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 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | vitric, felsitic |
Min | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 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_4_16 | Taga (Tinian) | Saipan | 0 | 0 | 2 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | vitric, felsitic |
WD_4_17 | Taga (Tinian) | Saipan | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | vitric, felsitic |
Glass-rich volcanic sand , Type C, tan to brown vesicular glass. Marianas cordmarked sherd. Clinopyroxene and orthopyroxene.
Glass-rich volcanic sand , Type C, Marianas incised sherd. Clinopyroxene dominant, and orthopyroxene.