Table T1. Summary of depth and relative abundance of clay-mineral constituents.
Core, section,
interval* (cm)
Depth
(mcd)
Chlorite
(%)
Illite
(%)
Kaolinite
(%)
Smectite
(%)
184-1146B-          
1H-1, 105 1.05 19.2 31.7 8.4 40.7
1H-2, 30 1.80 22.4 38.3 9.6 29.7
1H-2, 105 2.55 21.5 35.6 12.5 30.5
1H-3, 30 3.30 20.2 33.0 15.3 31.5
1H-3, 105 4.05 18.6 34.9 13.2 33.4
1H-4, 30 4.80 21.2 35.9 9.6 33.3
184-1146C-          
1H-4, 105 6.45 21.9 37.6 9.6 30.9
1H-5, 30 7.20 25.7 37.4 12.6 24.3
1H-5, 105 7.95 24.9 41.2 8.7 25.3
1H-6, 30 8.70 31.2 42.6 2.1 24.2
1H-6, 105 9.45 19.7 35.1 9.9 35.3
184-1146B-          
2H-2, 30 10.35 24.1 36.7 7.8 31.4
2H-2, 105 11.10 20.0 37.6 9.9 32.5
2H-3, 30 11.85 22.5 36.9 7.9 32.6
2H-3, 105 12.60 20.3 38.3 8.8 32.5
2H-4, 30 13.35 15.0 34.1 11.0 39.8
2H-4, 105 14.10 17.8 33.7 12.3 36.2
2H-5, 30 14.85 22.1 37.5 10.4 30.0
184-1146C-          
2H-4, 30 15.90 20.3 38.8 9.6 31.4
2H-4, 105 16.65 17.8 37.1 11.7 33.4
2H-5, 30 17.40 14.8 38.5 11.2 35.5
2H-5, 105 18.15 18.2 36.7 9.7 35.4
2H-6, 30 18.90 9.4 31.4 11.3 48.0
2H-6, 105 19.65 19.8 36.1 10.5 33.6
2H-7, 30 20.40 20.3 39.5 11.1 29.2
184-1146B-          
3H-2, 30 20.90 17.2 36.1 8.3 38.4
3H-2, 105 21.65 20.7 39.1 7.6 32.6
3H-3, 30 22.40 17.6 37.1 6.8 38.4
3H-3, 105 23.15 19.3 37.7 8.5 34.5
3H-4, 30 23.90 15.9 35.7 11.9 36.5
3H-5, 30 25.40 15.2 32.0 8.7 44.1
184-1146C-          
3H-4, 30 25.60 17.9 36.4 11.5 34.1
3H-5, 30 27.10 19.7 35.0 14.5 30.8
3H-5, 105 27.85 20.1 33.7 14.2 32.1
3H-6, 30 28.60 22.5 36.5 12.1 28.9
184-1146B-          
4H-1, 105 29.85 21.2 33.4 12.9 32.5
4H-2, 30 30.60 23.3 34.2 8.7 33.8
4H-2, 105 31.35 23.1 34.0 8.2 34.7
4H-3, 30 32.10 25.1 35.6 16.8 22.5
4H-3, 105 32.85 21.0 38.5 12.5 27.9
4H-4, 30 33.60 16.7 32.2 16.3 34.9
4H-4, 105 34.35 20.3 33.8 10.8 35.0
4H-5, 30 35.10 20.9 37.8 8.8 32.5
184-1146C-          
4H-3, 105 36.00 19.8 37.8 12.2 30.2
4H-4, 30 36.75 22.6 34.9 10.0 32.5
4H-4, 105 37.50 22.0 39.5 10.3 28.1
4H-5, 30 38.25 25.0 37.7 8.8 28.5
4H-5, 105 39.00 24.7 36.6 9.7 29.0
184-1146B-          
5H-1, 30 39.60 21.1 36.6 8.3 34.0
184-1146C-          
4H-6, 30 39.75 22.5 38.2 7.4 31.8
184-1146B-          
5H-2, 105 40.35 15.7 38.5 18.8 27.1
184-1146C-          
4H-6, 105 40.50 25.5 37.4 5.4 31.7
184-1146B-          
5H-2, 30 41.10 17.4 31.9 8.6 42.1
184-1146C-          
4H-7, 30 41.25 21.7 36.1 10.2 32.0
5H-1, 30 41.50 18.0 30.5 8.1 43.4
184-1146B-          
5H-2, 105 41.85 21.1 33.7 7.4 37.7
184-1146C-          
5H-1, 105 42.25 19.2 34.4 11.1 35.2
5H-2, 30 43.00 20.1 35.8 10.1 34.0
5H-2, 105 43.75 21.3 36.9 9.6 32.3
184-1146B-          
5H-4, 30 44.10 21.2 38.1 10.3 30.5
184-1146C-          
5H-3, 30 44.50 12.0 30.1 10.7 47.1
184-1146B-          
5H-4, 105 44.85 20.7 33.1 8.3 37.9
184-1146C-          
5H-3, 105 45.25 20.4 36.3 8.7 34.6
184-1146B-          
5H-5, 30 45.60 20.3 33.4 8.6 37.7
184-1146C-          
5H-4, 30 46.00 16.3 33.3 12.5 37.9
184-1146B-          
5H-5, 105 46.35 24.7 36.9 10.2 28.2
184-1146C-          
5H-4, 105 46.75 21.3 34.8 13.1 30.9
184-1146C-          
5H-6, 30 47.10 20.0 34.0 13.5 32.5
184-1146C-          
5H-5, 30 47.50 20.1 35.0 12.9 32.0
5H-5, 105 48.25 25.2 32.4 6.8 35.5
5H-6, 30 49.00 21.2 33.8 9.1 36.0
184-1146B-          
6H-1, 105 49.75 26.3 40.2 12.1 21.3
6H-2, 30 50.50 24.8 37.7 15.6 21.9
6H-2, 105 51.25 25.3 35.8 10.1 28.9
6H-3, 30 52.00 21.4 36.3 11.7 30.7
6H-3, 105 52.75 21.5 34.9 7.6 36.0
6H-4, 30 53.50 25.3 35.0 7.6 32.1
6H-4, 105 54.25 19.7 36.9 8.4 35.0
6H-5, 30 55.00 23.7 40.2 10.0 26.1
6H-5, 105 55.75 20.9 35.3 9.6 34.2
6H-6, 30 56.50 24.3 34.7 6.8 34.3
6H-6, 105 57.25 22.0 36.6 8.2 33.2
184-1146C-          
6H-5, 30 57.65 24.1 36.6 7.2 32.0
6H-5, 105 58.40 21.7 26.5 4.9 46.9
6H-6, 30 59.15 21.0 33.3 9.0 36.8
6H-6, 105 59.90 19.9 28.7 9.3 42.1
184-1146B-          
7H-2, 30 60.60 18.8 33.7 13.3 34.2
7H-2, 105 61.35 19.3 32.0 11.4 37.3
7H-3, 30 62.10 21.9 27.7 9.5 40.9
7H-3, 105 62.85 24.5 31.6 8.6 35.4
7H-4, 30 63.60 18.8 34.2 11.8 35.2

Notes: Clay mineral content corresponds to semiquantitative data, based on the measurement of the surface of the basal reflection on the ethylene glycol XRD diagram. Smectite content combines smectite and illite-smectite mixed-layer minerals. * = all intervals are 2 cm long, and the top of each interval is given. Only a portion of this table appears here. The complete table is available in ASCII.