|
Core, section
|
Length (m)
|
Curated length
(m) |
Section (mbsf)
|
Bottom of
cooling unit |
Cooling unit
|
Contact characteristics
|
Alteration interval
(cm) |
Altered piece
|
Alteration type
|
Comment
|
||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Top
|
Bottom
|
(cm)
|
(m)
|
|||||||||
| 200-1224A- |
|
|
|
|
|
|
|
|
|
|
|
|
| 4X-CC | 0.22 | 0.22 | 26.22 | 26.44 |
|
|
1 | Glass in Piece 1 |
|
|
Slight | Top of unit? |
| 5X-1 | 0.18 | 0.23 | 30.70 | 30.93 |
|
|
1 |
|
|
|
Slight |
|
| 6N-1 | 0.22 | 0.23 | 32.00 | 32.23 |
|
|
1 |
|
|
|
Slight |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 200-1224D- |
|
|
|
|
|
|
|
|
|
|
|
|
| 1R-1 | 1.43 | 1.14 | 25.50 | 26.64 |
|
|
1 |
|
|
|
Slight |
|
| 1R-2 | 1.50 | 1.46 | 26.64 | 28.10 |
|
|
1 |
|
|
|
Slight |
|
| 1R-3 | 1.22 | 0.89 | 28.10 | 28.99 |
|
|
1 |
|
|
|
Slight |
|
| 1R-4 | 0.00 | 1.01 | 28.99 | 30.00 |
|
|
1 |
|
|
|
Slight |
|
| 2R-1 | 0.80 | 1.29 | 35.10 | 36.39 | 2 | 35.12 |
|
Glass in Piece 2 | 5-10 | 2 | Moderate: clays, increase in carbonate, Fe oxyhydroxides, and pyrite, no halos | Glass fell down hole |
| 2R-2 | 1.42 | 1.32 | 36.39 | 37.71 |
|
|
1 |
|
|
|
Slight |
|
| 2R-3 | 1.13 | 1.32 | 37.71 | 39.03 |
|
|
1 |
|
|
|
Slight |
|
| 2R-4 | 1.46 | 1.22 | 39.03 | 40.25 |
|
|
1 |
|
|
|
Slight |
|
| 3R-1 | 0.86 | 1.00 | 44.70 | 45.70 |
|
|
1 |
|
|
|
Slight |
|
| 3R-2 | 0.96 | 1.44 | 45.70 | 47.14 |
|
|
1 |
|
118-132 | 3 | Moderate: clays, Fe oxyhydroxides, and pyrite, halos |
|
| 3R-3 | 1.48 | 1.04 | 47.14 | 48.18 | 70 | 47.84 | 1 | Coarsest grained, with spherulitic textures | 40-104 | 5-12 | Moderate to high: carbonate and Fe oxyhydroxides, halos |
|
| 4R-1 | 0.88 | 1.32 | 49.30 | 50.62 |
|
|
2 |
|
|
|
Slight |
|
| 4R-2 | 1.11 | 0.76 | 50.62 | 51.38 |
|
|
2 |
|
|
|
Slight |
|
| 5R-1 | 1.40 | 1.40 | 51.30 | 52.70 |
|
|
2 |
|
|
|
Slight |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 200-1224E- |
|
|
|
|
|
|
|
|
|
|
|
|
| 3R-1 | 0.00 | 1.29 | 27.1 | 28.39 | 0 | 27.10 |
|
Hyaloclastite | 10-43 | 3-9 | Moderate: Fe oxyhydroxides, clays, halos |
|
| 3R-2 | 1.44 | 1.24 | 28.39 | 29.63 |
|
|
1 |
|
|
|
Slight |
|
| 3R-3 | 1.50 | 1.03 | 29.63 | 30.66 |
|
|
1 |
|
|
|
Slight |
|
| 3R-4 | 1.45 | 1.37 | 30.66 | 32.03 |
|
|
1 |
|
|
|
