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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
tpr18 | 4 | 0 | 2 | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | vitric, felsitic |
Guam hybrid | 2 | 0 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | Marianas |
tpr20 | 0 | 0 | 3 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | vitric, microlitic |
Guam lithic andesiitic | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | Marianas |
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 |
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_12 | tpr18 (Guam hybrid) | Guam | 2 | 0 | 1 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | vitric, microlitic |
WD_8_14 | tpr20 (Guam lithic andesiitic) | Guam | 0 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | microlitic, vitric |
WD_8_16 | tpr20 (Guam lithic andesiitic) | Guam | 0 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | microlitic, vitric |
WD_8_9 | tpr21 (Guam lithic hi andesitic) | Guam | 0 | 0 | 2 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | microlitic, vitric |
Hybrid beach sand temper in which calcareous reef detritus is admixed with terrigenous grains derived from volcanic rocks.
Poorly sorted volcanic sand temper rich in glassy volcanic rock fragments characteristic of indigenous Guam tempers.
Poorly sorted volcanic sand temper rich in glassy volcanic rock fragments characteristic of indigenous Guam tempers.
Poorly sorted volcanic sand temper rich in glassy volcanic rock fragments characteristic of indigenous Guam tempers.