Table T2. Summary of bulk mineralogy and clay mineral assemblages from Holes 1244E, 1247B, and 1250C.
Core, section,
interval (cm)
Depth
(mbsf)
Bulk mineralogy (wt%)
Clay mineral assemblages (%)
Calcite
Clays
Quartz
Feldspars
Detrital
mica
Smectites
Kaolinite
Chlorite
204-1244E-
1H-1, 88–90 0.90 7 55 22 16 49 6 25 20
1H-2, 107–109 2.56 20 36 31 13 39 8 28 25
1H-3, 111–113 4.11 6 55 29 10 46 14 25 15
1H-4, 100–102 5.50 9 41 30 20 34 12 24 30
1H-5, 38–40 6.38 7 35 38 20 43 13 19 25
1H-6, 56–58 8.06 8 47 26 19 60 13 17 10
2H-2, 50–52 10.70 6 62 18 14 35 30 25 10
2H-3, 50–52 12.20 10 46 28 16 41 11 26 22
2H-4, 50–52 13.70 11 38 29 22 52 9 21 18
2H-5, 50–52 15.22 6 46 28 20 43 16 23 18
2H-6, 50–52 16.74 6 51 26 17 25 7 20 48
2H-7, 20–22 17.94 5 50 25 20 33 13 18 36
4H-1, 50–52 20.70 <5 40 32 24 33 7 20 40
4H-2, 50–52 22.20 2 38 36 24 40 20 25 15
4H-3, 50–52 23.70 <5 59 24 16 50 10 15 25
4H-4, 50–52 25.20 <5 39 41 19 26 12 20 42
4H-6, 50–52 28.20 <5 48 35 16 50 9 15 26
4H-7, 20–22 29.40 <5 48 31 19 50 12 20 18
5H-3, 50–52 33.15 <5 55 25 19 39 18 15 28
5H-4, 50–52 34.65 <5 55 30 12 36 11 20 33
5H-5, 50–52 36.15 <5 43 37 19 38 17 18 27
5H-6, 50–52 37.65 <5 60 28 11 38 17 18 27
5H-7, 20–22 38.52 5 43 29 23 51 19 10 20
7H-1, 132–134 42.52 <5 60 23 16 40 20 15 25
7H-3, 52–54 44.72 <5 57 24 16 45 18 17 20
7H-4, 42–44 46.12 <5 55 30 13 50 12 10 28
7H-5, 32–34 47.52 <5 45 32 22 68 12 12 8
7H-6, 23–25 48.93 <5 35 42 22 41 16 23 20
7H-7, 6–7 50.15 <5 55 18 26 53 10 19 18
7H-CC, 36–38 50.83 <5 49 30 20 48 14 18 20
9H-3, 63–65 56.23 <5 54 28 17 46 28 16 10
9H-7, 54–56 61.70 <5 54 27 18 48 10 27 15
10H-6, 22–24 69.82 <5 44 30 25 45 15 15 25
12H-1, 43–45 74.03 <5 60 24 15 60 9 12 19
12H-5, 23–25 78.93 <5 60 26 13 45 15 15 25
13H-2, 65–67 85.25 <5 60 27 12 29 21 30 20
14H-2, 48–50 94.10 <5 26 45 28 47 10 25 18
14H-5, 66–68 98.78 <5 34 52 13 51 10 23 16
16H-1, 42–44 104.52 <5 53 27 19 39 15 20 26
16H-5, 50–52 110.51 <5 54 26 19 50 9 19 22
17H-2, 89–91 115.99 15 32 38 15 45 20 18 17
17H-5, 52–54 120.12 10 42 29 19 45 11 20 24
18H-3, 57–59 126.67 12 29 35 24 50 10 23 17
18H-6, 54–56 130.39 5 58 23 14 55 7 28 10
19H-3, 87–89 136.07 5 47 30 18 39 23 18 20
19H-6, 83–85 140.53 <5 58 23 17 31 32 22 15
204-1247B-
2H-2, 50–52 5.60 <5 40 40 18 52 8 10 30
2H-4, 50–52 8.60 8 48 26 18 59 7 8 26
2H-6, 50–52 11.60 <5 52 31 16 60 6 4 30
2H-7, 50–52 13.10 <5 50 25 22 49 6 8 40
3H-2, 50–52 15.10 6 48 29 17 60 10 10 20
3H-5, 50–52 19.60 <5 47 33 17 50 9 11 30
5H-5, 50–52 31.10 <5 49 38 10 45 5 12 38
5H-6, 128–130 33.37 <5 59 25 14 56 15 9 20
6H-2, 55–57 36.15 <5 50 29 18 38 12 11 39
6H-5, 50–52 40.60 <5 25 49 22 58 12 10 20
7H-5, 58–60 50.13 <5 51 33 13 20 25 20 35
