Enhanced flux of extraterrestrial 3He across the Permian–Triassic boundary

Onoue, Tetsuji; Takahata, Naoto; Miura, Mitsutaka; Sato, Honami; Ishikawa, Akira; Soda, Katsuhito; Sano, Yuji; Isozaki, Yukio

doi:10.1186/s40645-019-0267-0

Progress in Earth and Planetary Science

Table 2 PGE concentrations in claystone samples from the Waidani section

From: Enhanced flux of extraterrestrial ³He across the Permian–Triassic boundary

Sample	Height (m)	Ir (ppb ± 2SE)	Ru (ppb ± 2SE)	Pt (ppb ± 2SE)	Pd (ppb ± 2SE)	Re (ppb ± 2SE)
NF-62	0.88	0.085 ± 0.021	0.117 ± 0.007	2.92 ± 0.14	3.09 ± 0.17	12.5 ± 0.3
NF-51 K	0.60	0.062 ± 0.023	0.114 ± 0.009	3.97 ± 0.19	3.07 ± 0.20	44.9 ± 1.7
NF-51I	0.30	0.052 ± 0.022	0.089 ± 0.007	2.64 ± 0.12	2.05 ± 0.11	18.5 ± 0.4
NF-51G	0.12	0.114 ± 0.021	0.094 ± 0.008	3.15 ± 0.13	1.85 ± 0.35	10.7 ± 0.2
NF-51D	0.00	0.154 ± 0.022	0.151 ± 0.009	2.65 ± 0.13	1.13 ± 0.17	1.01 ± 0.02
NF-51A	− 0.10	0.076 ± 0.024	0.123 ± 0.007	3.84 ± 0.18	1.72 ± 0.43	1.42 ± 0.03
NF-48B	−0.33	0.339 ± 0.042	0.365 ± 0.009	11.3 ± 0.3	7.71 ± 0.28	0.366 ± 0.009
NF-45B	−0.53	0.479 ± 0.031	0.180 ± 0.007	14.7 ± 0.4	6.28 ± 0.25	0.079 ± 0.006
NF-41B	−0.76	0.484 ± 0.035	0.242 ± 0.007	15.4 ± 0.5	6.97 ± 0.32	0.179 ± 0.008
NF-37B	−0.90	0.290 ± 0.033	0.155 ± 0.008	16.9 ± 0.4	7.16 ± 0.25	0.081 ± 0.005
NF-32B	−1.11	0.186 ± 0.023	0.188 ± 0.008	19.8 ± 0.5	10.9 ± 0.5	0.106 ± 0.006
NF-29B	− 1.25	0.082 ± 0.021	0.075 ± 0.007	9.04 ± 0.28	6.47 ± 0.23	0.074 ± 0.005
NF-25B	− 1.42	0.074 ± 0.020	0.093 ± 0.006	11.4 ± 0.4	9.46 ± 0.37	0.072 ± 0.005
NF-24B	−1.50	0.143 ± 0.021	0.159 ± 0.007	5.25 ± 0.18	6.41 ± 0.24	0.077 ± 0.006
NF-23B	−1.56	0.083 ± 0.026	0.085 ± 0.007	4.23 ± 0.18	4.34 ± 0.21	0.098 ± 0.007
NF-21B	−1.63	0.057 ± 0.024	0.032 ± 0.007	1.91 ± 0.11	1.84 ± 0.10	0.048 ± 0.005
NF-17B	− 1.82	0.091 ± 0.020	0.064 ± 0.008	3.54 ± 0.15	2.35 ± 0.18	0.055 ± 0.005
NF-12B	−2.01	0.126 ± 0.022	0.118 ± 0.006	4.61 ± 0.15	3.67 ± 0.14	0.045 ± 0.005
NF-11B	−2.08	0.090 ± 0.019	0.093 ± 0.007	3.69 ± 0.13	3.43 ± 0.14	0.041 ± 0.006

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