Citation:

PANGAEA.954973

Name: Apatite (U-Th)/He ages for samples in the Gurktal Alps (Austria)
Published: 2023-01-27
License: https://creativecommons.org/licenses/by/4.0/

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Published: 2023-01-27 • DOI registered: 2023-09-26

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References:

Farley, Kenneth A; Wolf, R A; Silver, L T (1996): The effects of long alpha-stopping distances on (U-Th)/He ages. Geochimica et Cosmochimica Acta, 60(21), 4223-4229, https://doi.org/10.1016/S0016-7037(96)00193-7

Hourigan, Jeremy K; Reiners, Peter W; Brandon, Mark (2005): U-Th zonation-dependent alpha-ejection in (U-Th)/He chronometry. Geochimica et Cosmochimica Acta, 69(13), 3349-3365, https://doi.org/10.1016/j.gca.2005.01.024

Hurford, Anthony J; Green, Paul F (1983): The zeta age calibration of fission-track dating. Chemical Geology, 41, 285-317, https://doi.org/10.1016/S0009-2541(83)80026-6

Coverage:

Median Latitude: 46.784300 * Median Longitude: 13.685217 * South-bound Latitude: 46.005800 * West-bound Longitude: 13.574000 * North-bound Latitude: 46.980900 * East-bound Longitude: 13.743600

Minimum Elevation: 696.0 m * Maximum Elevation: 2211.0 m

Event(s):

Gurktal_14NO1 * Latitude: 46.962200 * Longitude: 13.727800 * Elevation: 1572.0 m * Location: Gurktal Alps, Austria * Method/Device: Geological sample (GEOS)

Gurktal_14NO13 * Latitude: 46.971700 * Longitude: 13.743600 * Elevation: 1531.0 m * Location: Gurktal Alps, Austria * Method/Device: Geological sample (GEOS)

Gurktal_19NO21 * Latitude: 46.807000 * Longitude: 13.574000 * Elevation: 696.0 m * Location: Gurktal Alps, Austria * Method/Device: Geological sample (GEOS)

Comment:

The data set includes the geographic position and elevation of the analyzed samples and the obtained apaite (U-Th)/He ages. Ejection correction (Ft): correction factor for alpha-ejection (according to Farley et al., 1996). Uncertainty of the single-grain ages includes both the analytical uncertainty and the estimated uncertainty of the ejection correction. Sample age (2se standard error) is the unweighted average age of all Ft-corrected (U-Th)/He ages. Results from aliquots written in italics are not considered in the calculation of the sample age.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Wölfler, Andreas
2	Latitude of event	Latitude		Wölfler, Andreas
3	Longitude of event	Longitude		Wölfler, Andreas
4	Elevation of event	Elevation	m	Wölfler, Andreas
5	Aliquot	Aliquot		Wölfler, Andreas
6	Helium	He	10^-9 cm³	Wölfler, Andreas
7	Helium, standard deviation, relative	He std dev r	%	Wölfler, Andreas	calculated, 1 sigma
8	Uranium	U	ng	Wölfler, Andreas
9	Uranium, standard deviation, relative	U std dev r	%	Wölfler, Andreas	calculated, 1 sigma
10	Uranium	U	mg/kg	Wölfler, Andreas
11	Thorium	Th	ng	Wölfler, Andreas
12	Thorium, standard deviation, relative	Th std dev r	%	Wölfler, Andreas	calculated, 1 sigma
13	Thorium	Th	mg/kg	Wölfler, Andreas
14	Thorium/Uranium ratio	Th/U		Wölfler, Andreas
15	Samarium	Sm	ng	Wölfler, Andreas
16	Samarium, standard deviation, relative	Sm std dev r	%	Wölfler, Andreas	calculated, 1 sigma
17	Samarium	Sm	mg/kg	Wölfler, Andreas
18	alpha-ejection correction	Ft		Wölfler, Andreas
19	Age, mineral	Age mineral	Ma	Wölfler, Andreas		uncorrected age
20	Age, mineral	Age mineral	Ma	Wölfler, Andreas		FT-corrected age
21	Age, mineral, standard deviation	Age mineral std dev	±	Wölfler, Andreas	Calculated, 2 sigma
22	Age, mineral	Age mineral	Ma	Wölfler, Andreas		sample age
23	Age, mineral, standard deviation	Age mineral std dev	±	Wölfler, Andreas	Calculated, 2 sigma	sample age

