Table T7. Metamorphic domains described in thin section, Hole U1415P.
|
Core, section, interval (cm) |
Thin section number | Depth (mbsf) | Rock name |
Number of domains |
Alteration domain | Domain relative abundance (%) |
Alteration domain or feature |
|
|---|---|---|---|---|---|---|---|---|
| Top | Bottom | |||||||
| 345-U1415P- | ||||||||
| 14R-1W, 22–25 (Piece 3) | 127 (image) | 59.02 | 59.05 | Gabbro | 2 | 2 | 40 | Background |
| Troctolite | 1 | 60 | Background | |||||
| 4G-1W, 10–13 (Piece 3) | 98 (image) | 12.60 | 12.63 | Gabbronorite | 2 | 2 | 60 | Background |
| Olivine gabbro | 1 | 40 | Background | |||||
| 6R-1W, 58–61 (Piece 6) | 106 (image) | 23.18 | 23.21 | Olivine gabbro | 2 | 1 | 30 | Halo |
| 2 | 70 | Background | ||||||
| 6R-2W, 119–122 (Piece 14) | 111 (image) | 25.20 | 25.23 | Gabbro | 2 | 2 | 30 | Background |
| Troctolite | 1 | 70 | Background | |||||
| 10R-1W, 121–134 (Piece 13) | 121 (image) | 42.21 | 42.34 | Olivine gabbro | 2 | 1 | 30 | Cataclasite zone |
| 2 | 70 | Background | ||||||
| 22R-1W, 60–65 (Piece 8) | 139 (image) | 90.00 | 90.05 | Olivine gabbro | 2 | 1 | 50 | Background |
| Troctolite | 2 | 50 | Background | |||||
| 22R-2W, 113–115 (Piece 8) | 140 (image) | 91.93 | 91.95 | Olivine gabbro | 2 | 1 | 60 | Background |
| Troctolite | 2 | 40 | Background | |||||
| 23R-1W, 19–21 (Piece 2) | 141 (image) | 98.99 | 99.01 | Troctolite | 2 | 1 | 30 | Background |
| Anorthosite | 2 | 70 | Background | |||||
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