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 | 0 | 0 | 5 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic, vitric, felsitic |
Min | 0 | 0 | 5 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | Marianas |
Slide | Site | Possible Origin | Cal. | Quartz | Feldspar | Pyroxene | Amphibole | Opaques | Olivine | Biotite | Muscovite | Epidote | Garnet/ Spinel | Ig./Met. Rocks | Sed. Rocks | Grog | Lithics |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
WD_8_7 | Ibb (Tinian) | Saipan | 0 | 0 | 5 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic, vitric, felsitic |
WD_4_14 | Taga (Tinian) | Saipan | 0 | 0 | 5 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic, vitric, felsitic |
WD_4_15 | Taga (Tinian) | Saipan | 0 | 0 | 5 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic, vitric, felsitic |
WD_4_4 | Saipan (Saipan) | Saipan | 0 | 0 | 5 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic, vitric, felsitic |
Andesitic temper sand in which quartz is absent or rare, but plagioclase is abundant and both pyroxenes are present.
Feldspathic andesitic volcanic sand. Marianas decordated sherd. Clinopyroxene dominant, but minor orthopyroxene.
Feldspathic andesitic volcanic sand. Marianas plainware sherd. Clinopyroxene dominant, but minor orthopyroxene.
Andesitic volcanic sand temper. Clinopyroxene dominant, but minor orthopyroxene.