Citation:

PANGAEA.918178

Name: (U-Th)/He ages from Zircons collected in the central Nepal Himalaya: raw data
Published: 2020-05-29
License: https://creativecommons.org/licenses/by/4.0/
Keywords: cooling age; exhumation; Himalayas; Nepal; ZHe

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

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Keyword(s):

cooling age; exhumation; Himalayas; Nepal; ZHe

Related to:

Ghoshal, Suryodoy; McQuarrie, Nadine; Robinson, Delores M; Adhikari, D P; Morgan, Leah E; Ehlers, Todd A (2020): Constraining Central Himalayan (Nepal) Fault Geometry Through Integrated Thermochronology and Thermokinematic Modeling. Tectonics, 39(9), https://doi.org/10.1029/2020TC006399

References:

Reiners, Peter W (2005): Zircon (U-Th)/He Thermochronometry. Reviews in Mineralogy & Geochemistry, 58(1), 151-179, https://doi.org/10.2138/rmg.2005.58.6

Reiners, Peter W; Spell, Terry L; Nicolescu, Stefan; Zanetti, Kathleen A (2004): Zircon (U-Th)/He thermochronometry: He diffusion and comparisons with 40Ar/39Ar dating. Geochimica et Cosmochimica Acta, 68(8), 1857-1887, https://doi.org/10.1016/j.gca.2003.10.021

Coverage:

Median Latitude: 27.949750 * Median Longitude: 85.024868 * South-bound Latitude: 27.495130 * West-bound Longitude: 84.766360 * North-bound Latitude: 28.318310 * East-bound Longitude: 85.363670

Minimum Elevation: 213.4 m * Maximum Elevation: 2030.1 m

Event(s):

CN16-004 * Latitude: 27.853500 * Longitude: 85.153970 * Elevation: 1612.5 m * Location: Nepal * Method/Device: Rock sample (ROCK) * Comment: Map unit: GH

CN16-007 * Latitude: 28.246410 * Longitude: 85.363670 * Elevation: 1731.6 m * Location: Nepal * Method/Device: Rock sample (ROCK) * Comment: Map unit: GH

CN16-016 * Latitude: 28.142020 * Longitude: 85.322760 * Elevation: 1731.6 m * Location: Nepal * Method/Device: Rock sample (ROCK) * Comment: Map unit: Kuncha

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	Event label	Event		Ghoshal, Suryodoy
2	Sample code/label	Sample label		Ghoshal, Suryodoy
3	Uranium	U	ng	Ghoshal, Suryodoy
4	Thorium	Th	ng	Ghoshal, Suryodoy
5	Thorium/Uranium ratio	Th/U		Ghoshal, Suryodoy
6	Age, mineral	Age mineral	Ma	Ghoshal, Suryodoy	raw date
7	Age, error	Age e	±	Ghoshal, Suryodoy	1s ± date
8	Mass	Mass	g	Ghoshal, Suryodoy	Zircon
9	Mass, standard error	Mass std e	±	Ghoshal, Suryodoy	d mass zircon
10	Uranium	U	mg/kg	Ghoshal, Suryodoy	ppm U (Zr)
11	Thorium	Th	mg/kg	Ghoshal, Suryodoy	ppm Th (Zr)
12	Thorium/Uranium ratio	Th/U		Ghoshal, Suryodoy
13	Helium-4	4He	nmol/kg	Ghoshal, Suryodoy
14	alpha-ejection correction	Ft		Ghoshal, Suryodoy	Ft 238U
15	alpha-ejection correction	Ft		Ghoshal, Suryodoy	Ft 235U
16	alpha-ejection correction	Ft		Ghoshal, Suryodoy	Ft 232Th
17	alpha-ejection correction	Ft		Ghoshal, Suryodoy	Ft 147Sm
18	Uranium	U	mg/kg	Ghoshal, Suryodoy	ppm eU (Zr)
19	Ratio	Ratio		Ghoshal, Suryodoy	eU (morph)/eU (Zr)
20	Size	Size	µm	Ghoshal, Suryodoy	Rs: width of the rims around the crystals
21	Age, mineral	Age mineral	Ma	Ghoshal, Suryodoy	corrected date
22	Age, error	Age e	±	Ghoshal, Suryodoy	2s ± date (Ma)

License:

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

Size:

