Citation:

PANGAEA.981432

Name: Whole-rock chemical analyses from the Heldburg dyke swarm
Published: 2025-09-20
License: https://creativecommons.org/licenses/by/4.0/

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Published: 2025-09-20 • DOI registered: 2025-10-18

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Abstract:

In the project "Geochemistry and geochronology of the Heldburg dyke swarm, Central European Volcanic Province" we conducted geochemical and geochronological investigations on mafic dykes and former magma chambers of the Heldburg dyke swarm. The latter is part of the Central European Volcanic Province and positioned in the South of Thuringia and the North of Bavaria (Germany). It consists of several hundred mafic NNE-SSW striking dykes with an usual thickness of < 1m and few former magma chambers. All of these have an atypical position within the Central European Volcanic Province located away from Hercynian massifs and major rift axes and were hitherto poorly investigated. In general, 10 different locations of the Heldburg dyke swarm were sampled for whole-rock analyses and 4 different locations were chosen for determining their apatite and zircon ages. The fieldwork was conducted between March 2022 and December 2023. The analytical work was done between June 2022 and April 2024 at the Department of Geodynamics and Geomaterials Research, University of Würzburg (samples preparation, X-ray fluorescence), at the GeoZentrum Nordbayern, University of Erlangen (trace element contents, LA-ICP-MS) and at FIERCE (Frankfurt Isotope & Element Research Center), Goethe University Frankfurt (apatite and zircon ages, LA-ICP-MS). Here, we present the full dataset of 55 whole-rock chemical analyses (X-ray fluorescence, LA-ICP-MS) from ten locations of the Heldburg dyke swarm.

Supplement to:

Höhn, Stefan; Geyer, Gerd; Frimmel, Hartwig E; Millonig, Leo J.; Gerdes, Axel; v. Seckendorff, Volker (submitted): Geochemistry and geochronology of the Heldburg dyke swarm, Central European Volcanic Province. Journal of Petrology

Funding:

Deutsche Forschungsgemeinschaft, Bonn (DFG), grant/award no. 495280451 : Geochronologie und Geochemie der Heldburger Gangschar (Zentraleuropärische Vulkanprovinz)

Coverage:

Median Latitude: 50.163925 * Median Longitude: 10.548365 * South-bound Latitude: 49.950971 * West-bound Longitude: 10.298440 * North-bound Latitude: 50.410556 * East-bound Longitude: 10.713889

Date/Time Start: 2023-06-13T09:00:00 * Date/Time End: 2023-06-21T19:55:00

Minimum DEPTH, sediment/rock: 0 m * Maximum DEPTH, sediment/rock: 0 m

Event(s):

HBG-03 * Latitude: 50.175007 * Longitude: 10.572473 * Date/Time: 2023-06-13T09:00:00 * Elevation: 312.0 m * Location: Unterfranken, Bavaria, Germany * Method/Device: Rock sample (ROCK)

HBG-04 * Latitude: 50.175007 * Longitude: 10.572473 * Date/Time: 2023-06-13T09:20:00 * Elevation: 312.0 m * Location: Unterfranken, Bavaria, Germany * Method/Device: Rock sample (ROCK)

HBG-05 * Latitude: 50.175007 * Longitude: 10.572473 * Date/Time: 2023-06-13T09:40:00 * Elevation: 312.0 m * Location: Unterfranken, Bavaria, Germany * Method/Device: Rock sample (ROCK)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Höhn, Stefan
2	Latitude of event	Latitude		Höhn, Stefan
3	Longitude of event	Longitude		Höhn, Stefan
4	Elevation of event	Elevation	m	Höhn, Stefan
5	Date/Time of event	Date/Time		Höhn, Stefan
6	DEPTH, sediment/rock	Depth sed	m	Höhn, Stefan		Geocode
7	Date/time analysis, experiment	Date/time analysis exp		Höhn, Stefan
8	Silicon dioxide	SiO2	%	Höhn, Stefan	X-ray fluorescence (XRF)	[wt %]
9	Titanium dioxide	TiO2	%	Höhn, Stefan	X-ray fluorescence (XRF)	[wt %]
10	Aluminium oxide	Al2O3	%	Höhn, Stefan	X-ray fluorescence (XRF)	[wt %]
11	Iron oxide, Fe2O3	Fe2O3	%	Höhn, Stefan	X-ray fluorescence (XRF)	[wt %]
12	Magnesium	Mg	%	Höhn, Stefan	X-ray fluorescence (XRF)	[wt %]
13	Calcium oxide	CaO	%	Höhn, Stefan	X-ray fluorescence (XRF)	[wt %]
14	Manganese oxide	MnO	%	Höhn, Stefan	X-ray fluorescence (XRF)	[wt %]
15	Sodium oxide	Na2O	%	Höhn, Stefan	X-ray fluorescence (XRF)	[wt %]
16	Potassium oxide	K2O	%	Höhn, Stefan	X-ray fluorescence (XRF)	[wt %]
17	Phosphorus pentoxide	P2O5	%	Höhn, Stefan	X-ray fluorescence (XRF)	[wt %]
18	Loss on ignition	LOI	%	Höhn, Stefan
19	Total	Total	%	Höhn, Stefan
20	Scandium	Sc	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
21	Vanadium	V	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
22	Chromium	Cr	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
23	Cobalt	Co	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
24	Nickel	Ni	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
25	Copper	Cu	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
26	Zinc	Zn	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
27	Arsenic	As	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
28	Rubidium	Rb	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
29	Strontium	Sr	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
30	Yttrium	Y	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
31	Zirconium	Zr	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
32	Niobium	Nb	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
33	Molybdenum	Mo	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
34	Antimony	Sb	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
35	Barium	Ba	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
36	Lanthanum	La	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
37	Cerium	Ce	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
38	Praseodymium	Pr	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
39	Neodymium	Nd	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
40	Samarium	Sm	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
41	Europium	Eu	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
42	Gadolinium	Gd	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
43	Terbium	Tb	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
44	Dysprosium	Dy	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
45	Holmium	Ho	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
46	Erbium	Er	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
47	Thulium	Tm	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
48	Ytterbium	Yb	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
49	Lutetium	Lu	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
50	Hafnium	Hf	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
51	Tantalum	Ta	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
52	Lead	Pb	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
53	Thorium	Th	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.
54	Uranium	U	mg/kg	Höhn, Stefan	Laser-ablation inductively coupled plasma mass spectrometer (LA-ICP-MS)	Original unit = ppm.

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

2634 data points

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