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Bibliographic Details
Main Authors: Volz, Jessica B, Lange, Mirko, Koehler, Dennis, Geibert, Walter, Stimac, Ingrid, Kasten, Sabine
Format: Dataset Open Access
Language:en
Published: PANGAEA 2026
Subjects:
Area/locality; AWI_MarGeoChem; Clarion-Clipperton Fraction Zone, North East Pacific Ocean; Clarion Clipperton Fracture Zone; Core; deep sea mining; deep sea sediment; DEPTH, sediment/rock; Geochemical data; ICP-SF-MS, Thermo Scientific, Element 2; JPI Oceans - Ecological Aspects of Deep-Sea Mining; JPIO-MiningImpact; Marine Geochemistry @ AWI; MUC; MUC-14; MultiCorer; Salt-corrected; SO268/1; SO268/1_65-1; Sonne_2; Station label; Thorium-230; Thorium-230, error; Thorium-230, supported; Thorium-230 excess; Thorium-230 excess, error; Thorium-232; Thorium-232, error; Uranium-234; Uranium-234, error; Uranium-235; Uranium-235, error; Uranium-238; Uranium-238, error
Online Access:https://doi.org/10.1594/PANGAEA.944009
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Table of Contents:
  • This baseline dataset comprises downcore measurements of the activity of different radionuclides for a sediment core (MUC) retrieved in the framework of the European collaborative JPI Oceans MiningImpact project onboard R/V SONNE cruise SO268 in 2019. The scientific work during cruise SO268 was part of the second phase of the MiningImpact project (Environmental impacts and risks of deep-sea mining) and is designed to assess the environmental impacts of deep-sea mining of polymetallic nodules in the Clarion-Clipperton Zone (CCZ) in the Pacific Ocean. After performing total acid digestions, the sediments were analyzed by isotope dilution using ICP-SF-MS (Element2, Thermo Scientific) for the determination of radionuclides at the Marine Geochemistry Lab, Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven.

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