1197 data points

Data

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

1 Event	2 Sample label	3 U [ng]	4 Th [ng]	5 Th/U	6 Age mineral [Ma] (raw date)	7 Age e [±] (1s ± date)	8 Mass [g] (Zircon)	9 Mass std e [±] (d mass zircon)	10 U [mg/kg] (ppm U (Zr))	11 Th [mg/kg] (ppm Th (Zr))	12 Th/U	13 4He [nmol/kg]	14 Ft (Ft 238U)	15 Ft (Ft 235U)	16 Ft (Ft 232Th)	17 Ft (Ft 147Sm)	18 U [mg/kg] (ppm eU (Zr))	19 Ratio (eU (morph)/eU (Zr))	20 Size [µm] (Rs: width of the rims around ...)	21 Age mineral [Ma] (corrected date)	22 Age e [±] (2s ± date (Ma))
CN16-004	17B935_CN16_004_Zr1	0.002413856	0.001398584	0.594390182	0.000000000	1.038759797	1.63E-9	7.80E-10	1485.35	860.61	0.58	0	0.835	0.810	0.810	0.948	1687.60	0.00	74.60	0.000	1.25
CN16-004	17B936_CN16_004_Zr2	0.959457717	0.713931164	0.763352077	3.497991342	0.045468534	1.08E-6	1.90E-8	885.69	659.04	0.74	19636	0.629	0.580	0.580	0.879	1040.57	0.95	31.03	5.640	0.07
CN16-004	17B937_CN16_004_Zr3	1.303895920	0.077575404	0.061034517	3.678761963	0.052692000	1.57E-6	2.75E-8	829.42	49.35	0.06	16667	0.658	0.612	0.612	0.889	841.02	1.00	33.98	5.610	0.08
CN16-007	17B938_CN16_007_Zr1	1.075953194	0.787631317	0.750972422	0.861626234	0.012746957	1.58E-6	2.85E-8	681.41	498.82	0.73	3711	0.674	0.630	0.630	0.895	798.64	0.95	35.90	1.290	0.02
CN16-007	17B939_CN16_007_Zr2	0.261754191	0.076727426	0.300712429	0.856768446	0.029290058	1.29E-6	2.36E-8	202.74	59.43	0.29	1000	0.696	0.653	0.653	0.902	216.71	0.69	38.71	1.240	0.04
CN16-007	17B940_CN16_007_Zr3	0.141244975	0.077778301	0.564910746	0.410313899	0.029958232	9.47E-7	1.60E-8	149.23	82.17	0.55	373	0.657	0.610	0.610	0.888	168.54	0.71	33.87	0.631	0.05
CN16-016	17B948_CN16_016_Zr1	15.017849270	1.942485390	0.132691900	1.020654534	0.014343248	1.25E-5	2.69E-7	1199.63	155.17	0.13	6796	0.873	0.853	0.853	0.960	1236.09	0.36	98.05	1.170	0.02
CN16-016	17B949_CN16_016_Zr2	12.545832260	3.785331464	0.309527208	1.100873929	0.014962947	4.20E-5	9.32E-7	298.83	90.16	0.30	1898	0.891	0.874	0.874	0.966	320.02	0.75	114.87	1.240	0.02
CN16-016	17B950_CN16_016_Zr3	4.581942565	1.199064864	0.268464848	0.956407369	0.013391974	9.92E-6	2.10E-7	461.99	120.90	0.26	2527	0.819	0.792	0.792	0.943	490.40	0.89	67.91	1.170	0.02
CN16-017	17B951_CN16_017_Zr1	11.019699880	3.716393491	0.345976273	1.149456620	0.015004440	1.27E-5	2.72E-7	864.40	291.52	0.34	5779	0.831	0.806	0.806	0.947	932.90	0.92	73.07	1.390	0.02
CN16-017	17B952_CN16_017_Zr2	5.379357264	1.352305010	0.257892469	1.183517404	0.015915190	9.82E-6	2.07E-7	547.93	137.74	0.25	3701	0.823	0.797	0.797	0.945	580.30	0.90	69.54	1.440	0.02
CN16-017	17B953_CN16_017_Zr3	5.279571045	0.666517072	0.129511112	1.089958444	0.015087067	5.48E-6	1.16E-7	964.27	121.73	0.13	5829	0.783	0.752	0.752	0.932	992.88	0.88	56.07	1.390	0.02
