Citation:

PANGAEA.949624

Name: Thorium-Uranium dating of cold-water corals from Mole and Elf Mound, Western Mediterranean Sea (Alboran Sea, East Melilla)
Published: 2022-10-12
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Alboran Sea; cold-water coral; cold-water coral mound formation; Mediterranean; Th-U ages

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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

Project(s):

Center for Marine Environmental Sciences (MARUM)

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: * Basis: * 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: * Basis: * Method/Device: Gravity corer (GC) * Comment: abundant corals

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Wienberg, Claudia
2	Latitude of event	Latitude		Wienberg, Claudia
3	Longitude of event	Longitude		Wienberg, Claudia
4	Elevation of event	Elevation	m	Wienberg, Claudia
5	Age, dated material	Dated material		Wienberg, Claudia
6	Laboratory code/label	Lab label		Wienberg, Claudia
7	Sample code/label	Sample label		Wienberg, Claudia
8	DEPTH, sediment/rock	Depth sed	m	Wienberg, Claudia		Geocode
9	Age, dated	Age dated	ka	Wienberg, Claudia	Corrected
10	Age, dated standard deviation	Age dated std dev	±	Wienberg, Claudia	Corrected	2 Sigma error
11	δ234 Uranium	δ234U	‰	Wienberg, Claudia		delta234/238U, initial
12	δ234 Uranium, standard deviation	δ234U std dev	±	Wienberg, Claudia		initial, 2 Sigma error
13	Uranium-238	238U	µg/g	Wienberg, Claudia
14	Uranium-238, standard deviation	238U std dev	±	Wienberg, Claudia		2 Sigma error
15	Thorium-232	232Th	ng/g	Wienberg, Claudia
16	Thorium-232, standard deviation	232Th std dev	±	Wienberg, Claudia		2 Sigma error
17	Thorium-230/Uranium-238 ratio	230Th/238U		Wienberg, Claudia
18	Thorium-230/Uranium-238, standard deviation	230Th/238U std dev	±	Wienberg, Claudia		2 Sigma error
19	Thorium-230/Thorium-232 ratio	230Th/232Th		Wienberg, Claudia
20	Thorium-230/Thorium-232, standard deviation	230Th/232Th std dev	±	Wienberg, Claudia		2 Sigma error
21	δ234 Uranium	δ234U	‰	Wienberg, Claudia	Measured	delta234/238U, measured
22	δ234 Uranium, standard deviation	δ234U std dev	±	Wienberg, Claudia	Measured	2 Sigma error
23	Age, dated	Age dated	ka	Wienberg, Claudia	Uncorrected
24	Age, dated standard deviation	Age dated std dev	±	Wienberg, Claudia	Uncorrected	2 Sigma error

