Volz, Jessica B; Liu, Bo; Köster, Male; Henkel, Susann; Koschinsky, Andrea; Kasten, Sabine (2019): Leached contents of different Manganese and Iron mineral phases for sediment cores taken during SONNE cruise SO239 in the Clarion-Clipperton Zone (CCZ) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.904581, Supplement to: Volz, JB et al. (2020): Post-depositional manganese mobilization during the last glacial period in sediments of the eastern Clarion-Clipperton Zone, Pacific Ocean. Earth and Planetary Science Letters, 532, 116012, https://doi.org/10.1016/j.epsl.2019.116012
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Abstract:
This dataset comprises leached contents of different manganese and iron mineral phases from sediment cores, which were retrieved by a multiple corer (MUC) during RV SONNE expedition SO239 in 2015. During this cruise, different European contract areas for the exploration of polymetallic nodules in the area of the Clarion-Clipperton Zone (CCZ) were visited (BGR, IOM, GSR, IFREMER), which are currently being explored in light of potential future deep-sea mining. Furthermore, one of the protected Areas of Particular Environmental Interest (APEI), more precisely the APEI3 north of the CCZ, was visited.
For the extraction of various manganese and iron minerals, the extraction schemes after Koschinsky et al. (2001) and Poulton and Canfield (2005) were combined. The leached mineral phases comprise (1) carbonate-associated Mn and Fe (Mncarb; Fecarb), (2) easily reducible/mobilizable Mn- and Fe(oxyhydr)oxides (Mnmobil; Femobil), (3) easily reducible Fe oxides, such as ferrihydrite and lepidocrocite (Feox1) and associated Mn oxides (Mnox1), (4) reducible Fe oxides, such as goethite and hematite (Feox2) and associated Mn oxides (Mnox2) and (5) magnetite (Femag) and associated Mn oxides (Mnmag).
The dataset was produced in the laboratories of the Alfred Wegener Institute (AWI) Bremerhaven, Germany.
Project(s):
JPI Oceans - Ecological Aspects of Deep-Sea Mining (JPIO-MiningImpact)
Coverage:
Median Latitude: 13.638357 * Median Longitude: -123.731573 * South-bound Latitude: 11.078830 * West-bound Longitude: -130.138670 * North-bound Latitude: 18.791000 * East-bound Longitude: -117.058330
Date/Time Start: 2015-03-25T08:12:00 * Date/Time End: 2015-04-22T12:07:00
Minimum DEPTH, sediment/rock: 0.01 m * Maximum DEPTH, sediment/rock: 0.25 m
Event(s):
SO239_39-1 * Latitude: 11.841170 * Longitude: -117.058330 * Date/Time: 2015-03-25T08:12:00 * Elevation: -4137.0 m * Location: North Pacific Ocean * Campaign: SO239 * Basis: Sonne_2 * Method/Device: Multicorer with television (TVMUC)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Volz, Jessica B | |||
| 2 | Latitude of event | Latitude | Volz, Jessica B | |||
| 3 | Longitude of event | Longitude | Volz, Jessica B | |||
| 4 | Elevation of event | Elevation | m | Volz, Jessica B | ||
| 5 | Area/locality | Area | Volz, Jessica B | |||
| 6 | DEPTH, sediment/rock | Depth sed | m | Volz, Jessica B | Geocode | |
| 7 | Iron, acetate-leached | Fe-aca | % | Volz, Jessica B | Leaching after Poulton and Canfield (2005) | Fecarb: carbonate-associated iron, mainly siderite, ankerite (Fe(CO3)) |
| 8 | Manganese, acetate-leached | Mn-aca | % | Volz, Jessica B | Mncarb: carbonate-associated manganese; mainly rhodocrosite (Mn(CO3)) | |
| 9 | Iron, hydroxylamine-HCl-leached | Fe-hyam | % | Volz, Jessica B | 0.1M; Femobil: mobilizable Fe(oxyhydr)oxides | |
| 10 | Manganese, hydroxylamine-HCl-leached | Mn-hyam | % | Volz, Jessica B | Leaching after Koschinsky et al. (2001) | 0.1M; Mnmobil: mobilizable Mn(oxyhydr)oxides |
| 11 | Iron, hydroxylamine-HCl-leached | Fe-hyam | % | Volz, Jessica B | Leaching after Poulton and Canfield (2005) | 1 M; Feox1: easily reducible Fe(oxyhydr)oxides; mainly ferrihydrite (FeO(OH)2), lepidocrocite (γ-FeOOH) |
| 12 | Manganese, hydroxylamine-HCl-leached | Mn-hyam | % | Volz, Jessica B | 1 M; Mnox1: Mn(oxyhydr)oxides associated with easily reducible Fe(oxyhydr)oxides | |
| 13 | Iron, dithionite-citrate-leached | Fe-di-ct | % | Volz, Jessica B | Leaching after Poulton and Canfield (2005) | Feox2: reducible Fe(oxyhydr)oxides; mainly goethite (α-FeOOH), hematite (Fe2O3) |
| 14 | Manganese, dithionite-citrate-leached | Mn-di-ct | % | Volz, Jessica B | Mnox2: Mn(oxyhydr)oxides associated with reducible Fe(oxyhydr)oxides | |
| 15 | Iron, oxalate-leached | Fe-oxa | % | Volz, Jessica B | Leaching after Poulton and Canfield (2005) | Femag: magnetite-associated iron (Fe3O4) |
| 16 | Manganese, oxalate-leached | Mn-oxa | % | Volz, Jessica B | Mnmag: magnetite-associated Mn |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
638 data points