CN16-018	17B955_CN16_018_Zr1	3.083868847	0.798977047	0.265786424	1.266955975	0.017484304	7.62E-6	1.16E-7	404.56	104.82	0.26	2930	0.803	0.774	0.774	0.938	429.19	0.76	62.07	1.580	0.02
CN16-018	17B956_CN16_018_Zr2	6.750981254	1.698886833	0.258161776	1.423408265	0.019075500	5.91E-6	9.03E-8	1143.05	287.65	0.25	9286	0.797	0.767	0.767	0.936	1210.65	0.77	59.94	1.790	0.02
CN16-018	17B957_CN16_018_Zr3	9.060177946	2.133231939	0.241543715	1.434878639	0.019108299	1.03E-5	1.53E-7	876.57	206.39	0.24	7152	0.840	0.816	0.816	0.950	925.07	0.69	77.00	1.710	0.02
CN16-019	17B958_CN16_019_Zr1	3.097180617	0.727753758	0.241052875	2.116819961	0.028612079	4.60E-6	6.83E-8	673.33	158.22	0.23	8104	0.800	0.770	0.770	0.937	710.51	0.62	60.87	2.660	0.04
CN16-019	17B959_CN16_019_Zr2	7.102492613	0.908799933	0.131265890	2.166880505	0.029964930	1.16E-5	1.73E-7	613.18	78.46	0.13	7373	0.840	0.816	0.816	0.950	631.62	0.78	77.06	2.590	0.04
CN16-019	17B960_CN16_019_Zr3	15.156112370	3.801225390	0.257294319	2.157894192	0.029688103	1.49E-5	2.38E-7	1019.49	255.69	0.25	12554	0.845	0.821	0.821	0.951	1079.58	0.81	79.70	2.560	0.04
CN16-020	17B961_CN16_020_Zr1	2.105430337	0.799713311	0.389661807	3.178265814	0.043540972	8.58E-6	1.29E-7	245.42	93.22	0.38	4580	0.815	0.788	0.788	0.942	267.33	0.85	66.45	3.910	0.05
CN16-020	17B962_CN16_020_Zr2	3.311169562	1.424518571	0.441347922	3.193425986	0.042770047	1.53E-5	2.28E-7	216.87	93.30	0.43	4111	0.835	0.810	0.810	0.948	238.79	0.90	74.83	3.840	0.05
CN16-020	17B963_CN16_020_Zr3	6.126515159	3.843677889	0.643617531	3.457371117	0.044567770	1.83E-5	2.78E-7	335.30	210.36	0.63	7174	0.851	0.829	0.829	0.954	384.73	0.87	83.46	4.080	0.05
CN16-032	17B965_CN16_032_Zr1	2.439611794	1.997619157	0.840013686	4.467220050	0.064673320	6.85E-6	1.02E-7	356.04	291.54	0.82	10234	0.802	0.772	0.772	0.937	424.56	0.85	61.56	5.610	0.08
CN16-032	17B966_CN16_032_Zr2	0.691728388	0.436761986	0.647744337	3.731235938	0.058497548	2.72E-6	4.14E-8	254.58	160.75	0.63	5884	0.722	0.683	0.683	0.911	292.36	0.84	42.86	5.210	0.08
CN16-032	17B967_CN16_032_Zr3	3.264715039	0.970327984	0.304907192	4.412808473	0.067821531	5.08E-6	7.65E-8	642.99	191.11	0.30	16363	0.764	0.729	0.729	0.925	687.90	0.83	51.00	5.810	0.09
CN16-033	17B968_CN16_033_Zr1	5.026553830	1.470183812	0.300051423	4.080867515	0.062424747	1.19E-5	2.24E-7	423.32	123.82	0.29	9952	0.832	0.807	0.807	0.947	452.42	0.83	73.48	4.920	0.08
CN16-033	17B969_CN16_033_Zr2	4.490691426	1.179338827	0.269413761	4.737392319	0.073054349	7.60E-6	1.30E-7	591.11	155.24	0.26	16026	0.799	0.770	0.770	0.937	627.59	0.93	60.78	5.950	0.09
CN16-033	17B970_CN16_033_Zr3	4.661015128	2.029388414	0.446662051	3.968119319	0.059894043	4.28E-6	7.20E-8	1090.15	474.65	0.44	25710	0.741	0.704	0.704	0.917	1201.69	0.97	46.28	5.390	0.08
