Core,
section, interval (cm) |
Depth (mbsf) | Minerals | CaCO3 (wt%) |
Carbon (wt%) | |
---|---|---|---|---|---|
Total | Organic | ||||
Unit I | |||||
183-1140A- | |||||
1R-1, 12 cm | 0.12 | opal-A, quartz, sanidine, plagioclase?, clay, maghemite, (calcite) | 2 | 0.23 | 0.03 |
1R-1, 90 cm | 0.90 | calcite, opal-A, (feldspar) | 52 | 6.39 | 0.08 |
2R-1, 25 cm | 9.75 | 23 | |||
2R-1, 39 cm | 9.89 | 27 | 3.73 | 0.51 | |
2R-1, 90 cm | 10.40 | calcite, opal-A | 73 | ||
3R-1, 90 cm | 19.50 | calcite | 83 | 10.08 | 0.07 |
4R-1, 90 cm | 28.80 | calcite, opal-A | 71 | 8.53 | 0.02 |
5R-CC, 26 cm | 37.46 | calcite, (opal-A, feldspar) | 77 | ||
6R-1, 90 cm | 47.40 | calcite, (feldspar) | 78 | ||
7R-1, 90 cm | 56.50 | calcite, (opal-A) | 72 | 8.76 | 0.09 |
8R-CC, 10 cm | 64.70 | calcite, (clay) | 87 | 10.5 | 0 |
9R-1, 90 cm | 74.60 | calcite, (alkali feldspar) | 75 | ||
10R-1, 90 cm | 84.19 | calcite, clay, (alkali feldspar) | 76 | 9.18 | 0.08 |
11R-CC, 6 cm | 92.96 | calcite | 87 | ||
12R-CC, 2 cm | 102.51 | calcite, (clay) | 91 | 10.89 | 0 |
13R-1, 90 cm | 113.09 | calcite, (clay, feldspar) | 81 | ||
14R-1, 92 cm | 122.60 | calcite, opal-A, clay, alkali feldspar, (quartz) | 51 | 6.16 | 0 |
15R-CC, 20 cm | 131.58 | calcite, (alkali feldspar, clay) | 78 | ||
16R-1, 90 cm | 141.89 | calcite, (opal-A, alkali feldspar, clay) | 64 | ||
18R-1, 90 cm | 161.19 | calcite | 90 | 10.81 | 0 |
19R-1, 90 cm | 170.80 | calcite, (clay) | 73 | ||
20R-1, 90 cm | 180.39 | calcite, (clay) | 69 | ||
21R-1, 90 cm | 189.99 | calcite, opal-A, (clay) | 72 | 8.64 | 0.02 |
22R-1, 90 cm | 199.60 | calcite | 88 | ||
23R-1, 90 cm | 209.19 | calcite | 84 | 10.04 | 0.01 |
24R-1, 90 cm | 218.90 | calcite, (clay, clinoptilolite, glauconite) | 73 | ||
25R-1, 90 cm | 228.50 | calcite, dolomite (<5%), clay, glauconite, (feldspar, chlorite) | 68 | ||
25R-5, 37 cm | 233.97 | calcite, dolomite (<10%), clay, (glauconite, chlorite, feldspar) | 74 | 8.94 | 0 |
25R-5, 91 cm | dolomite (>95%), calcite | ||||
32R3, 84 cm | dolomite, clay, (feldspar?) |
Note: Minerals in parentheses indicate the presence of only trace amounts.