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Wienberg, Claudia; Wang, Haozhuang; Frank, Norbert; Eichstädter, Rene; Schröder-Ritzrau, Andrea; Hebbeln, Dierk (2022): Thorium-Uranium dating of cold-water corals from Mole and Elf Mound, Western Mediterranean Sea (Alboran Sea, East Melilla) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.949624

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Abstract:
This data presents high precision Th/U ages from cold-water corals obtained from gravity cores collected in the western Mediterranean Sea (Alboran Sea, East Melilla). Together with drill records of the sea floor drill rig MARUM-MeBo70 (https://doi.pangaea.de/10.1594/PANGAEA.945132), these data provide new insights into the initiation and development of the Mediterranean coral mounds since the Mid-Pleistocene. The coral ages document mound development pulses, which are remarkably coherent with precession-driven changes in African hydroclimate. The data supports studies on the relevance of past changes in continental hydroclimate and their implications on oceanic processes including the complex processes leading to the aggradation of cold-water coral mounds.
Keyword(s):
Alboran Sea; cold-water coral; cold-water coral mound formation; Mediterranean; Th-U ages
Supplement to:
Wienberg, Claudia; Krengel, Thomas; Frank, Norbert; Wang, H; Van Rooij, David; Hebbeln, Dierk (2022): Cold-water coral mounds in the western Mediterranean Sea: New insights into their initiation and development since the Mid-Pleistocene in response to changes of African hydroclimate. Quaternary Science Reviews, 293, 107723, https://doi.org/10.1016/j.quascirev.2022.107723
Further details:
Frank, Norbert; Krengel, Thomas; Wienberg, Claudia; Eichstädter, Rene; Schröder-Ritzrau, Andrea; Hebbeln, Dierk (2022): Thorium-Uranium dating of cold-water corals from Brittlestar and Dragon Mound, Western Mediterranean Sea. PANGAEA, https://doi.org/10.1594/PANGAEA.945132
Hebbeln, Dierk; Wienberg, Claudia; Bartels, Martin; Bergenthal, Markus; Frank, Norbert; Gaide, Stefanie; Henriet, Jean-Pierre; Kaszemeik, Kai; Klar, Steffen; Klein, Thorsten; Krengel, Thomas; Kuhnert, Markus; Meyer-Schack, Birgit; Noorlander, Cornelis; Reuter, Michael; Rosiak, Uwe; Schmidt, Werner; Seeba, Hanno; Seiter, Christian; Stange, Nikolas; Terhzaz, Loubna; Van Rooij, David (2015): MoccoMeBo Climate-driven development of Moroccan cold-water coral mounds revealed by MeBo-drilling: Atlantic vs. Mediterranean settings - Cruise MSM36 - February 18 - March 17, 2014 - Malaga (Spain) - Las Palmas (Spain). MARIA S. MERIAN-Berichte, DFG-Senatskommission für Ozeanographie, MSM36, 47 pp, https://doi.org/10.2312/cr_msm36
Wang, Haozhuang (2020): Development of cold water coral mounds in the southern Alboran Sea (Western Mediterranean Sea) since the last interglacial. PhD-thesis, University of Bremen, Germany, urn:nbn:de:gbv:46-00108585-15
Funding:
German Research Foundation (DFG), grant/award no. 268746146: MoccAMeBo - Klima-gesteuerte Initiierung und Entwicklung von marokkanischen Kaltwasserkorallen-Hügeln im Atlantik aufgezeigt durch MeBo-Bohrungen
Coverage:
Median Latitude: 35.319358 * Median Longitude: -2.507675 * South-bound Latitude: 35.307333 * West-bound Longitude: -2.521967 * North-bound Latitude: 35.331383 * East-bound Longitude: -2.493383
Date/Time Start: 2014-02-19T07:42:00 * Date/Time End: 2014-02-25T10:51:00
Minimum DEPTH, sediment/rock: 0.19 m * Maximum DEPTH, sediment/rock: 10.13 m
Event(s):
GeoB18105-1 * Latitude: 35.307333 * Longitude: -2.521967 * Date/Time: 2014-02-19T07:42:00 * Elevation: -224.0 m * Recovery: 5.71 m * Location: Alboran Sea - E-Melilla - unnamed mound * Campaign: MSM36 * Basis: Maria S. Merian * Method/Device: Gravity corer (GC) * Comment: overpenetration, few corals
GeoB18120-1 * Latitude: 35.331383 * Longitude: -2.493383 * Date/Time: 2014-02-25T10:51:00 * Elevation: -249.0 m * Recovery: 10.16 m * Location: Alboran Sea - E-Melilla - Mole Mound * Campaign: MSM36 * Basis: Maria S. Merian * Method/Device: Gravity corer (GC) * Comment: abundant corals
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventWienberg, Claudia
2Latitude of eventLatitudeWienberg, Claudia
3Longitude of eventLongitudeWienberg, Claudia
4Elevation of eventElevationmWienberg, Claudia
5Age, dated materialDated materialWienberg, Claudia
6Laboratory code/labelLab labelWienberg, Claudia
7Sample code/labelSample labelWienberg, Claudia
8DEPTH, sediment/rockDepth sedmWienberg, ClaudiaGeocode
9Age, datedAge datedkaWienberg, ClaudiaCorrected
10Age, dated standard deviationAge dated std dev±Wienberg, ClaudiaCorrected2 Sigma error
11δ234 Uraniumδ234UWienberg, Claudiadelta234/238U, initial
12δ234 Uranium, standard deviationδ234U std dev±Wienberg, Claudiainitial, 2 Sigma error
13Uranium-238238Uµg/gWienberg, Claudia
14Uranium-238, standard deviation238U std dev±Wienberg, Claudia2 Sigma error
15Thorium-232232Thng/gWienberg, Claudia
16Thorium-232, standard deviation232Th std dev±Wienberg, Claudia2 Sigma error
17Thorium-230/Uranium-238 ratio230Th/238UWienberg, Claudia
18Thorium-230/Uranium-238, standard deviation230Th/238U std dev±Wienberg, Claudia2 Sigma error
19Thorium-230/Thorium-232 ratio230Th/232ThWienberg, Claudia
20Thorium-230/Thorium-232, standard deviation230Th/232Th std dev±Wienberg, Claudia2 Sigma error
21δ234 Uraniumδ234UWienberg, ClaudiaMeasureddelta234/238U, measured
22δ234 Uranium, standard deviationδ234U std dev±Wienberg, ClaudiaMeasured2 Sigma error
23Age, datedAge datedkaWienberg, ClaudiaUncorrected
24Age, dated standard deviationAge dated std dev±Wienberg, ClaudiaUncorrected2 Sigma error
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
475 data points

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