Citation:

PANGAEA.938094

Name: Thorium, Uranium and Lead isotopic and geochronologic data for zircon crystals following LA-ICP-MS analysis
Published: 2021-11-11
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Afro-Arabian; ignimbrite; large igneous province; zircon

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Published: 2021-11-11 • DOI registered: 2021-12-30

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Keyword(s):

Afro-Arabian; ignimbrite; large igneous province; zircon

Related to:

Thines, Jennifer E; Ukstins, Ingrid Anne; Wall, Corey; Schmitz, Mark (2021): Volumetric extrusive rates of silicic supereruptions from the Afro-Arabian large igneous province. Nature Communications, 12(1), https://doi.org/10.1038/s41467-021-26468-5

Funding:

National Science Foundation (NSF), grant/award no. EAR-1759200 : Collaborative Research: AGeS2 (Awards for Geochronology Student research) Program: Democratizing access to geochronology and promoting interdisciplinary science

National Science Foundation (NSF), grant/award no. EAR-1759353 : Collaborative Research: AGeS2 (Awards for Geochronology Student research) Program: Democratizing access to geochronology and promoting interdisciplinary science

Coverage:

Median Latitude: 15.249545 * Median Longitude: 44.097121 * South-bound Latitude: 15.160000 * West-bound Longitude: 43.945000 * North-bound Latitude: 15.480000 * East-bound Longitude: 44.416667

Event(s):

Yemen_Bayt_Baws * Latitude: 15.275000 * Longitude: 44.188333 * Location: Northern Yemen * Method/Device: Rock sample (ROCK)

Yemen_Escarpment * Latitude: 15.160000 * Longitude: 43.945000 * Location: Northern Yemen * Method/Device: Rock sample (ROCK)

Yemen_Jabal_Kura * Latitude: 15.480000 * Longitude: 44.416667 * Location: Northern Yemen * Method/Device: Rock sample (ROCK)

Comment:

Individial CA-TIMS ages of analyses in red were excluded from the final age calculation.

(a) z1, z2 etc. are labels for single zircon grains or fragments annealed and chemically abraded after Mattinson (2005; doi:10.1016/j.chemgeo.2005.03.011). Data marked in red were not used for final 206Pb/238U date calculations.

(b) Model Th/U ratio iteratively calculated from the radiogenic 208Pb/206Pb ratio and 206Pb/238U age.

(c) Pb* and Pbc represent radiogenic and common Pb, respectively; mol % 206Pb* with respect to radiogenic, blank and initial common Pb.

(d) Measured ratio corrected for spike and fractionation only. Fractionation estimated at 0.17 +/- 0.03 %/a.m.u. for Daly analyses, based on analysis of NBS-981 and NBS-982.

(e) Corrected for fractionation, spike, and common Pb; all common Pb was assumed to be procedural blank: 206Pb/204Pb = 18.042 ± 0.61%; 207Pb/204Pb = 15.537 ± 0.52%; 208Pb/204Pb = 37.686 ± 0.63% (all uncertainties 1-sigma).

(f) Errors are 2-sigma, propagated using the algorithms of Schmitz and Schoene (2007; doi:10.1029/2006GC001492).

(g) Calculations are based on the decay constants of Jaffey et al. (1971; doi:10.1103/PhysRevC.4.1889). 206Pb/238U and 207Pb/206Pb ages corrected for initial disequilibrium in 230Th/238U using Th/U [magma] = 3.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event		Thines, Jennifer E
2	Unit	Unit		Thines, Jennifer E
3	Location	Location		Thines, Jennifer E
4	LATITUDE	Latitude		Thines, Jennifer E		Geocode
5	LONGITUDE	Longitude		Thines, Jennifer E		Geocode
6	Sample ID	Sample ID		Thines, Jennifer E		(a)
7	Thorium/Uranium ratio	Th/U		Thines, Jennifer E	See description in dataset comment	(b)
8	Parameter	Parameter	arbitrary units	Thines, Jennifer E	See description in dataset comment	206Pb* (x10-13 mol) (c)
9	Parameter	Parameter	arbitrary units	Thines, Jennifer E	See description in dataset comment	206Pb* (mol %) (c)
10	Parameter	Parameter	arbitrary units	Thines, Jennifer E	See description in dataset comment	Pb*/Pb (c)
11	Lead	Pb	pg	Thines, Jennifer E	See description in dataset comment	(c)
12	Lead-206/Lead-204 ratio	206Pb/204Pb		Thines, Jennifer E	See description in dataset comment	(d)
13	Lead-208/Lead-206 ratio	208Pb/206Pb		Thines, Jennifer E	See description in dataset comment	(e)
14	Lead-207/Lead-206 ratio	207Pb/206Pb		Thines, Jennifer E	See description in dataset comment	(e)
15	Lead-207/Lead-206 ratio, error, relative	207Pb/206Pb e rel	%	Thines, Jennifer E	See description in dataset comment	(f)
16	Lead-207/Uranium-235 ratio	207Pb/235U		Thines, Jennifer E	See description in dataset comment	(e)
17	Lead-207/Uranium-235 ratio, error, relative	207Pb/235U e rel	%	Thines, Jennifer E	See description in dataset comment	(f)
18	Lead-206/Uranium-238 ratio	206Pb/238U		Thines, Jennifer E	See description in dataset comment	(e)
19	Lead-206/Uranium-238 ratio, error, relative	206Pb/238U e rel	%	Thines, Jennifer E	See description in dataset comment	(f)
20	Coefficient	Coeff		Thines, Jennifer E	See description in dataset comment
21	Lead-207/Lead-206 ratio	207Pb/206Pb		Thines, Jennifer E	See description in dataset comment	(g)
22	Lead-207/Lead-206 ratio, error	207Pb/206Pb e	±	Thines, Jennifer E	See description in dataset comment	(f)
23	Lead-207/Uranium-235 ratio	207Pb/235U		Thines, Jennifer E	See description in dataset comment	(g)
24	Lead-207/Uranium-235 ratio, error	207Pb/235U e	±	Thines, Jennifer E	See description in dataset comment	(f)
25	Lead-206/Uranium-238 ratio	206Pb/238U		Thines, Jennifer E	See description in dataset comment	(g)
26	Lead-206/Uranium-238 ratio, error	206Pb/238U e	±	Thines, Jennifer E	See description in dataset comment	(f)
27	Sample comment	Sample comment		Thines, Jennifer E