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

475 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Event	2 Latitude	3 Longitude	4 Elevation [m]	5 Dated material	6 Lab label	7 Sample label	8 Depth sed [m]	9 Age dated [ka] (Corrected)	10 Age dated std dev [±] (2 Sigma error, Corrected)	11 δ234U [‰] (delta234/238U, initial)	12 δ234U std dev [±] (initial, 2 Sigma error)	13 238U [µg/g]	14 238U std dev [±] (2 Sigma error)	15 232Th [ng/g]	16 232Th std dev [±] (2 Sigma error)	17 230Th/238U	18 230Th/238U std dev [±] (2 Sigma error)	19 230Th/232Th	20 230Th/232Th std dev [±] (2 Sigma error)	21 δ234U [‰] (delta234/238U, measured, Meas...)	22 δ234U std dev [±] (2 Sigma error, Measured)	23 Age dated [ka] (Uncorrected)	24 Age dated std dev [±] (2 Sigma error, Uncorrected)
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Madrepora oculata)	IUP-9660	GeoB18120-1 - 18.5cm	0.19	4.757	0.016	148.6	0.5	3.9738	0.0001	0.2253	0.0006	0.0491	0.0001	2651	10	146.6	0.5	4.771	0.015
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Madrepora oculata)	IUP-9661	GeoB18120-1 - 64cm	0.64	11.709	0.034	148.8	0.5	3.8242	0.0001	0.1021	0.0002	0.1168	0.0003	13371	42	143.9	0.5	11.716	0.034
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Lophelia pertusa)	IUP-9662	GeoB18120-1 - 114cm	1.14	12.502	0.028	148.3	0.5	3.7543	0.0001	0.2667	0.0004	0.1243	0.0002	5345	14	143.1	0.5	12.520	0.027
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Lophelia pertusa)	IUP-9663	GeoB18120-1 - 134cm	1.34	12.419	0.033	149.0	0.4	3.5238	0.0001	0.4141	0.0008	0.1237	0.0003	3213	9	143.9	0.4	12.449	0.028
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Lophelia pertusa)	IUP-9664	GeoB18120-1 - 176.5cm	1.77	12.426	0.037	148.8	0.5	3.5537	0.0001	0.5625	0.0009	0.1238	0.0003	2390	7	143.7	0.5	12.465	0.030
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Lophelia pertusa)	IUP-9665	GeoB18120-1 - 366.5cm	3.67	13.384	0.034	149.7	0.5	3.2075	0.0001	0.1650	0.0003	0.1326	0.0003	7884	24	144.1	0.4	13.397	0.032
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Lophelia pertusa)	IUP-9666	GeoB18120-1 - 456.5cm	4.57	13.397	0.034	149.4	0.5	3.6756	0.0001	0.3034	0.0005	0.1327	0.0003	4913	13	143.9	0.5	13.417	0.034
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Lophelia pertusa)	IUP-9667	GeoB18120-1 - 466cm	4.66	13.301	0.036	148.9	0.5	3.7408	0.0001	0.0526	0.0001	0.1316	0.0003	28643	102	143.4	0.5	13.304	0.036
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Lophelia pertusa)	IUP-9668	GeoB18120-1 - 534cm	5.34	13.882	0.041	150.4	0.7	3.0457	0.0001	0.1351	0.0003	0.1373	0.0004	9466	34	144.6	0.6	13.893	0.040
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Lophelia pertusa)	IUP-9669	GeoB18120-1 - 555cm	5.55	52.800	0.109	144.6	0.6	3.0342	0.0001	0.1604	0.0003	0.4351	0.0007	25177	58	124.5	0.5	52.810	0.109
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Lophelia pertusa)	IUP-9670	GeoB18120-1 - 623cm	6.23	72.180	0.194	140.8	0.6	2.7217	0.0001	0.2134	0.0004	0.5452	0.0010	21317	58	114.9	0.5	72.200	0.194
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Lophelia pertusa)	IUP-9671	GeoB18120-1 - 635cm	6.35	71.440	0.206	139.7	0.6	3.1515	0.0001	0.1418	0.0003	0.5408	0.0011	36861	105	114.2	0.4	71.450	0.206
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Madrepora oculata)	IUP-9672	GeoB18120-1 - 754cm	7.54	74.950	0.206	140.1	0.6	3.6282	0.0001	0.1424	0.0004	0.5591	0.0010	43590	139	113.4	0.5	74.960	0.206
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Madrepora oculata)	IUP-9673	GeoB18120-1 - 859.5cm	8.60	77.960	0.212	141.1	0.7	3.3908	0.0001	0.0850	0.0003	0.5746	0.0010	70025	271	113.2	0.6	77.960	0.212
GeoB18120-1	35.3314	-2.4934	-249	cold-water coral (Madrepora oculata)	IUP-9674	GeoB18120-1 - 1013cm	10.13	77.960	0.249	142.1	0.7	2.9522	0.0001	0.0732	0.0002	0.5751	0.0012	70799	272	114.0	0.5	77.960	0.247
GeoB18105-1	35.3073	-2.5220	-224	cold-water coral (Madrepora oculata)	IUP-9675	GeoB18105-1 - 44cm	0.44	106.180	0.388	146.3	0.9	3.2485	0.0001	0.2978	0.0010	0.6992	0.0015	23375	91	108.4	0.6	106.200	0.379
GeoB18105-1	35.3073	-2.5220	-224	cold-water coral (Madrepora oculata)	IUP-9676	GeoB18105-1 - 50cm	0.50	110.500	0.376	146.5	0.9	3.3446	0.0001	0.0688	0.0004	0.7151	0.0013	106589	583	107.2	0.6	110.510	0.376
GeoB18105-1	35.3073	-2.5220	-224	cold-water coral (Madrepora oculata)	IUP-9677	GeoB18105-1 - 119cm	1.19	111.740	0.372	146.3	0.6	3.7565	0.0001	0.1608	0.0005	0.7195	0.0014	51578	181	106.7	0.4	111.760	0.370
GeoB18105-1	35.3073	-2.5220	-224	cold-water coral (Madrepora oculata)	IUP-9678	GeoB18105-1 - 176.5cm	1.77	114.410	0.431	146.8	0.8	3.2247	0.0001	0.2094	0.0005	0.7291	0.0015	34458	104	106.3	0.6	114.430	0.431
GeoB18105-1	35.3073	-2.5220	-224	cold-water coral (Madrepora oculata)	IUP-9679	GeoB18105-1 - 204cm	2.04	121.680	0.426	151.2	0.8	3.2184	0.0001	0.4333	0.0010	0.7558	0.0014	17221	52	107.2	0.5	121.710	0.426
GeoB18105-1	35.3073	-2.5220	-224	cold-water coral (Madrepora oculata)	IUP-9680	GeoB18105-1 - 249.5cm	2.50	118.330	0.448	149.6	0.9	3.4980	0.0001	0.3253	0.0006	0.7439	0.0015	24550	68	107.1	0.6	118.350	0.448
GeoB18105-1	35.3073	-2.5220	-224	cold-water coral (Madrepora oculata)	IUP-9681	GeoB18105-1 - 302.5cm	3.03	111.150	0.353	146.1	0.8	3.1445	0.0001	0.1778	0.0006	0.7173	0.0013	38908	145	106.8	0.6	111.160	0.341
GeoB18105-1	35.3073	-2.5220	-224	cold-water coral (Madrepora oculata)	IUP-9682	GeoB18105-1 - 328cm	3.28	112.130	0.358	146.7	0.7	3.3155	0.0001	0.1697	0.0004	0.7211	0.0013	43187	133	106.9	0.5	112.140	0.322
GeoB18105-1	35.3073	-2.5220	-224	cold-water coral (Madrepora oculata)	IUP-9683	GeoB18105-1 - 414.5cm	4.15	111.500	0.261	147.2	0.6	3.2503	0.0001	0.1674	0.0004	0.7191	0.0009	42849	117	107.4	0.4	111.510	0.259
GeoB18105-1	35.3073	-2.5220	-224	cold-water coral (Madrepora oculata)	IUP-9684	GeoB18105-1 - 565cm	5.65	112.240	0.316	146.3	0.7	3.6980	0.0001	0.2543	0.0005	0.7212	0.0011	32150	82	106.5	0.5	112.260	0.312