Table T3. Range of groundmass compositions observed in thin section within each igneous unit, Site U1414.
| Basement unit |
Plagioclase (vol%) |
Clinopyroxene (vol%) |
Olivine (vol%) |
Fe-Ti oxides (vol%) |
Cryptocrystalline (vol%) |
N |
|---|---|---|---|---|---|---|
| 1 | 63 | 21.5 | 3 | 5.5 | 7 | 1 |
| 2 | 57.8 | 31.6 | 8.6 | 8.9 | 23.3 | 3 |
| 48.3 | 17.2 | 1 | 4.7 | 8 | ||
| 3 | 48 | 18.7 | 0.3 | 6.5 | 36.2 | 2 |
| 44 | 9 | 0 | 5.6 | 31 | ||
| 4 | 27.8 | 10.3 | 0 | 13.7 | 47.8 | 1 |
| 5 | 62.6 | 18.7 | 3.3 | 6.8 | 13.1 | 2 |
| 61.2 | 17.1 | 0.5 | 4.3 | 12.3 | ||
| 6 | 44 | 15.7 | 0 | 5.1 | 34.8 | 1 |
| 7 | 58.5 | 22.8 | 3.1 | 5.7 | 24.8 | 4 |
| 52.2 | 14 | 0 | 4.2 | 12.8 |
N = number of thin sections on which the composition range is based.
Previous | Close | Next | Top of page