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

216 data points

Data

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

1 Event	2 Latitude	3 Longitude	4 Elevation [m]	5 Aliquot	6 He [10^-9 cm³]	7 He std dev r [%] (calculated, 1 sigma)	8 U [ng]	9 U std dev r [%] (calculated, 1 sigma)	10 U [mg/kg]	11 Th [ng]	12 Th std dev r [%] (calculated, 1 sigma)	13 Th [mg/kg]	14 Th/U	15 Sm [ng]	16 Sm std dev r [%] (calculated, 1 sigma)	17 Sm [mg/kg]	18 Ft	19 Age mineral [Ma] (uncorrected age)	20 Age mineral [Ma] (FT-corrected age)	21 Age mineral std dev [±] (Calculated, 2 sigma)	22 Age mineral [Ma] (sample age)	23 Age mineral std dev [±] (sample age, Calculated, 2 sigma)
Gurktal_14NO1	46.9622	13.7278	1572	#1	0.094	1.9	0.033	2.4	17	0.014	3.1	7	0.41	0.197	7.2	99	0.65	20.5	31.6	3.8	35.1	5.1
Gurktal_14NO1	46.9622	13.7278	1572	#2	0.123	1.7	0.034	2.4	16	0.003	5.4	1	0.08	0.169	7.7	81	0.72	27.9	38.7	3.9
Gurktal_14NO13	46.9717	13.7436	1531	#1	0.181	1.4	0.056	2.1	19	0.005	3.8	2	0.09	0.264	6.9	91	0.76	25.4	33.4	2.9	31.3	3.0
Gurktal_14NO13	46.9717	13.7436	1531	#2	0.199	1.4	0.066	2.0	14	0.001	25.6	0	0.01	0.417	6.5	92	0.81	23.6	29.4	2.1
Gurktal_19NO21	46.8070	13.5740	696	#1	0.905	2.0	0.634	1.8	58	0.030	2.5	3	0.10	3.044	2.8	280	0.79	11.3	14.2	1.2	12.7	2.2
Gurktal_19NO21	46.8070	13.5740	696	#2	0.464	2.1	0.426	1.8	87	0.043	2.5	9	0.10	1.407	2.8	286	0.77	8.6	11.1	1.0
Gurktal_19NO23	46.0058	13.6942	2211	#1	0.190	2.3	0.054	2.0	12	0.003	7.6	1	0.10	0.453	2.8	99	0.76	27.0	35.5	3.3	35.5	3.3
Gurktal_19NO23	46.0058	13.6942	2211	#2	0.261	2.1	0.057	2.0	14	0.006	2.7	2	0.10	0.382	2.8	95	0.75	35.0	46.6	4.4
Gurktal_19NO27	46.9809	13.6903	1421	#1	0.092	2.5	0.018	3.5	5	0.037	2.6	11	2.10	0.415	2.8	118	0.77	25.9	33.6	3.2	25.1	4.3
Gurktal_19NO27	46.9809	13.6903	1421	#2	0.048	4.0	0.018	3.7	7	0.018	3.0	7	1.00	0.522	2.8	194	0.70	15.0	21.4	2.8
Gurktal_19NO27	46.9809	13.6903	1421	#3	0.068	3.4	0.027	2.8	6	0.027	2.8	6	1.00	0.797	2.8	173	0.71	14.3	20.2	2.4
Gurktal_19NO28	46.9782	13.6814	1294	#1	0.041	3.7	0.011	5.2	6	0.019	2.9	10	1.70	0.418	2.8	231	0.67	18.3	27.3	3.8	27.3	3.8