Calcareous: Dominated by calcareous inclusions.
Oceanic Basalt: Mainly contain olivines, clinopyroxenes and plagioclase, and have lathwork and mafic vitric lithic fragments.
East Carolines Calcareous (2500 - 1000 BP)
| 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 |
| Slide | Site | Possible Origin | Ware | Cal. | Quartz | Feldspar | Pyroxene | Amphibole | Opaques | Olivine | Biotite | Muscovite | Epidote | Garnet/ Spinel | Ig./Met. Rocks | Sed. Rocks | Grog | Lithics |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WD_90_1 | Lenger (Lenger) | Pohnpei | East Carolines Calcareous (2500 - 1000 BP) | 5 | 0 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | vitric, microlitic |
| FL_1_78 | Nan Madol (Pohnpei) | Pohnpei | East Carolines Calcareous (2500 - 1000 BP) | 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 |
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.
Calcareous reef debris hybrid.
Calcareous reef debris hybrid.