Tinakula: Andesite / Basaltic Andesite, Composite type, Stratovolcano.
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| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| tpr167 | 4 | 0 | 2 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| Santa Cruz hybrid transitional | 1 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | Vanuatu |
| 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 |
| 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 |
| tpr161 | 0 | 0 | 4 | 1 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | felsitic, microlitic |
| Santa Cruz hornblende-feldspar | 0 | 0 | 4 | 1 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | Vanuatu |
| tpr161a | 0 | 1 | 2 | 5 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | na |
| Santa Cruz hornblende-pyroxene | 0 | 0 | 1 | 5 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | Vanuatu |
| tpr166 | 4 | 0 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | microlitic |
| Santa Cruz hybrid lithic | 1 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | Vanuatu |
| tpr168 | 4 | 0 | 2 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | microlitic |
| Santa Cruz hybrid placer | 2 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | Vanuatu |
| tpr241 | 0 | 0 | 4 | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic, vitric |
| Vanikolo-Tikopia feldspathic | 0 | 0 | 4 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | Vanuatu |
| tpr242 ** | 0 | 0 | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic, vitric |
| Vanikolo-Tikopia opaque-rich | 0 | 0 | 4 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | Vanuatu |
| tpr243 ** | 0 | 0 | 4 | 2 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | microlitic, vitric |
| Vanikolo-Tikopia lithic | 0 | 0 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | Vanuatu |
| tpr172 | 0 | 1 | 3 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | microlitic, vitric, felsitic, microphaneritic |
| Taumako andesitic | 0 | 0 | 3 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | Solomons |
| tpr173 | 0 | 0 | 4 | 6 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | na |
| Taumako pyroxenic placer | 0 | 0 | 1 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | Solomons |
| tpr244 | 0 | 0 | 2 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic, vitric |
| Tikopia ferromagnesian | 0 | 0 | 2 | 3 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | Vanuatu |
| tpr245 | 6 | 0 | 2 | 1 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | vitric, microlitic |
| Tikopia calcareous | 6 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | Vanuatu |
| 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_15 | tpr164 (Santa Cruz transitional) | Nendo | 0 | 0 | 3 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic |
| WD_91_4 | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 6 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_91_6 | tpr167 (Santa Cruz hybrid transitional) | Nendo | 4 | 0 | 2 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| 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 |
| WD_91_10 | tpr163 (Santa Cruz lithic) | Nendo | 0 | 0 | 3 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | microlitic |
| WD_91_1 | tpr164 (Santa Cruz transitional) | Nendo | 0 | 0 | 3 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic |
| WD_91_3 | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 5 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_91_12 | tpr167 (Santa Cruz hybrid transitional) | Nendo | 4 | 0 | 2 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_91_17 | tpr161 (Santa Cruz hornblende-feldspar) | exotic | 0 | 0 | 4 | 1 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | felsitic, microlitic |
| WD_91_20 | tpr161a (Santa Cruz hornblende-pyroxene) | exotic | 0 | 0 | 1 | 5 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | na |
| WD_84_5 | tpr163 (Santa Cruz lithic) | Nendo | 0 | 0 | 3 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic |
| WD_88_17 | tpr163 (Santa Cruz lithic) | Nendo | 0 | 0 | 3 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | microlitic |
| WD_82_18 | tpr164 (Santa Cruz transitional) | Nendo | 0 | 0 | 2 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_88_11 | tpr164 (Santa Cruz transitional) | Nendo | 0 | 0 | 3 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic |
| WD_82_6 | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 6 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_88_7 | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_84_1 | tpr166 (Santa Cruz hybrid lithic) | Nendo | 1 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | microlitic |
| WD_84_7 | tpr166 (Santa Cruz hybrid lithic) | Nendo | 1 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic |
| WD_88_14 | tpr167 (Santa Cruz hybrid transitional) | Nendo | 4 | 0 | 2 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_82_20 | tpr167 (Santa Cruz hybrid transitional) | Nendo | 1 | 0 | 3 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_88_9 | tpr168 (Santa Cruz hybrid placer) | Nendo | 4 | 0 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | microlitic |
| WD_82_14 | tpr168 (Santa Cruz hybrid placer) | Nendo | 2 | 0 | 2 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | microlitic |
| WD_106_5c | tpr163 (Santa Cruz lithic) | Nendo | 0 | 0 | 3 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | microlitic |
| WD_106_5b | tpr164 (Santa Cruz transitional) | Nendo | 0 | 0 | 2 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_106_7c | tpr164 (Santa Cruz transitional) | Nendo | 0 | 0 | 2 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_106_9a | tpr164 (Santa Cruz transitional) | Nendo | 0 | 0 | 2 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_106_3 | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_106_4 | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_106_5a | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_106_6 | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_106_7a | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_106_7b | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_106_8a | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_106_8b | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_106_8c | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_106_9c | tpr165 (Santa Cruz placer) | Nendo | 0 | 0 | 2 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic |