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

772 data points

Data

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

1 Event	2 Unit	3 Location	4 Latitude	5 Longitude	6 Sample ID ((a))	7 Th/U ((b))	8 Parameter [arbitrary units] (206Pb* (x10-13 mol) (c))	9 Parameter [arbitrary units] (206Pb* (mol %) (c))	10 Parameter [arbitrary units] (Pb*/Pb (c))	11 Pb [pg] ((c))	12 206Pb/204Pb ((d))	13 208Pb/206Pb ((e))	14 207Pb/206Pb ((e))	15 207Pb/206Pb e rel [%] ((f))	16 207Pb/235U ((e))	17 207Pb/235U e rel [%] ((f))	18 206Pb/238U ((e))	19 206Pb/238U e rel [%] ((f))	20 Coeff	21 207Pb/206Pb ((g))	22 207Pb/206Pb e [±] ((f))	23 207Pb/235U ((g))	24 207Pb/235U e [±] ((f))	25 206Pb/238U ((g))	26 206Pb/238U e [±] ((f))	27 Sample comment
Yemen_Jabal_Kura	Escarpment Ignimbrite	Jabal Kura'a	15.480	44.416667	z1	0.535	0.0103	76.6300	1.0000	0.26	77	0.172	0.0480	20.492	0.030641	20.680	0.004632	0.514	0.377	98.1600	484.28	30.65	6.240	29.790000	0.153
Yemen_Jabal_Kura	Escarpment Ignimbrite	Jabal Kura'a	15.480	44.416667	z2	0.623	0.0635	95.0200	6.0000	0.28	362	0.201	0.0465	1.587	0.029671	1.666	0.004624	0.105	0.808	25.7900	38.02	29.69	0.490	29.737000	0.031
Yemen_Jabal_Kura	Escarpment Ignimbrite	Jabal Kura'a	15.480	44.416667	z3	0.494	0.0083	80.6200	1.0000	0.16	93	0.159	0.0468	31.795	0.029851	31.872	0.004628	0.405	0.197	38.0900	759.89	29.87	9.380	29.764000	0.120
Yemen_Jabal_Kura	Escarpment Ignimbrite	Jabal Kura'a	15.480	44.416667	z4	0.738	0.0287	91.2900	3.0000	0.23	207	0.237	0.0472	7.171	0.030143	7.249	0.004631	0.206	0.397	59.4500	170.70	30.15	2.150	29.787000	0.061
Yemen_Jabal_Kura	Escarpment Ignimbrite	Jabal Kura'a	15.480	44.416667	z7	0.488	0.0160	83.8800	2.0000	0.26	112	0.157	0.0469	20.078	0.029934	20.157	0.004626	0.330	0.249	45.4800	479.19	29.95	5.950	29.755000	0.098
Yemen_Jabal_Kura	Escarpment Ignimbrite	Jabal Kura'a	15.480	44.416667	z9	0.493	0.0159	93.7500	4.0000	0.09	289	0.159	0.0465	11.030	0.029651	11.064	0.004629	0.165	0.216	21.3900	264.45	29.67	3.240	29.771000	0.049
Yemen_Escarpment	Upper SAM Ignimbrite	Escarpment	15.160	43.945000	z1	0.568	0.1938	97.6700	13.0000	0.38	776	0.183	0.0470	0.628	0.029941	0.664	0.004622	0.071	0.620	48.1100	14.98	29.96	0.200	29.729000	0.021
Yemen_Escarpment	Upper SAM Ignimbrite	Escarpment	15.160	43.945000	z3	0.353	0.0204	85.5900	2.0000	0.29	125	0.114	0.0466	6.963	0.029730	7.132	0.004625	0.279	0.620	29.9900	166.68	29.75	2.090	29.745000	0.083
Yemen_Escarpment	Upper SAM Ignimbrite	Escarpment	15.160	43.945000	z4	0.658	0.0428	92.2100	4.0000	0.30	231	0.212	0.0472	2.931	0.030111	3.057	0.004622	0.151	0.866	61.8500	69.73	30.12	0.910	29.730000	0.040
Yemen_Escarpment	Upper SAM Ignimbrite	Escarpment	15.160	43.945000	z5	1.224	0.0180	83.6900	2.0000	0.29	111	0.394	0.0451	15.876	0.028719	15.994	0.004620	0.379	0.322	-51.3400	385.93	28.75	4.530	29.717000	0.113
