Mineral and Rock Abundances
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max | 6 | 0 | 3 | 2 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | vitric, lathwork |
| Min | 5 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | Carolines |
Representative slides:
| Slide | Site | Possible Origin | Cal. | Quartz | Feldspar | Pyroxene | Amphibole | Opaques | Olivine | Biotite | Muscovite | Epidote | Garnet/ Spinel | Ig./Met. Rocks | Sed. Rocks | Grog | Lithics |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WD_90_1 | Lenger (Pohnpei) | Pohnpei | 5 | 0 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | vitric, microlitic |
| FL_1_78 | Nan Madol (Pohnpei) | Pohnpei | 5 | 0 | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | vitric, lathwork |
| FL_1_66 | Nan Madol (Pohnpei) | Pohnpei | 6 | 0 | 0 | 1 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | vitric |
WD_90_1
Hybrid temper sand of mixed calcareous and terrigenous grains. Optically amorphous chitinous grains of tan coloration derived from crab or echinoid shells. Glassy rock fragments, microcrystalline volcanic rock fragments, clinopyroxenes, opaques, plagioclase.
FL_1_78
Calcareous reef debris hybrid.
FL_1_66
Calcareous reef debris hybrid.