Citation:

PANGAEA.758911, Supplement to: Dekov, VM; Kuptsov, VM (1990): Rates of accumulation of metal-bearing sediments on the East Pacific Rise (20°S). Oceanology, 30(3), 321-324

Name: Ages and sedimentation rates of bottom sediments from the south arid zone of the Pacific Ocean
Published: 1990
License: https://creativecommons.org/licenses/by/3.0/

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Published: 1990 (exact date unknown) • DOI registered: 2011-05-02

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Abstract:

Radiocarbon datings are used to calculate mean sedimentation rates of metalliferous sediments in the southern arid zone of the Pacific Ocean adjoining the axis of the East Pacific rise (20°S). Owing to low sedimentation rates and intense mixing, only averaged figures could be obtained for ages less than 16 ky. Sedimentation rate varies from 0.3 to about 1 cm/1000 years in the surface layer and is several times higher in the time interval from 20 ky to 45 ky ago. Formulas for calculating mean sedimentation rates with allowance for benthic mixing are presented.

Project(s):

Archive of Ocean Data (ARCOD)

Coverage:

Median Latitude: -21.274685 * Median Longitude: -108.800434 * South-bound Latitude: -22.080000 * West-bound Longitude: -114.763300 * North-bound Latitude: -20.000000 * East-bound Longitude: -80.783300

Event(s):

DM14-1021 * Latitude: -20.000000 * Longitude: -94.216700 * Elevation: -3750.0 m * Location: Southeast Pacific * Campaign: * Basis: Dmitry Mendeleev * Method/Device: Grab (GRAB)

DM14-1028 * Latitude: -21.250000 * Longitude: -80.783300 * Elevation: -3860.0 m * Location: Southeast Pacific * Campaign: * Basis: Dmitry Mendeleev * Method/Device: Grab (GRAB)

GF4-87 * Latitude: -21.698333 * Longitude: -114.723333 * Elevation: -3220.0 m * Location: Southeast Pacific * Campaign: * Basis: Geolog Fersman * Method/Device: Box corer (BC)

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

2 datasets

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Datasets listed in this publication series

Dekov, VM; Kuptsov, VM (1990): (Table 1) Radiocarbon ages of bottom sediments from the south arid zone of the Pacific Ocean. https://doi.org/10.1594/PANGAEA.758909
Dekov, VM; Kuptsov, VM (1990): (Table 2) Sedimentation rates for certain core intervals and corresponding radiocarbon ages, axial zone of the East Pacific Rise. https://doi.org/10.1594/PANGAEA.758910