 2002-07-21T23:43:00 * Date/Time End: 2002-07-21T02:37:00 * Elevation Start: -3147.0 m * Elevation End: -2274.0 m * Location: Kurile Basin * Campaign: LV29-2 (KOMEX II) * Basis: Akademik M.A. Lavrentiev * Method/Device: Dredge, chain bag (DRG_C) * Comment: Well- rounded dropstones incl. blocks up to 60x40 cm size. Dropstones comprise, among others, granitic and various volcanic rocks. Apart from dropstones, the dredge contained sponges etc.
LV29-119-3 * Latitude Start: 46.976083 * Longitude Start: 150.169983 * Latitude End: 46.982267 * Longitude End: 150.156400 * Date/Time Start: 2002-07-22T04:46:00 * Date/Time End: 2002-07-22T06:50:00 * Elevation Start: -2590.0 m * Elevation End: -2570.0 m * Location: Kurile Basin * Campaign: LV29-2 (KOMEX II) * Basis: Akademik M.A. Lavrentiev * Method/Device: Dredge, chain bag (DRG_C) * Comment: Dredging yielded some rocks, mainly lithified sediments (partly bedded) with lava clasts up to 10x10 cm (possibly volcanic clastic sediment). Dredge stucked: vessel turned and returned to the beginning point of the dredge track for freeing dredge.
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 datasets

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Datasets listed in this publication series

  1. Vaschenkova, NG; Terekhov, EP; Tsoy, IB (2006): (Table 1) Results of micropaleontological examination and age of dredge samples collected in Cruise 27 of R/V “Akademik M. Lavrent'ev”, 1996. https://doi.org/10.1594/PANGAEA.726468
  2. Vaschenkova, NG; Terekhov, EP; Tsoy, IB (2006): (Table 1) Results of micropaleontological examination and age of dredge samples collected in Cruise 29 of R/V “Akademik M. Lavrent'ev”, 2002. https://doi.org/10.1594/PANGAEA.726469
  3. Vaschenkova, NG; Terekhov, EP; Tsoy, IB (2006): (Table 1) Results of micropaleontological examination and age of dredge samples collected in Cruise 37 of R/V “Pervenets”, 1981. https://doi.org/10.1594/PANGAEA.726470
  4. Vaschenkova, NG; Terekhov, EP; Tsoy, IB (2006): (Table 1) Results of micropaleontological examination and age of dredge samples collected in Cruise 39 of R/V “Pervenets”, 1982. https://doi.org/10.1594/PANGAEA.726471