8H-2, 47–49 55.07 <5 42 33 22 69 5 6 20
8H-4, 102–104 58.62 <5 40 33 24 48 16 11 25
9H-2, 50–52 64.51 5 54 26 15 60 6 12 22
9H-5, 50–52 69.01 10 34 34 22 42 20 12 26
10H-2, 50–52 74.10 8 48 25 19 51 12 12 25
10H-5, 50–52 78.60 10 53 22 15 40 27 13 20
11H-5, 47–49 87.68 5 46 31 18 50 30 10 10
12H-5, 50–52 96.61 8 44 25 23 52 20 10 18
13H-1, 50–52 101.10 5 53 25 17 48 30 8 14
13H-2, 62–64 102.35 8 42 28 22 50 30 7 13
13H-3, 50–52 103.73 7 56 20 17 35 22 18 25
13H-4, 47–49 105.20 5 41 32 22 53 20 10 17
13H-5, 45–47 106.18 <5 51 27 18 48 23 12 17
14H-2, 50–52 108.70 <5 56 26 16 30 22 20 28
14H-4, 50–52 111.70 <5 50 28 19 40 38 8 14
14H-5, 50–52 112.90 <5 54 27 16 30 25 18 27
15X-2, 50–52 115.60 5 45 32 18 48 25 12 15
18X-2, 50–52 129.30 <5 57 26 16 50 20 12 18
20X-1, 50–52 144.70 12 41 31 16 35 39 10 15
20X-2, 50–52 146.20 15 45 27 13 52 20 10 18
20X-3, 50–52 147.70 <5 33 40 24 27 34 15 24
20X-4, 50–52 149.20 <5 48 32 16 38 10 15 37
20X-5, 46–48 150.66 <5 52 26 18 41 23 12 24
21X-2, 50–52 155.90 <5 51 27 18 42 21 15 22
21X-5, 50–52 160.40 5 60 20 15 16 50 12 22
22X-2, 52–54 165.52 11 44 28 17 30 30 15 25
22X-5, 48–50 169.98 8 45 28 19 41 22 12 25
23X-2, 47–49 175.07 9 58 20 13 55 11 12 22
23X-5, 102–104 180.12 12 49 23 16 36 34 11 19
24X-2, 50–52 184.70 11 40 26 23 23 58 7 12
24X-5, 42–44 189.12 9 47 27 17 28 47 10 15
25X-2, 70–72 194.23 11 30 40 19 46 24 12 18
25X-6, 15–17 198.86 8 56 22 14 33 41 10 16
27X-2, 47–49 213.17 8 36 32 24 46 20 13 21
3H-2, 50–52 16.00 15 30 35 20 49 20 10 21
3H-5, 50–52 20.50 10 38 32 20 50 12 12 26
4H-2, 50–52 25.50 5 45 30 20 46 15 13 26
4H-5, 50–52 29.60 7 47 31 15 47 18 11 24
6H-2, 50–52 44.50 <5 44 39 14 37 32 11 20
6H-5, 54–56 48.31 <5 39 36 21 42 25 12 21
7H-2, 50–52 54.00 7 43 33 17 33 37 13 17
7H-5, 50–52 57.20 <5 50 30 16 40 24 15 21
8H-2, 50–52 63.50 5 58 25 12 40 19 18 23
10H-2, 65–67 75.15 <5 42 35 21 37 36 10 17
10H-5, 53–55 78.99 6 44 30 20 39 32 11 18
11H-1, 50–52 83.00 6 48 30 16 43 28 13 16
11H-3, 47–49 85.88 8 45 30 17 39 30 13 18
11H-4, 50–52 87.01 <5 50 30 17 48 12 18 22
11H-5, 49–51 88.50 6 46 32 16 49 11 17 23
11H-6, 50–52 89.96 6 46 29 19 40 33 10 17
12H-2, 48–50 93.13 7 41 35 17 46 23 13 18
12H-5, 50–52 97.53 13 47 27 13 44 18 18 20
13H-3, 42–44 103.81 9 41 32 18 46 17 15 22
13H-5, 60–62 106.99 <5 54 26 17 55 15 11 19
14H-1, 130–132 112.30 <5 54 30 13 50 21 11 18
14H-2, 50–52 113.00 <5 50 31 17 54 10 10 27
14H-3, 44–46 114.44 <5 50 30 17 41 24 13 22
14H-4, 33–35 115.26 <5 50 31 17 43 21 15 21
15H-2, 54–56 122.40 <5 54 28 16 46 22 13 19
15H-5, 50–52 126.56 <5 47 33 18 41 33 10 16
17H-4, 50–52 137.00 <5 45 31 21 47 15 15 23
19X-2, 50–52 140.50 6 47 33 14 40 30 12 18
19X-5, 50–52 144.95 5 50 28 17 33 30 16 21