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Behrendt, Nele; Bohrmann, Gerhard; Kopf, Achim J (2023): X-ray fluorescence (XRF) data of sediment core GeoB24351-1, 30 kV run [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.959863

Always quote citation above when using data! You can download the citation in several formats below.

Published: 2023-06-27DOI registered: 2023-07-26

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Abstract:
X-Ray fluorescence (XRF) scans were carried out for core GeoB24351-1 (Gelendzhik MV; 0-284 cm) in 10 mm steps downcore on the split core surface of the archive half with the XRF Core Scanner III (AVAATECH Serial No. 12) at MARUM – Center for Marine Environmental Sciences in Bremen. To avoid contamination of the XRF measurement unit and the desiccation of the sediment, the split core was covered with a 4 µm thin SPEXCerti Ultralene1 foil. Reported data was acquired with a SGX Sensortech Silicon drift detector (Modul S SiriusD®D65133Be-INF with 133 eV X-ray resolution), a Topaz-X High-Resolution Digital MCA, and an Oxford Instruments 100 W Neptune X-Ray tube with rhodium (Rh) target material. Data were obtained during three runs at 50 kV (1st run), 30 kV (2nd run) and 10 kV (3rd run). Processing of raw data took place by the analysis of X-ray spectra by an iterative least square software package from Canberra Eurisys (WIN AXIL).
Keyword(s):
Gelendzhik MV; Mediterranean Ridge accretionary complex; mud volcano; Olimpi mud volcano field; R/V SONNE; SO278; XRF core scanner
Related to:
Behrendt, Nele; Menapace, Walter; Bohrmann, Gerhard; Zabel, Matthias; Kopf, Achim J (2023): Pore water signatures and gas hydrates occurrence in and around the Olimpi mud volcano field, south of Crete. Marine and Petroleum Geology, 156, 106429, https://doi.org/10.1016/j.marpetgeo.2023.106429
Further details:
Bohrmann, Gerhard; Ahrlich, Frauke; Antoniou, Dimitra; Behrendt, Nele; Innocentini, Simone; Coulibaly, Ousmane; Eijsink, Agathe; Feddersen, Greta; Gaide, Stefanie; Kaul, Norbert; König, Tabea; Krahl, Julia; Kürzinger, Victoria; Lenius, Sven; Malnati, Janice; Marschall, Lara; Niederbockstruck, Bryan; Porrmann, Simon; Rau, Svenja; Römer, Miriam; Schillai, Sophia; Spiesecke, Ulli; Streuff, Katharina Teresa; Tseng, Yiting; Vejzovic, Ines; von Wahl, Till; Warnken, Niklas; Witzleb, Antonia (2021): Fluid-rock interaction at the backstop to the Mediterranean Ridge Accretionary Complex South of Crete, Cruise Report SO278, 12 October - 01 December 2020, Emden (Germany) - Emden (Germany). SONNE-Berichte, Gutachterpanel Forschungsschiffe, SO278, 208 pp, https://doi.org/10.48433/cr_so278
Funding:
German Research Foundation (DFG), grant/award no. 390741603: EXC 2077: The Ocean Floor – Earth's Uncharted Interface
Coverage:
Latitude: 33.903020 * Longitude: 24.269020
Date/Time Start: 2020-11-13T05:36:09 * Date/Time End: 2020-11-13T05:36:09
Minimum DEPTH, sediment/rock: 0.02 m * Maximum DEPTH, sediment/rock: 0.98 m
Event(s):
SO278_51-1 (GeoB24351-1) * Latitude: 33.903020 * Longitude: 24.269020 * Date/Time: 2020-11-13T05:36:09 * Elevation: -1695.6 m * Location: Mediterranean Sea * Campaign: SO278 (GPF 19-2-007H) * Basis: Sonne_2 * Method/Device: Gravity corer (GC)
Comment:
Scanner: AVAATECH (Serial No. 12)
X-ray tube: Oxford Instruments 100W Neptune Rh X-ray tube
X-ray detector: SiriusSD D65133BE-INF
Step size: 10 mm
Slit down-core: 10 mm
Slit cross-core: 12 mm
X-ray tube settings: 1st run: 50 kV; 0.5 mA; 8 sec. Cu filter
2nd run: 30 kV; 0.6 mA; 8 sec. Pd thick filter
3rd run: 10 kV; 0.05 mA; 8 sec. no filter
Processing model: 1st run: 50 kV; Averaged dead time: 29%
2nd run: 30 kV; Averaged dead time: 27%
3rd run: 10 kV; Averaged dead time: 27%
Data quality check of processed data at MARUM XRF Core Scanner Lab:
Data from listed elements are reliable for scientific publication:
1st run: Ba*, (Sr, Zr, Rb, Br)**
2nd run: Br, Sr, Zr, Rb
3rd run: Al, Si, S, K, ca, Ti, Mn, Fe
Data from listed elements are NOT reliable for scientific publication:
1st run: Mo, Ag, Sn, Te
2nd run: Ni, Cu, Zn, Ga, (Nb, Mo, Pb)***, Bi
3rd run: P, Cl, Rh, Cr, Mg
Notes (scatter & escape peaks, elements below detection limit, etc.):
Sediment surfaces are very poor and not really suitable for XRF scanning (all:
uneven/bumpy surfaces, x to y cm pebbles, holes, and cracks). Therefore highly
recommended to (only) work with elemental ratios from the acquired datasets.
Please also note: Ba*: small peaks only, general low total counts; (Sr,Rb,Zr,Br)**: better in
30 kV run; (Nb, Mo, Pb)***: please validate the higher peaks standing out from a different
chemical method
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DEPTH, sediment/rockDepth sedmBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]Geocode
NickelNicpsBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]
CopperCucpsBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]
ZincZncpsBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]
GalliumGacpsBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]
BromineBrcpsBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]
RubidiumRbcpsBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]
StrontiumSrcpsBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]
ZirconiumZrcpsBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]
10 NiobiumNbcpsBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]
11 MolybdenumMocpsBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]
12 RutheniumRucpsBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]
13 RhodiumRhcpsBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]
14 LeadPbcpsBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]
15 BismuthBicpsBehrendt, NeleX-ray fluorescence (XRF), AVAATECH, Serial No. 12 [III Bremen]
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
2744 data points

Data

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


Depth sed [m]

Ni [cps]

Cu [cps]

Zn [cps]

Ga [cps]

Br [cps]

Rb [cps]

Sr [cps]

Zr [cps]
10 
Nb [cps]
11 
Mo [cps]
12 
Ru [cps]
13 
Rh [cps]
14 
Pb [cps]
15 
Bi [cps]
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