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Hennekam, Rick; Van der Bolt, Bregje; Van Nes, Egbert H; de Lange, Gert J; Scheffer, Marten; Reichart, Gert-Jan (2020): Calibrated XRF-scanning data (mm resolution) and calibration data (ICP-OES and ICP-MS) for elements Al, Ba, Mo, Ti, and U in Mediterranean cores MS21, MS66, and 64PE406E1 [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.923197

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Abstract:
Sediment cores were collected using a piston corer at three sites in the eastern Mediterranean Sea. Piston cores MS21 (32°20.7'N, 31°39.0'E; 1022 m water depth; 751.5 cm in length) and MS66 (33°1.9'N, 31°47.9'E; 1630 m water depth; 630 cm in length) were recovered during the MIMES cruise with the R/V Pelagia in 2004. Piston core 64PE406E1 (33°18.1'N, 33°23.7'E; 1760 m water depth; 920.5 cm in length) was recovered during the Eastern Mediterranean part of the 64PE406 (NESSC) cruise with the R/V Pelagia in 2016. The cores were opened and then prepared for X-Ray Fluorescence (XRF) core scanning by carefully flattening the sediment and covering it with a 4-μm SPEXCerti Ultralene foil. Subsequently, the sediments were XRF-scanned with a 1-mm resolution using four settings (10 kV-no filter, 20 kV-Al filter, 30 kV-Pd-thick filter, and 50 kV-Cu filter). The produced XRF-core-scanner data were calibrated using a subset of the discrete samples taken from the same core material. These samples were digested with an acid mixture and partially measured by inductively coupled plasma mass spectrometry (ICP-MS) and partially measured by ICP-optical emission spectroscopy (ICP-OES). The main purpose of our data collection was to reconstruct in detail (~10-50 yr resolution) the deoxygenation and anoxia in the eastern Mediterranean Sea during the last 300 ka BP; we focused on elements and elemental ratios of Al, Ba, Mo, Ti, and U.
Keyword(s):
Geochemistry; Mediterranean Sea; sapropels; trace elements; XRF-scanning
Supplement to:
Hennekam, Rick; Van der Bolt, Bregje; Van Nes, Egbert H; de Lange, Gert J; Scheffer, Marten; Reichart, Gert-Jan (2020): Early‐Warning Signals for Marine Anoxic Events. Geophysical Research Letters, 47(20), https://doi.org/10.1029/2020GL089183
Coverage:
Median Latitude: 32.892770 * Median Longitude: 32.281270 * South-bound Latitude: 32.344970 * West-bound Longitude: 31.650080 * North-bound Latitude: 33.301670 * East-bound Longitude: 33.395000
Date/Time Start: 2004-06-29T07:59:57 * Date/Time End: 2004-07-11T12:12:52
Event(s):
64PE406-E1 * Latitude: 33.301670 * Longitude: 33.395000 * Elevation: -1760.0 m * Campaign: 64PE406 (NESSC EAST MED) * Basis: Pelagia * Method/Device: Piston corer (PC)
MS21PC (MIMES_43) * Latitude: 32.344970 * Longitude: 31.650080 * Date/Time: 2004-06-29T07:59:57 * Elevation: -1022.0 m * Location: Osiris & Amon Mud Volcano * Campaign: MIMES * Basis: Pelagia * Method/Device: Piston corer (PC) * Comment: MS21PC Bottom
MS66PC (MIMES_96) * Latitude: 33.031670 * Longitude: 31.798730 * Date/Time: 2004-07-11T12:12:52 * Elevation: -1630.0 m * Location: Nile Fan * Campaign: MIMES * Basis: Pelagia * Method/Device: Piston corer (PC) * Comment: MS66PC Bottom
Size:
6 datasets

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