Age constraints on island-arc submarine basalts from geomagnetic paleointensity

Usui, Yoichi; McIntosh, Iona; Ishizuka, Osamu

doi:10.1186/s40623-024-01980-2

Earth, Planets and Space

Table 3 Tsunakawa–Shaw paleointensity data

From: Age constraints on island-arc submarine basalts from geomagnetic paleointensity

Sample	First heating									Second heating							Sample average paleointensity (μT)	Standard deviation (μT)
Sample	Specimen	Ridge	L (mT)	H (mT)	R_NRM-TRM1*	Slope_NRM-TRM1*	R_ARM0-ARM1	slope_ARM0-ARM1	NRM fraction	B_anc (μT)	L (mT)	H (mT)	R_NRM1-TRM2*	Slope_TRM1-TRM2*	R_ARM1-ARM2	Slope_ARM1-ARM2	Sample average paleointensity (μT)	Standard deviation (μT)
HPD#997-R08	1	SE1	0.1	150	0.998	0.981	0.997	1.084	1.10	49.1	0	150	0.998	1.017	0.998	0.995
HPD#997-R08	2	SE1	0	150	0.997	1.108	0.997	1.026	0.97	55.4	0	150	0.999	1.043	0.999	0.969
HPD#997-R08	3	SE1	0	150	1.000	0.809	0.999	0.982	1.10	40.4	0	150	0.999	1.034	0.997	1.097	HPD#997-R08
HPD#997-R09	1	SE1	55	150	0.999	0.705	0.999	0.918	0.64	35.3	0	150	0.999	0.976	1.000	1.009	48.3	7.5
HPD#997-R09	2	SE1	40	150	0.999	0.816	1.000	0.935	0.85	40.8	5	150	1.000	1.036	1.000	0.999
HPD#997-R09	3	SE1	40	150	0.999	0.752	1.000	0.936	0.76	37.6	0.1	150	1.000	0.998	1.000	1.000	HPD#997-R09
HPD#997-R09	4	SE1	55	150	0.997	0.660	1.000	0.938	0.45	33.0	0	150	1.000	0.995	1.000	1.001	36.7	3.3
HPD#999-R10	1	SE2	25	150	0.999	0.719	1.000	0.965	0.44	35.9	0	150	1.000	1.009	0.998	0.994
HPD#999-R10	2	SE2	20	150	0.997	0.711	0.998	0.940	0.56	35.5	0	150	0.999	1.050	0.996	1.011
HPD#999-R10	3	SE2	30	150	0.999	0.764	1.000	0.908	0.34	38.2	0	150	1.000	1.072	0.998	1.003	HPD#999-R10
HPD#999-R10	4	SE2	30	150	0.996	0.799	0.998	0.925	0.37	40.0	0	150	1.000	1.031	0.998	0.987	38.0	NA
HPD#1004-R06	1	SE2	30	150	1.000	1.089	0.999	0.966	1.00	54.4	0	150	0.998	1.063	1.000	0.964
HPD#1004-R06	2	SE2	35	150	0.999	1.145	0.999	1.021	0.86	57.3	0.1	150	1.000	1.049	0.999	0.975	HPD#1004-R06
HPD#1004-R06	3	SE2	15	150	1.000	1.243	0.999	0.921	1.03	62.2	0.1	150	1.000	1.035	1.000	0.993	59.7	NA
HPD#1000-R09	1	SE3	15	150	0.994	1.208	0.999	0.927	0.32	60.4	5	150	0.997	1.050	1.000	0.995
HPD#1000-R09	2	SE3	25	150	0.999	1.104	1.000	0.906	0.55	55.2	0	150	0.999	1.090	1.000	0.979
HPD#1000-R09	3	SE3	20	150	0.997	1.082	0.999	0.922	0.38	54.1	10	150	0.995	1.070	0.995	0.989	HPD#1000-R09
HPD#1000-R09	4	SE3	30	150	0.998	1.087	0.999	0.898	0.54	54.4	0	150	0.999	1.093	1.000	0.973	NA	NA
HPD#1000-R10	1	SE3	15	150	0.998	1.154	1.000	0.913	0.64	57.7	0.1	150	0.999	1.065	1.000	0.952
HPD#1000-R10	2	SE3	20	150	0.998	1.278	0.999	0.930	0.38	63.9	0	150	0.996	1.027	0.999	0.936
HPD#1000-R10	3	SE3	20	150	0.997	1.159	0.998	0.966	0.42	58.0	0.1	150	0.995	0.985	0.999	0.939	HPD#1000-R10
HPD#1000-R10	4	SE3	30	150	0.996	1.158	0.997	0.904	0.33	57.9	0	150	0.990	1.028	0.999	0.940	60.9	NA

L lower field end for the calculation, H Higher field end for the calculation, R correlation coefficient, B_anc Estimated paleointensity (μT). Black bold italic signifies values that failed the criteria and the corresponding paleointensity

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