| WD_106_9b | tpr168 (Santa Cruz hybrid placer) | Nendo | 4 | 0 | 2 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | microlitic |
| WD_52_19 | tpr241 (Vanikolo-Tikopia feldspathic) | Vanikolo, Banks or Santo | 0 | 0 | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic, vitric |
| WD_52_14 | tpr242 (Vanikolo-Tikopia opaque-rich) | Vanikolo, Banks or Santo | 0 | 0 | 4 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | microlitic, vitric |
| WD_52_9 | tpr243 (Vanikolo-Tikopia lithic) | Vanikolo, Banks or Santo | 0 | 0 | 3 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | microlitic, vitric |
| WD_105_3 | tpr172 (Taumako andesitic) | Taumako | 0 | 1 | 3 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | microlitic, vitric, felsitic, microphaneritic |
| WD_105_4 | tpr172 (Taumako andesitic) | Taumako | 0 | 1 | 3 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | microlitic, vitric, felsitic, microphaneritic |
| WD_105_6 | tpr172 (Taumako andesitic) | Taumako | 0 | 1 | 3 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | microlitic, vitric, felsitic, microphaneritic |
| WD_105_7 | tpr172 (Taumako andesitic) | Taumako | 0 | 1 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | microlitic, vitric, felsitic, microphaneritic |
| WD_105_1 | tpr173 (Taumako pyroxenic placer) | Taumako | 0 | 0 | 3 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | microlitic |
| WD_105_2 | tpr173 (Taumako pyroxenic placer) | Taumako | 0 | 0 | 3 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | microlitic |
| WD_105_5 | tpr173 (Taumako pyroxenic placer) | Taumako | 0 | 0 | 3 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | microlitic |
| WD_52_18 | tpr241 (Vanikolo-Tikopia feldspathic) | Vanikolo, Banks or Santo | 0 | 0 | 4 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic, vitric |
| WD_52_13 | tpr242 (Vanikolo-Tikopia opaque-rich) | Vanikolo, Banks or Santo | 0 | 0 | 4 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | microlitic, vitric |
| WD_52_7 | tpr243 (Vanikolo-Tikopia lithic) | Vanikolo, Banks or Santo | 0 | 0 | 2 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | microlitic, vitric |
| WD_88_1 | tpr243 (Vanikolo-Tikopia lithic) | Vanikolo, Banks or Santo | 0 | 0 | 3 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | microlitic, vitric |
| WD_88_2 | tpr245 (Tikopia calcareous) | Tikopia | 6 | 0 | 2 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | vitric, microlitic |
Transitional.
Pyroxene.
Hybrid transitional.
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.
Lithic.
Transitional.
Pyroxene.
Hybrid transitional.
Placer green-brown hornblende, with opaque iron oxides with either feldspars or augite pyroxenes. Microlitics are hyalopilitic.
Pyroxene, hornblende exotic.
Lithic sand temper.
Lithic.
Transitional placer (35%-60% ferromagnesian grains) sand temper.
Transitional.
Transitional. Augitic clinopyroxene, minor opaque iron oxide grains and olivine grains, and rare hornblende grains are also present.
Placer sand.
Hybrid lithic sand temper with calcareous grains.
Hybrid lithic sand temper with ghost vacuoles.
Hybrid transitional.
Hybrid transitional placer (35%-60% ferromagnesian grains) sand temper with calcareous grains.
Hybrid placer sand temper with calcareous grains.
Hybrid placer sand temper with calcareous grains.
Lithic.
Transitional.
Transitional.
Transitional.
Placer sand.
Placer sand.
Placer sand.
Placer sand.
Placer sand.
Placer sand.
Placer sand.
Placer sand.
Placer sand.
Placer sand.
Hybrid placer.
Feldspathic-plagioclase, volcanic rock fragments (hyalopilitic-pilotaxitic and glassy vitric), some pyroxenes and hornblende.
Iron oxide opaques, plagioclase and volcanic rock fragments (hyalopilitic-pilotaxitic and glassy vitric).
Volcanic rock fragments (hyalopilitic-pilotaxitic and glassy vitric) and iron oxide opaques, plagioclase and pyroxenes.
Volcanic (Andesitic). Andesitic volcanic sand , moderately well sorted, subrounded volcanic sand, predominantly volcanic rock fragments, mainly microlitic but partly felsitic or glassy, and also including some microcrystalline fragments of hypabyssal igneous rocks plagioclase feldspar, and minor clinopyroxene.
Andesitic Temper. andesitic volcanic sand , moderately well sorted, subrounded volcanic sand, predominantly volcanic rock fragments, mainly microlitic but partly felsitic or glassy, and also including some microcrystalline fragments of hypabyssal igneous rocks plagioclase feldspar, and minor clinopyroxene
Volcanic Temper. andesitic volcanic sand , moderately well sorted, subrounded volcanic sand, predominantly volcanic rock fragments, mainly microlitic but partly felsitic or glassy, and also including some microcrystalline fragments of hypabyssal igneous rocks plagioclase feldspar, and minor clinopyroxene
Dentate-stamped Lapita sherd; Andesitic (lithic) Taumako temper sand. andesitic volcanic sand , moderately well sorted, subrounded volcanic sand, predominantly volcanic rock fragments, mainly microlitic but partly felsitic or glassy, and also including some microcrystalline fragments of hypabyssal igneous rocks plagioclase feldspar, and minor clinopyroxene
Pyroxene-rich placer sand, placer black sand formed by intensive reworking of volcanic debris.clinopyroxene grains, Plagioclase feldspars and volcanic rock fragments.
Pyroxene-rich placer sand, placer black sand formed by intensive reworking of volcanic debris.clinopyroxene grains, Plagioclase feldspars and volcanic rock fragments.
Pyroxene-rich placer sand, placer black sand formed by intensive reworking of volcanic debris.clinopyroxene grains, Plagioclase feldspars and volcanic rock fragments.
Feldspathic-plagioclase, volcanic rock fragments (hyalopilitic-pilotaxitic and glassy vitric), some pyroxenes and hornblende.
Iron oxide opaques, plagioclase and volcanic rock fragments (hyalopilitic-pilotaxitic and glassy vitric).
Volcanic rock fragments (hyalopilitic-pilotaxitic and glassy vitric) and iron oxide opaques, plagioclase and pyroxenes.
Lithic.
Tikopia calcareous.