(1)
|
(2)
|
(3)
|
(4)
|
(5)
|
(6)
|
|
|---|---|---|---|---|---|---|
| Sample source: |
5 Strip
samples
|
76 Regular
samples
|
Hart Strip
average
|
Dick et al.
average
|
AII-5-1 most primitive glass |
AII-FZ average basalt |
| Depth (mbsf): | 0-100 | 0-100 | 0-500 | 0-1508 | ||
| Major element oxide (wt%): | ||||||
| SiO2 | 51.62 | 50.66 | 50.74 | 50.60 | 50.21 | 49.66 |
| TiO2 | 1.19 | 0.61 | 1.34 | 0.87 | 1.09 | 1.93 |
| Al2O3 | 16.38 | 16.08 | 16.08 | 16.10 | 16.54 | 15.28 |
| Fe2O3 | 0.00 | 2.07 | 0.00 | 1.37 | 0.00 | 1.41 |
| FeO | 8.37 | 5.54 | 8.34 | 6.19 | 8.64 | 9.12 |
| FeO* | 8.37 | 7.40 | 8.34 | 7.31 | 8.64 | 10.39 |
| MnO | 0.16 | 0.16 | 0.16 | 0.14 | 0.00 | 0.20 |
| MgO | 7.62 | 9.14 | 8.84 | 9.21 | 8.56 | 7.01 |
| CaO | 10.77 | 11.33 | 11.13 | 12.50 | 12.13 | 10.73 |
| Na2O | 3.56 | 3.06 | 3.19 | 2.80 | 2.48 | 3.07 |
| K2O | 0.16 | 0.13 | 0.11 | 0.05 | 0.05 | 0.16 |
| P2O5 | 0.16 | 0.12 | 0.09 | 0.05 | 0.10 | 0.21 |
| H2O | 0.00 | 0.97 | 0.00 | 0.00 | 0.00 | 0.00 |
| CO2 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 |
| Total | 99.99 | 99.97 | 100.00 | 99.88 | 99.80 | 98.79 |
| MgL | 65.4 | 72.1 | 68.0 | 72.3 | 67.2 | 58.1 |
| Na8 | 3.42 | 3.49 | 3.51 | 3.26 | 2.61 | 2.71 |
| Trace element (ppm): | ||||||
| Ni | 95 | 109 | 138 | 100 | (90.) | (79.) |
| Zr | 92 | 75 | 78 | 37 | (113.) | (143.) |
| # of analyses | 5 strips | 76 | 22 strips | 1 | 25. (4) | |
Note: AII-FZ = Atlantis II Fracture Zone.