Yemen_Escarpment	Upper SAM Ignimbrite	Escarpment	15.160	43.945000	z8	0.476	0.0164	89.4600	3.0000	0.16	171	0.153	0.0399	7.999	0.025441	8.096	0.004625	0.212	0.472	-357.8000	206.52	25.51	2.040	29.747000	0.063
Yemen_Escarpment	Upper SAM Ignimbrite	Escarpment	15.160	43.945000	z9	0.440	0.0165	87.8200	2.0000	0.19	148	0.141	0.0448	16.008	0.028514	16.198	0.004616	0.414	0.470	-66.5700	390.27	28.55	4.560	29.690000	0.123
Yemen_Escarpment	Upper SAM Ignimbrite	Escarpment	15.160	43.945000	z10	0.737	0.0048	71.7900	1.0000	0.16	64	0.237	0.0385	116.025	0.024455	116.096	0.004610	0.696	0.105	-452.3400	3053.84	24.53	28.140	29.649000	0.206
Yemen_Escarpment	Upper SAM Ignimbrite	Escarpment	15.160	43.945000	z11	0.660	0.0135	84.2600	2.0000	0.21	115	0.212	0.0501	21.127	0.031873	21.251	0.004614	0.417	0.307	199.9000	490.03	31.86	6.670	29.673000	0.123
Yemen_Escarpment	Upper SAM Ignimbrite	Escarpment	15.160	43.945000	z13	0.560	0.0106	83.6700	2.0000	0.17	110	0.180	0.0482	13.484	0.030934	13.599	0.004656	0.351	0.341	108.3300	318.07	30.93	4.140	29.946000	0.105	Individial CA-TIMS ages of analyses were excluded from the final age calculation.
Yemen_Escarpment	Sana'a Ignimbrite	Escarpment	15.160	43.945000	z1	0.417	0.1367	98.0900	15.0000	0.22	944	0.134	0.0467	0.702	0.029847	0.742	0.004633	0.072	0.661	35.0400	16.79	29.86	0.220	29.799000	0.021	Individial CA-TIMS ages of analyses were excluded from the final age calculation.
Yemen_Escarpment	Sana'a Ignimbrite	Escarpment	15.160	43.945000	z2	0.440	2.8674	99.9000	291.0000	0.24	17764	0.142	0.0468	0.061	0.029920	0.086	0.004639	0.065	0.707	37.7400	1.46	29.94	0.030	29.838000	0.019	Individial CA-TIMS ages of analyses were excluded from the final age calculation.
Yemen_Escarpment	Sana'a Ignimbrite	Escarpment	15.160	43.945000	z3	0.387	0.0295	90.5200	3.0000	0.26	190	0.124	0.0468	5.192	0.029905	5.298	0.004636	0.196	0.567	38.3000	124.08	29.92	1.560	29.816000	0.058	Individial CA-TIMS ages of analyses were excluded from the final age calculation.
Yemen_Escarpment	Sana'a Ignimbrite	Escarpment	15.160	43.945000	z4	0.489	0.0340	95.1400	6.0000	0.14	371	0.157	0.0464	1.824	0.029527	1.902	0.004616	0.209	0.425	17.9600	43.76	29.55	0.550	29.690000	0.062
Yemen_Escarpment	Sana'a Ignimbrite	Escarpment	15.160	43.945000	z5	0.506	0.0467	91.5400	3.0000	0.36	213	0.163	0.0466	2.818	0.029673	2.938	0.004622	0.188	0.664	26.6700	67.50	29.69	0.860	29.728000	0.056
Yemen_Escarpment	Sana'a Ignimbrite	Escarpment	15.160	43.945000	z6	0.362	0.0119	81.9400	1.0000	0.22	100	0.116	0.0466	31.268	0.029598	31.361	0.004605	0.548	0.178	29.5100	748.51	29.62	9.150	29.618000	0.162
Yemen_Escarpment	Sana'a Ignimbrite	Escarpment	15.160	43.945000	z7	0.550	0.0211	88.7400	2.0000	0.22	160	0.177	0.0466	8.264	0.029687	8.343	0.004623	0.241	0.346	27.6100	197.89	29.70	2.440	29.730000	0.071
