Table T1.

Table T1. Results of X-ray diffraction and radionuclide analyses.

Sample Leg, hole, core,
section, interval (cm) Depth (mbsf) Mineralogy ²³²Th
(dpm/g) ²³⁰Th
(dpm/g) ²³⁸U
(dpm/g) ²³⁴U
(dpm/g) ²³¹Pa
(dpm/g)

1
139-856D-1H-1, 27-30
0.28
Py, M
ND
1.43 ± 0.07
16.8 ± 0.47
18.6 ± 0.80
0.123 ± 0.010

2
139-856G-1R-3, 94-96
3.95
Py, M
ND
1.08 ± 0.05
11.8 ± 0.29
13.4 ± 0.40
NA

ND
1.09 ± 0.06
10.4 ± 0.26
11.9 ± 0.70
0.102 ± 0.007

3
139-856G-4R-1, 116-118
28.17
Py, Mg
ND
1.90 ± 0.07
7.63 ± 0.35
8.48 ± 0.44
NA

4
139-856G-6R-3, 41-43
55.30
Py
ND
0.80 ± 0.03
1.25 ± 0.08
1.29 ± 0.06
NA

5
139-856G-7R-4, 41-43
60.52
Py
ND
6.39 ± 0.30
5.52 ± 0.11
6.27 ± 0.20
NA

6
139-856H-1R-3, 51-57
3.54
Py
ND
1.34 ± 0.05
11.1 ± 0.20
12.7 ± 0.50
NA

ND
1.36 ± 0.08
10.9 ± 0.19
13.2 ± 0.30
NA*

7
139-856H-2R-1, 36-38
13.87
Py, Mg
ND
2.50 ± 0.08
13.5 ± 0.38
15.6 ± 0.60
0.151 ± 0.018

8
139-856H-15R-1, 68-70
81.19
Pyr
0.082 ± 0.017
6.23 ± 0.22
8.21 ± 0.24
8.80 ± 0.31
0.267 ± 0.015

