| None (0) | Minor (1) | Few (2) | Common (3) | Frequent (4) | Major (5) | Very Dominant (6) |
| 0% | 0-5% | 5-15% | 15-30 % | 30-50% | 50-70% | 70-100% |
| Name | Cal. | Quartz | Feldspar | Pyroxene | Amphibole | Opaques | Olivine | Biotite | Muscovite | Epidote | Garnet/ Spinel | Ig./Met. Rocks | Sed. Rocks | Grog | Lithics/ Region |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| tpr387 | 1 | 0 | 0 | 6 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | microlitic, lathwork |
| Exotic Rotuma pyroxenic | 1 | 0 | 0 | 6 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | Fiji |
| tpr392 | 0 | 0 | 2 | 2 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | vitric, lathwork |
| Rotuma olivine lithic | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | Fiji |
| Slide | Fabric | Possible Origin | Cal. | Quartz | Feldspar | Pyroxene | Amphibole | Opaques | Olivine | Biotite | Muscovite | Epidote | Garnet/ Spinel | Ig./Met. Rocks | Sed. Rocks | Grog | Lithics |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WD_111_1 | tpr392 (Rotuma olivine lithic) | Rotuma | 0 | 0 | 2 | 2 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | lathwork |
High ratio olivine to pyroxene. Indigenous temper. Intergranular textured lithics typical of alkalic basalt lava. Only clinopyroxene, no orthopyroxene.