Slight |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 200-1224F- |
|
|
|
|
|
|
|
|
|
|
|
|
| 1R-1 | 1.50 | 1.44 | 27.70 | 29.14 |
|
|
1 |
|
0-62 | 1-13 | Moderate: Fe oxyhydroxides, clays, halos |
|
| 1R-2 | 1.40 | 1.44 | 29.14 | 30.58 |
|
|
1 |
|
|
|
Slight |
|
| 1R-3 | 1.40 | 1.51 | 30.58 | 32.09 |
|
|
1 |
|
|
|
Slight |
|
| 1R-4 | 1.50 | 1.43 | 32.09 | 33.52 |
|
|
1 |
|
52-75 | 3-6 | Moderate: clays, Fe oxyhydroxides, bleached, halos |
|
| 1R-5 | 0.33 | 0.66 | 33.52 | 34.18 |
|
|
1 |
|
40-65 | 4-7 | Moderate: clays, Fe oxyhydroxides, carbonate, halos |
|
| 2R-1 | 1.46 | 1.50 | 39.70 | 41.20 |
|
|
1 |
|
0-150 | 1-24 | Moderate: clays, Fe oxyhydroxides, bleached, bright orange-red material, halos |
|
| 2R-2 | 1.50 | 1.42 | 41.20 | 42.62 |
|
|
1 |
|
0-142 | 1-18 | Moderate: clays, Fe oxyhydroxides, bleached, bright orange-red material, halos; high: Pieces 14-15 |
|
| 2R-3 | 1.40 | 1.14 | 42.62 | 43.76 |
|
|
1 |
|
|
|
Slight |
|
| 2R-4 | 0.96 | 1.45 | 43.76 | 45.21 |
|
|
1 |
|
|
|
Slight |
|
| 2R-5 | 0.00 | 0.69 | 45.21 | 45.90 |
|
|
1 |
|
|
|
Slight |
|
| 3R-1 | 0.00 | 1.50 | 47.30 | 48.80 |
|
|
1 |
|
108-150 | 10-19 | Moderate: clays, Fe oxyhydroxides, slight bleaching, halos |
|
| 3R-2 | 1.42 | 1.23 | 48.80 | 50.03 |
|
|
1 |
|
0-124 | 1-12 | Moderate: clays, Fe oxyhydroxides, carbonate, halos |
|
| 3R-3 | 1.03 | 1.50 | 50.03 | 51.53 |
|
|
1 |
|
|
|
Slight |
|
| 3R-4 | 0.79 | 0.40 | 51.53 | 51.93 |
|
|
1 |
|
|
|
Slight |
|
| 3R-5 | 0.89 | 0.00 |
|
|
|
|
1 |
|
|
|
Slight |
|
| 4R-1 | 1.29 | 0.90 | 56.40 | 57.30 |
|
|
1 |
|
|
|
Uppermost appearance of yellow-green smectite? |
|
| 4R-2 | 1.50 | 1.50 | 57.30 | 58.80 |
|
|
1 |
|
|
|
Slight |
|
| 200-1224F- |
|
|
|
|
|
|
|
|
|
|
|
|
| 4R-3 | 1.50 | 1.43 | 58.80 | 60.23 |
|
|
1 |
|
|
|
Slight |
|
| 4R-4 | 1.50 | 0.78 | 60.23 | 61.01 |
|
|
1 |
|
|
|
Slight |
|
| 4R-5 | 0.41 | 1.47 | 61.01 | 62.48 |
|
|
1 |
|
|
|
Slight |
|
| 4R-6 | 0.00 | 0.42 | 62.48 | 62.90 | 10 | 62.58 | 2 | Glass in Piece 2 |
|
|
|
|
| 5R-1 | 0.95 | 1.07 | 65.90 | 66.97 |
|
|
2 |
|
|
|
Slight |
|
| 6R-1 | 1.50 | 1.50 | 75.00 | 76.50 | 8 | 75.08 | 3 | Glass in Pieces 2 and 3 | 0-150 | 1-23 | Moderate: clays, carbonate, and Fe oxyhydroxides, halos |
|
| 6R-2 | 0.00 | 0.20 | 76.50 | 76.70 |
|
|
3 |
|
|
|
