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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
tpr21 | 0 | 0 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | vitric, microlitic |
Guam lithic hi andesitic | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | Marianas |
tpr22 | 1 | 3 | 4 | 2 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 0 | vitric, felsitic |
Saipan quartzose | 0 | 3 | 3 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | Marianas |
tpr23 | 6 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | na |
Mariana calcareous | 6 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | Marianas |
tpr6 | 0 | 1 | 5 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic, felsitic, vitric |
Marianas andesitic | 0 | 0 | 4 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | Marianas |
Slide | Fabric | Possible Origin | Cal. | Quartz | Feldspar | Pyroxene | Amphibole | Opaques | Olivine | Biotite | Muscovite | Epidote | Garnet/ Spinel | Ig./Met. Rocks | Sed. Rocks | Grog | Lithics |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
WD_8_1 | tpr21 (Guam lithic hi andesitic) | Guam | 0 | 0 | 2 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | vitric |
WD_6_19 | tpr22 (Saipan quartzose) | Saipan | 1 | 3 | 3 | 2 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 0 | vitric, felsitic |
WD_6_20 | tpr23 (Mariana calcareous) | Mariana | 6 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | na |
WD_5_3 | tpr6 (Marianas andesitic) | Marianas | 0 | 0 | 4 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | vitric, microlitic, felsitic |
Deeply weathered. Volcanic sand temper.
Deeply weathered; Volcanic sand temper. Pre-latte sherd.
Calcareous sands. Pre-latte sherd.
Marianas Plainware. Volcanic sand temper. Clinopyroxene dominant, but minor orthopyroxene.