Core, section |
Top depth (mbsf) |
Unit/Subunit | Unit name | Thickness (m) | Position of unit boundaries in core | |
---|---|---|---|---|---|---|
Curated
|
Calculated
|
|||||
197-1204A- | ||||||
6R-5 | 815.60 | 1a, 1b | Volcaniclastic breccia | 2.31 | 6.99 | Top of Unit 1 (sediment-basement contact) is at Section 6R-5, 12 cm. |
7R-2 | 820.95 | 2 | Aphyric basalt (lobed) | 19.78 | 35.49 | Unit 1b/2 boundary is at the bottom of Section 7R-1. |
Total: | 22.09 | 42.48 | ||||
197-1204B- | ||||||
1R-3 | 814.03 | 1 | Aphyric basalt (lobed) | 11.81 | 27.07 | Top of Unit 1 (sediment-basement contact) is at Section 1R-3, 33 cm. |
4R-2 | 841.10 | 2a | Aphyric basalt (lobed) | 10.42 | 30.53 | Unit 1/2a boundary is inferred to be at the top of Section 4R-2. |
7R-3 | 872.42 | 2b | Diabase (massive) | 19.48 | 46.22 | Subunit 2a/2b boundary is at Section 7R-3, 125 cm. |
14R-2 | 917.87 | 2c | Aphyric basalt (lobed) | 3.94 | 17.35 | Subunit 2b/2c boundary is at Section 14R-2, 85 cm. |
16R-1 | 935.20 | 2d | Hyaloclastite lapilli breccia | 3.90 | 9.70 | Subunit 2c/2c boundary is at the top of Section 16R-1. |
17R-1 | 944.90 | 3 | Aphyric basalt (lobed) | 2.33 | 2.33 | Unit 2d/3 boundary is at the top of Section 17R-1. |
17R-3 | 947.26 | 4a | Calcareous vitric sandstone | 0.67 | 0.67 | Unit 3/4 boundary is at Section 17R-3, 5 cm. |
17R-3 | 947.93 | 4b | Calcareous vitric mudstone | 0.55 | 0.55 | Subunit 4a/4b boundary is at Section 17R-3, 78 cm. |
17R-3 | 948.48 | 4c | Vitric-lithic breccia (grain flow?) | 0.10 | 0.10 | Subunit 4b/4c boundary is at Section 17R-3, 129 cm. |
17R-3 | 948.58 | 4d | Calcareous vitric-lithic sandstone | 0.08 | 6.32 | Subunit 4c/4d boundary is at Section 17R-3, 139 cm. |
Total: | 53.24 | 140.47 |