9
169-858G-17W-1, 79-80
0.79
Goe, M
ND
ND
NA*
NA*
NA

10
169-1035C-4X-1, 6-12
29.76
Py, M, Q
ND
0.58 ± 0.03
1.07 ± 0.06
1.26 ± 0.06
0.024 ± 0.004

11
169-1035C-5X-1, 6-19
39.40
M, Py
ND
0.76 ± 0.04
1.11 ± 0.06
1.31 ± 0.05
NA

ND
0.80 ± 0.05
1.22 ± 0.08
1.41 ± 0.08
0.059 ± 0.003

12
169-1035D-7X-CC, 21-24
48.31
Py
ND
2.50 ± 0.14
2.83 ± 0.14
3.20 ± 0.16
NA

ND
2.58 ± 0.13
3.03 ± 0.14
3.38 ± 0.14
0.081 ± 0.010

13
169-1035D-10X-1, 77-79
67.30
Py, M, Q
0.058 ± 0.013
3.91 ± 0.14
4.70 ± 0.26
5.20 ± 0.29
0.161 ± 0.012

0.078 ± 0.014
3.75 ± 0.13
4.45 ± 0.24
5.06 ± 0.26
0.160 ± 0.011

14
169-1035F-3R-1, 5-6
22.55
Py, M
ND
4.01 ± 0.24
5.65 ± 0.33
6.13 ± 0.38
0.200 ± 0.011

15
169-1035F-5R-1, 6-7
41.8
Py, M, Q
ND
16.6 ± 0.64
20.7 ± 0.90
23.5 ± 1.00
NA

ND
16.5 ± 0.72
20.1 ± 0.60
22.3 ± 1.10
0.695 ± 0.038

0.148 ± 0.030
15.6 ± 0.40
19.0 ± 1.20
22.6 ± 1.30
NA*

16
169-1035F-6R-1, 1-3
51.41
Py, M, Mg, B
ND
2.59 ± 0.15
NA*
NA*
NA

ND
2.50 ± 0.13
3.29 ± 0.16
3.62 ± 0.16
NA

17
169-1035F-8R-1, 75-77
71.35
Py, M
ND
18.6 ± 0.60
NA*
NA*
NA

0.086 ± 0.011
19.5 ± 0.40
23.2 ± 0.57
24.4 ± 1.00
1.17 ± 0.055

18
169-1035G-2R-1, 4-6
44.44
Py, M
ND
3.24 ± 0.21
2.49 ± 0.16
3.12 ± 0.21
NA

19
169-1038H-1X-1, 10-12
0.10
Pyr
ND
ND
NA*
NA*
NA

ND
ND
NA*
NA*
NA

20
169-1035H-2R-1, 26-29
9.06
Py, Ch, M
ND
0.41 ± 0.03
0.98 ± 0.05
1.19 ± 0.06
NA

0.32 ± 0.02
0.92 ± 0.06
1.07 ± 0.06
NA

21
169-1035H-9R-1, 39-43
74.99
Py, M
ND
0.90 ± 0.04
1.05 ± 0.10
1.09 ± 0.09
NA

22
169-1035H-15R-1, 6-8
127.66
Pyr
ND
1.14 ± 0.05
NA*
NA*
NA

ND
0.95 ± 0.05
1.11 ± 0.07
1.18 ± 0.06
0.017 ± 0.003

ND
0.98 ± 0.04
1.11 ± 0.07
1.19 ± 0.06
NA*

23
169-1035H-16R-1, 74-77
133.34
Py, Pyr
ND
1.85 ± 0.07
1.95 ± 0.10
2.12 ± 0.11
NA

24
169-1035H-19R-1, 49-53
161.99
Py, Pyr
ND
4.50 ± 0.25
4.28 ± 0.19
4.65 ± 0.24
NA