Slight |
|
| 7R-1 | 1.20 | 1.33 | 84.50 | 85.83 | 94 | 85.44 | 4 | Glass in Piece 10 | 0-132 | 1-14 | Moderate: clays, carbonate, and Fe oxyhydroxides, halos |
|
| 8R-1 | 1.31 | 1.33 | 93.50 | 94.83 | 68 | 94.18 | 5 | Glass in Piece 7 | 0-134 | 1-14 | Moderate: clays, carbonate, and Fe oxyhydroxides, halos |
|
| 9R-1 | 0.60 | 0.61 | 102.70 | 103.31 | 0 | 102.70 | 6 | Glass in Piece 1 | 0-62 | 1-7 | Moderate: clays, carbonate, and Fe oxyhydroxides, halos, epidote |
|
|
|
|
|
|
|
52 | 0.52 | 7 | Glass in Piece 7 |
|
|
|
|
| 10R-1 | 1.40 | 1.45 | 111.80 | 113.25 | 38 | 112.18 | 8 | Glass in Piece 4 |
|
|
|
|
|
|
|
|
|
|
98 | 0.98 | 9 | Glass in Piece 14 |
|
|
|
|
| 11R-1 | 0.41 | 1.50 | 121.10 | 122.60 | 14 | 121.24 | 10 | Glass in Piece 4 | 0-150 | 1-22 | Moderate: clays, carbonate, and Fe oxyhydroxides, halos |
|
| 11R-2 | 1.30 | 0.37 | 122.60 | 122.97 | 12 | 122.72 | 11 | Glass in Pieces 3 and 4 | 0-36 | 1-6 | Moderate: clays, carbonate, and Fe oxyhydroxides, halos |
|
|
|
|
|
|
|
30 | 123.02 | 12 | Glass in Piece 6 |
|
|
|
|
| 12R-1 | 1.20 | 1.33 | 128.50 | 129.83 | 60 | 129.10 | 13 | Hyaloclastite with glass and carbonate matrix | 0-135 | 1-16 | Moderate: clays, carbonate, and Fe oxyhydroxides, halos, epidote |
|
| 13R-1 | 1.46 | 1.48 | 133.50 | 134.98 |
|
|
13 |
|
48-76 | 5-6 | High: clays, carbonate, high amount of Fe oxyhydroxides, epidote, halos, moderate alteration elsewhere in section |
|
| 13R-2 | 1.27 | 1.50 | 134.98 | 136.48 |
|
|
13 |
|
0-150 | 1-22 | Moderate: clays, carbonate, and Fe oxyhydroxides, halos, epidote |
|
| 14R-1 | 0.77 | 1.42 | 143.20 | 144.62 |
|
|
13 |
|
35-90 | 3-9 | High: clays, carbonate, high amount of Fe oxyhydroxides, halos, moderate alteration elsewhere in section | This section is coarser than above sections |
| 14R-2 | 1.25 | 0.79 | 144.62 | 145.41 |
|
|
13 |
|
|
|
|
This section is coarser than above sections |
|
|
|
|
|
|
78 |
|
14 | Coarse grained in bottom of Section 14R-2; fine grained in top of Section 15R-1 |
|
|
Bottom of cooling unit? |
|
| 15R-1 | 1.30 | 1.34 | 152.40 | 153.74 |
|
|
14 |
|
0-40 | 1-9 | Moderate: clays, carbonate, and Fe oxyhydroxides, halos | Top is aphanitic, bottom 50-135 cm is fine grained |
| 16R-1 | 0.00 | 0.00 |
|
|
|
|
14 |
|
|
|
Slight |
|