CN16-034	17B971_CN16_034_Zr1	5.025738327	1.085582839	0.221593741	4.700005126	0.063162020	6.61E-6	1.09E-7	760.30	164.23	0.22	20237	0.789	0.759	0.759	0.933	798.89	1.02	57.76	5.970	0.08
CN16-034	17B972_CN16_034_Zr2	4.545631111	1.391955192	0.314141605	3.835915873	0.050663371	1.01E-5	1.69E-7	447.91	137.16	0.31	9928	0.808	0.780	0.780	0.940	480.15	0.78	63.77	4.760	0.06
CN16-034	17B973_CN16_034_Zr3	10.330126540	1.447989447	0.143798431	3.806061905	0.051476218	6.66E-6	1.12E-7	1551.62	217.49	0.14	32868	0.808	0.780	0.780	0.940	1602.73	0.73	63.89	4.720	0.06
CN16-036	17C096_CN16_036_Zr1	21.151523140	1.958330615	0.094981442	1.754175694	0.024876897	2.09E-5	4.28E-7	1011.12	93.62	0.09	9762	0.862	0.841	0.841	0.957	1033.12	0.86	89.84	2.040	0.03
CN16-036	17C097_CN16_036_Zr2	5.636791111	2.461968955	0.448069129	1.769004971	0.023503112	1.57E-5	2.90E-7	358.79	156.71	0.44	3773	0.849	0.826	0.826	0.953	395.62	0.77	82.09	2.090	0.03
CN16-036	17C098_CN16_036_Zr3	1.721416764	0.848045591	0.505391071	1.716143909	0.023997641	8.55E-6	1.46E-7	201.40	99.22	0.49	2079	0.802	0.773	0.773	0.938	224.72	0.98	61.74	2.150	0.03
CN16-037	17C099_CN16_037_Zr1	3.684278986	1.909367285	0.531656784	0.904930128	0.012681988	1.34E-5	2.25E-7	274.00	142.00	0.52	1500	0.825	0.799	0.799	0.945	307.37	0.95	70.36	1.100	0.02
CN16-037	17C100_CN16_037_Zr2	2.212515801	1.136677654	0.527042131	0.962581258	0.013940201	9.04E-6	1.48E-7	244.88	125.81	0.51	1424	0.803	0.774	0.774	0.938	274.45	0.96	61.88	1.210	0.02
CN16-037	17C101_CN16_037_Zr3	4.813794828	1.560113335	0.332478039	0.910050267	0.012723914	7.95E-6	1.31E-7	605.57	196.26	0.32	3196	0.797	0.767	0.767	0.936	651.69	0.94	59.91	1.150	0.02
CN16-048	17C103_CN16_048_Zr1	5.157553766	7.743412227	1.540220884	0.802058864	0.009633658	1.46E-5	2.42E-7	353.65	530.96	1.50	2072	0.833	0.808	0.808	0.948	478.42	0.86	73.89	0.971	0.01
CN16-048	17C104_CN16_048_Zr2	6.068085597	8.440279437	1.426919650	0.808720367	0.009543180	1.02E-5	1.70E-7	593.92	826.10	1.39	3441	0.801	0.771	0.771	0.937	788.05	0.94	61.24	1.020	0.01
CN16-048	17C105_CN16_048_Zr3	5.476068991	13.043962850	2.443627669	0.561352648	0.006302448	1.35E-5	2.40E-7	406.16	967.48	2.38	1923	0.818	0.791	0.791	0.943	633.52	0.95	67.59	0.695	0.01
CN16-064	17C106_CN16_064_Zr1	4.721547806	0.488872585	0.106219850	0.013483560	0.001574914	4.39E-6	7.30E-8	1075.37	111.34	0.10	80	0.781	0.749	0.749	0.931	1101.53	0.71	55.38	0.020	0.00
CN16-064	17C107_CN16_064_Zr2	5.021975361	0.999778384	0.204231890	0.820391686	0.011539838	4.58E-6	7.57E-8	1095.82	218.16	0.20	5070	0.765	0.731	0.731	0.925	1147.09	0.78	51.34	1.080	0.02
CN16-064	17C108_CN16_064_Zr3	8.574952635	2.584125911	0.309155041	0.989002269	0.013224439	5.51E-6	9.06E-8	1557.45	469.35	0.30	8888	0.758	0.724	0.724	0.923	1667.75	1.10	49.86	1.310	0.02
