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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
tpr163 | 0 | 0 | 3 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | microlitic |
Santa Cruz lithic | 0 | 0 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | Vanuatu |
tpr164 | 0 | 0 | 3 | 4 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic |
Santa Cruz transitional | 0 | 0 | 2 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | Vanuatu |
tpr165 | 0 | 0 | 3 | 6 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
Santa Cruz placer | 0 | 0 | 1 | 5 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | Vanuatu |
tpr207 | 2 | 3 | 3 | 6 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | microlitic, felsitic, vitric |
Exotic Tonga pyroxenic placer | 0 | 1 | 1 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | Tonga |
Slide | Fabric | Possible Origin | Cal. | Quartz | Feldspar | Pyroxene | Amphibole | Opaques | Olivine | Biotite | Muscovite | Epidote | Garnet/ Spinel | Ig./Met. Rocks | Sed. Rocks | Grog | Lithics |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
WD_91_16 | tpr207 (Exotic Tonga pyroxenic placer) | exotic | 0 | 3 | 3 | 4 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | microlitic, felsitic |
WD_84_3 | tpr163 (Santa Cruz lithic) | Nendo | 0 | 0 | 3 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic |
WD_88_24 | tpr163 (Santa Cruz lithic) | Nendo | 0 | 0 | 3 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | microlitic |
WD_84_2 | tpr164 (Santa Cruz transitional) | Nendo | 0 | 0 | 3 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic |
WD_82_10 | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 6 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
WD_88_20 | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 6 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
Placer quartose pyroxenic with opaque iron oxides.
Volcanic rock fragments dominant. Augitic clinopyroxene,minor opaque iron oxide grains and olivine grains, and rare hornblende grains are also present.
Lithic.
Transitional placer (35%-60% ferromagnesian grains) sand temper.
Placer sand.
Placer sand.