Table T1. X-ray
diffraction data for Site 1092.
Core, section,
interval (cm) |
Depth
(mbsf) |
Depth
(mcd) |
Bulk carbonate
(wt%; coulometry) |
Calculated
bulk opal
(wt%) |
Bulk
silicates
(wt%) |
Opal carbonate-free fraction
(wt%; XRD peak intensity) |
Quartz/feldspar
(XRD peak
area ratio) |
Clay/(quartz
+ feldspar)
(XRD peak
area ratio) |
|
|
|
|
|
|
|
|
|
| 177-1092A- |
|
|
|
|
|
|
|
|
| 1H-5, 62-63 |
6.625 |
9.18 |
80.1 |
14 |
5.9 |
70.5 |
6.87 |
0.048 |
| 2H-1, 37-39 |
8.38 |
12 |
50.9 |
35.3 |
13.8 |
71.9 |
0.78 |
0.236 |
| 2H-3, 26-27 |
11.26 |
14.89 |
64.2 |
28.3 |
7.5 |
79.1 |
6.04 |
0.105 |
| 2H-5, 42-44 |
14.43 |
18.05 |
51.1 |
36 |
12.9 |
73.6 |
1.76 |
|
| 3H-1, 109-111 |
18.6 |
23.33 |
42.1 |
46.2 |
11.7 |
79.8 |
1.25 |
18.6 |
| 3H-2, 110-112 |
20.11 |
24.84 |
|
|
|
|
2.18 |
0.106 |
| 3H-5, 70-72 |
24.21 |
28.94 |
36.3 |
57.6 |
6.1 |
90.4 |
2.77 |
|
| 4H-2, 61-62 |
29.12 |
33.99 |
16.7 |
79.6 |
3.7 |
95.6 |
2.16 |
|
| 4H-4, 70-71 |
32.21 |
37.08 |
52 |
37.1 |
10.9 |
77.4 |
1.97 |
0.083 |
| 5H-1, 117-119 |
37.68 |
43.55 |
52.6 |
30.3 |
17.1 |
64 |
3.31 |
|
| 5H-5, 69-71 |
43.2 |
49.07 |
68 |
14.9 |
17.1 |
46.5 |
2.87 |
0.064 |
| 6H-2, 46-48 |
47.97 |
55.86 |
69.4 |
14 |
16.6 |
45.8 |
2.26 |
0.083 |
| 6H-6, 66-68 |
54.17 |
62.06 |
91.1 |
4.5 |
4.4 |
50.3 |
1.74 |
0.133 |
| 7H-1, 120-122 |
56.71 |
65.4 |
81.3 |
7.4 |
11.3 |
39.7 |
1.74 |
0.107 |
| 7H-5, 30-32 |
61.81 |
70.5 |
71.6 |
11.9 |
16.5 |
42.1 |
1.95 |
0.073 |
| 8H-1, 120-122 |
66.21 |
75.66 |
78.1 |
8.5 |
13.4 |
38.6 |
1.34 |
0.104 |
| 8H-4, 71-73 |
70.22 |
79.67 |
85.7 |
6.6 |
7.7 |
45.8 |
1.47 |
0.134 |
| 9H-2, 71-73 |
76.72 |
86.05 |
81.3 |
|
|
|
1.64 |
0.148 |
| 9H-4, 71-73 |
79.67 |
89 |
84.1 |
|
|
|
|
|
| 10H-1, 73-75 |
84.74 |
95.28 |
89.6 |
|
|
|
1.09 |
0.224 |
| 10H-5, 73-75 |
90.74 |
101.3 |
88.8 |
|
|
|
1.78 |
0.112 |
| 11H-2, 89-91 |
95.9 |
108.4 |
89.3 |
1.7 |
9 |
15.5 |
1.64 |
0.181 |
| 11H-5, 71-73 |
100.2 |
112.7 |
89.9 |
1.7 |
8.4 |
17.2 |
1.76 |
0.175 |
| 12H-1, 73-75 |
103.7 |
116.2 |
86.7 |
2.2 |
11.1 |
16.6 |
2.08 |
0.172 |
| 12H-5, 71-73 |
109.7 |
122.1 |
94 |
1.3 |
4.7 |
21.4 |
1.93 |
0.149 |
| 13H-2, 69-71 |
114.7 |
128.9 |
89.2 |
5.2 |
5.6 |
48.2 |
1.77 |
0.101 |
| 13H-6, 71-73 |
120.7 |
134.9 |
91.9 |
2.3 |
5.8 |
28.5 |
1.69 |
0.126 |
| 14H-1, 118-120 |
123.2 |
139.3 |
86 |
7.3 |
6.7 |
52.3 |
1.9 |
0.136 |
| 14H-5, 120-122 |
129.2 |
145.3 |
88.8 |
2.4 |
8.8 |
21.4 |
1.72 |
0.124 |
| 15H-5, 120-122 |
138.7 |
157 |
93.4 |
1.7 |
4.9 |
25.6 |
1.65 |
0.174 |
| 16H-5, 120-123 |
148.2 |
167.4 |
91.3 |
2.3 |
6.4 |
26.2 |
1.65 |
0.189 |
| 17H-3, 116-119 |
154.1 |
172.3 |
94.6 |
1.2 |
4.2 |
22.6 |
1.89 |
0.195 |
| 17H-5, 116-119 |
157.1 |
175.3 |
86.4 |
1.2 |
12.4 |
8.9 |
1.92 |
0.19 |
| 18H-1, 120-123 |
161.2 |
181.1 |
87.2 |
2 |
10.8 |
15.5 |
2.08 |
0.258 |
| 18H-5, 120-123 |
167.2 |
187.1 |
93.3 |
0.8 |
5.9 |
12.5 |
1.9 |
0.298 |
| 19H-1, 65-68 |
170.2 |
192.5 |
86.8 |
3.1 |
10.1 |
23.2 |
1.69 |
0.288 |
| 19H-2, 65-68 |
171.7 |
194 |
84.2 |
3.6 |
12.2 |
22.6 |
2.46 |
0.32 |
| 19H-5, 65-68 |
176.2 |
198.5 |
91.3 |
2.1 |
6.6 |
24.4 |
1.48 |
0.267 |
| 20H-1, 66-69 |
179.7 |
202 |
89.4 |
2 |
8.6 |
18.4 |
1.64 |
0.283 |
| 20H-6, 66-69 |
187.2 |
209.5 |
89.2 |
2.3 |
8.5 |
21.4 |
1 |
0.212 |
Note: XRD = X-ray diffraction. This
table is also available in ASCII format in the TABLES
directory.