CN16-069	17C109_CN16_069_Zr1	8.019443396	1.247005579	0.159521257	2.481538166	0.033663446	8.57E-6	1.41E-7	936.04	145.55	0.16	12972	0.820	0.793	0.793	0.943	970.24	0.67	68.16	3.030	0.04
CN16-069	17C110_CN16_069_Zr2	1.351560749	0.481711536	0.365633406	0.815289877	0.012517429	2.20E-6	3.62E-8	614.84	219.14	0.36	2928	0.729	0.691	0.691	0.913	666.34	0.75	44.00	1.130	0.02
CN16-069	17C111_CN16_069_Zr3	2.125804493	0.469519837	0.226581797	2.708829867	0.036710783	3.89E-6	6.45E-8	547.04	120.82	0.22	8400	0.758	0.723	0.723	0.923	575.43	0.96	49.71	3.590	0.05
CN16-092	18A005_CN16_092_Zr1	3.619275660	7.684837430	2.178248452	9.991165402	0.107142008	8.87E-6	1.47E-7	408.06	866.43	2.12	33050	0.807	0.779	0.779	0.939	611.67	0.81	63.41	12.540	0.14
CN16-092	18A006_CN16_092_Zr2	2.327620368	1.094458093	0.482371211	5.627451509	0.073429207	4.93E-6	8.17E-8	472.50	222.17	0.47	15924	0.792	0.762	0.762	0.934	524.71	0.67	58.65	7.140	0.09
CN16-092	18A007_CN16_092_Zr3	2.929528112	5.847523030	2.047710998	6.402859846	0.069161895	7.48E-6	1.25E-7	391.70	781.86	2.00	19917	0.818	0.792	0.792	0.943	575.44	0.71	67.63	7.910	0.09
CN16-102	18A008_CN16_102_Zr1	1.449715059	0.158494933	0.112157191	5.923082619	0.082970847	1.52E-6	2.52E-8	951.46	104.02	0.11	31149	0.680	0.637	0.637	0.897	975.91	0.92	36.69	8.740	0.12
CN16-102	18A009_CN16_102_Zr2	1.483715077	0.200213274	0.138432082	6.566890433	0.092187447	2.63E-6	4.42E-8	564.77	76.21	0.13	20622	0.726	0.687	0.687	0.912	582.68	0.83	43.43	9.080	0.13
CN16-102	18A010_CN16_102_Zr3	0.642824681	0.218066553	0.348009346	5.942823043	0.081796969	1.32E-6	2.15E-8	486.78	165.13	0.34	16841	0.717	0.677	0.677	0.909	525.59	0.54	41.95	8.340	0.12
CN16-103	18A011_CN16_103_Zr1	1.925962163	0.624165126	0.332465160	6.215164863	0.082910597	8.37E-6	1.35E-7	230.18	74.60	0.32	8301	0.789	0.759	0.759	0.933	247.71	0.87	57.76	7.910	0.11
CN16-103	18A012_CN16_103_Zr2	3.141403049	0.358377511	0.117033847	5.721497039	0.079469952	4.16E-6	6.90E-8	756.02	86.25	0.11	23934	0.757	0.722	0.722	0.923	776.29	0.81	49.50	7.580	0.11
CN16-103	18A013_CN16_103_Zr3	9.284584904	1.004273688	0.110964480	7.098352706	0.098129506	9.77E-6	1.81E-7	949.97	102.75	0.11	37265	0.836	0.811	0.811	0.949	974.12	0.74	75.10	8.510	0.12
CN16-084	18A021_CN16_084_Zr1	0.489542136	0.174620123	0.365930495	5.811302851	0.081962696	3.66E-6	5.92E-8	133.82	47.73	0.36	4544	0.777	0.745	0.745	0.929	145.04	0.64	54.41	7.510	0.11
CN16-084	18A022_CN16_084_Zr2	1.824916338	0.150870629	0.084811771	5.602947760	0.098730353	2.64E-6	4.40E-8	691.44	57.16	0.08	21280	0.762	0.727	0.727	0.924	704.88	0.71	50.55	7.380	0.13
CN16-084	18A023_CN16_084_Zr3	0.000588565	0.000478973	0.834854954	8.527114456	4.801242291	2.74E-10	8.36E-10	2151.46	1750.86	0.81	117963	0.657	0.610	0.610	0.888	2562.92	0.00	33.85	13.160	7.43