Yemen_Escarpment	Sana'a Ignimbrite	Escarpment	15.160	43.945000	z8	0.554	0.0865	97.9900	15.0000	0.15	899	0.178	0.0464	0.917	0.029562	0.974	0.004617	0.134	0.496	20.3600	21.99	29.58	0.280	29.696000	0.040
Yemen_Escarpment	Sana'a Ignimbrite	Escarpment	15.160	43.945000	z9	0.513	0.0405	93.5300	4.0000	0.23	279	0.165	0.0471	3.146	0.030038	3.260	0.004623	0.274	0.454	55.5700	74.93	30.05	0.970	29.732000	0.081
Yemen_Bayt_Baws	Iftar Alkalb	Bayt Baws	15.275	44.188333	z1	0.907	0.0120	85.6600	2.0000	0.17	126	0.292	0.0466	43.040	0.030057	43.070	0.004676	0.295	0.105	29.7100	1030.28	30.07	12.760	30.074000	0.089	Individial CA-TIMS ages of analyses were excluded from the final age calculation.
Yemen_Bayt_Baws	Iftar Alkalb	Bayt Baws	15.275	44.188333	z2	1.094	0.0462	96.1400	9.0000	0.15	468	0.352	0.0466	1.367	0.030066	1.412	0.004678	0.083	0.616	29.5800	32.73	30.08	0.420	30.084000	0.025	Individial CA-TIMS ages of analyses were excluded from the final age calculation.
Yemen_Bayt_Baws	Iftar Alkalb	Bayt Baws	15.275	44.188333	z3	0.555	0.1643	98.6300	22.0000	0.19	1316	0.179	0.0468	0.360	0.030129	0.381	0.004668	0.054	0.566	39.4800	8.59	30.14	0.110	30.024000	0.016	Individial CA-TIMS ages of analyses were excluded from the final age calculation.
Yemen_Bayt_Baws	Iftar Alkalb	Bayt Baws	15.275	44.188333	z4	0.726	0.0138	88.1000	2.0000	0.15	152	0.234	0.0466	9.339	0.030021	9.415	0.004669	0.223	0.356	30.5200	223.52	30.03	2.790	30.028000	0.067	Individial CA-TIMS ages of analyses were excluded from the final age calculation.
Yemen_Bayt_Baws	Iftar Alkalb	Bayt Baws	15.275	44.188333	z5	0.981	0.0330	94.7700	6.0000	0.15	345	0.316	0.0468	3.160	0.030160	3.209	0.004674	0.109	0.482	39.1100	75.52	30.17	0.950	30.059000	0.033	Individial CA-TIMS ages of analyses were excluded from the final age calculation.
Yemen_Bayt_Baws	Iftar Alkalb	Bayt Baws	15.275	44.188333	z6	0.737	0.0373	94.1400	5.0000	0.19	308	0.237	0.0482	2.518	0.031182	2.627	0.004687	0.209	0.556	111.4400	59.37	31.18	0.810	30.145000	0.063	Individial CA-TIMS ages of analyses were excluded from the final age calculation.
Yemen_Bayt_Baws	Iftar Alkalb	Bayt Baws	15.275	44.188333	z7	0.992	0.0244	92.3800	4.0000	0.17	237	0.319	0.0484	3.476	0.031455	3.615	0.004715	0.312	0.483	118.3600	81.84	31.45	1.120	30.320000	0.094	Individial CA-TIMS ages of analyses were excluded from the final age calculation.
Yemen_Bayt_Baws	Iftar Alkalb	Bayt Baws	15.275	44.188333	z9	0.510	0.6455	99.2300	39.0000	0.42	2345	0.164	0.0467	0.209	0.030057	0.226	0.004670	0.055	0.486	33.0100	5.01	30.07	0.070	30.033000	0.016	Individial CA-TIMS ages of analyses were excluded from the final age calculation.
Yemen_Bayt_Baws	Iftar Alkalb	Bayt Baws	15.275	44.188333	z10	0.439	0.0144	86.4200	2.0000	0.19	133	0.141	0.0467	12.457	0.029773	12.538	0.004623	0.301	0.281	34.5700	297.92	29.79	3.680	29.731000	0.089	Individial CA-TIMS ages of analyses were excluded from the final age calculation.