Sample	Leg, hole, core, section, interval (cm)	Depth (mbsf)	Mineralogy	²³²Th (dpm/g)	²³⁰Th (dpm/g)	²³⁸U (dpm/g)	²³⁴U (dpm/g)	²³¹Pa (dpm/g)
1	139-856D-1H-1, 27-30	0.28	Py, M	ND	1.43 ± 0.07	16.8 ± 0.47	18.6 ± 0.80	0.123 ± 0.010
2	139-856G-1R-3, 94-96	3.95	Py, M	ND	1.08 ± 0.05	11.8 ± 0.29	13.4 ± 0.40	NA
				ND	1.09 ± 0.06	10.4 ± 0.26	11.9 ± 0.70	0.102 ± 0.007
3	139-856G-4R-1, 116-118	28.17	Py, Mg	ND	1.90 ± 0.07	7.63 ± 0.35	8.48 ± 0.44	NA
4	139-856G-6R-3, 41-43	55.30	Py	ND	0.80 ± 0.03	1.25 ± 0.08	1.29 ± 0.06	NA
5	139-856G-7R-4, 41-43	60.52	Py	ND	6.39 ± 0.30	5.52 ± 0.11	6.27 ± 0.20	NA
6	139-856H-1R-3, 51-57	3.54	Py	ND	1.34 ± 0.05	11.1 ± 0.20	12.7 ± 0.50	NA
				ND	1.36 ± 0.08	10.9 ± 0.19	13.2 ± 0.30	NA*
7	139-856H-2R-1, 36-38	13.87	Py, Mg	ND	2.50 ± 0.08	13.5 ± 0.38	15.6 ± 0.60	0.151 ± 0.018
8	139-856H-15R-1, 68-70	81.19	Pyr	0.082 ± 0.017	6.23 ± 0.22	8.21 ± 0.24	8.80 ± 0.31	0.267 ± 0.015
9	169-858G-17W-1, 79-80	0.79	Goe, M	ND	ND	NA*	NA*	NA
10	169-1035C-4X-1, 6-12	29.76	Py, M, Q	ND	0.58 ± 0.03	1.07 ± 0.06	1.26 ± 0.06	0.024 ± 0.004
11	169-1035C-5X-1, 6-19	39.40	M, Py	ND	0.76 ± 0.04	1.11 ± 0.06	1.31 ± 0.05	NA
				ND	0.80 ± 0.05	1.22 ± 0.08	1.41 ± 0.08	0.059 ± 0.003
12	169-1035D-7X-CC, 21-24	48.31	Py	ND	2.50 ± 0.14	2.83 ± 0.14	3.20 ± 0.16	NA
				ND	2.58 ± 0.13	3.03 ± 0.14	3.38 ± 0.14	0.081 ± 0.010
13	169-1035D-10X-1, 77-79	67.30	Py, M, Q	0.058 ± 0.013	3.91 ± 0.14	4.70 ± 0.26	5.20 ± 0.29	0.161 ± 0.012
				0.078 ± 0.014	3.75 ± 0.13	4.45 ± 0.24	5.06 ± 0.26	0.160 ± 0.011
14	169-1035F-3R-1, 5-6	22.55	Py, M	ND	4.01 ± 0.24	5.65 ± 0.33	6.13 ± 0.38	0.200 ± 0.011
15	169-1035F-5R-1, 6-7	41.8	Py, M, Q	ND	16.6 ± 0.64	20.7 ± 0.90	23.5 ± 1.00	NA
				ND	16.5 ± 0.72	20.1 ± 0.60	22.3 ± 1.10	0.695 ± 0.038
				0.148 ± 0.030	15.6 ± 0.40	19.0 ± 1.20	22.6 ± 1.30	NA*
16	169-1035F-6R-1, 1-3	51.41	Py, M, Mg, B	ND	2.59 ± 0.15	NA*	NA*	NA
				ND	2.50 ± 0.13	3.29 ± 0.16	3.62 ± 0.16	NA
17	169-1035F-8R-1, 75-77	71.35	Py, M	ND	18.6 ± 0.60	NA*	NA*	NA
				0.086 ± 0.011	19.5 ± 0.40	23.2 ± 0.57	24.4 ± 1.00	1.17 ± 0.055
18	169-1035G-2R-1, 4-6	44.44	Py, M	ND	3.24 ± 0.21	2.49 ± 0.16	3.12 ± 0.21	NA
19	169-1038H-1X-1, 10-12	0.10	Pyr	ND	ND	NA*	NA*	NA
				ND	ND	NA*	NA*	NA
20	169-1035H-2R-1, 26-29	9.06	Py, Ch, M	ND	0.41 ± 0.03	0.98 ± 0.05	1.19 ± 0.06	NA
					0.32 ± 0.02	0.92 ± 0.06	1.07 ± 0.06	NA
21	169-1035H-9R-1, 39-43	74.99	Py, M	ND	0.90 ± 0.04	1.05 ± 0.10	1.09 ± 0.09	NA
22	169-1035H-15R-1, 6-8	127.66	Pyr	ND	1.14 ± 0.05	NA*	NA*	NA
				ND	0.95 ± 0.05	1.11 ± 0.07	1.18 ± 0.06	0.017 ± 0.003
				ND	0.98 ± 0.04	1.11 ± 0.07	1.19 ± 0.06	NA*
23	169-1035H-16R-1, 74-77	133.34	Py, Pyr	ND	1.85 ± 0.07	1.95 ± 0.10	2.12 ± 0.11	NA
24	169-1035H-19R-1, 49-53	161.99	Py, Pyr	ND	4.50 ± 0.25	4.28 ± 0.19	4.65 ± 0.24	NA

Notes: Py = pyrite; M = marcasite; Mg = magnetite; Pyr = pyrrhotite; Goe = goethite; Q = quartz; B = barite; Ch = chalcopyrite. ND = not detected (under detection limit); NA = not analyzed; * = not analyzed because of a failure of the chemical purification procedure.