Fabric Code: tpr241

Vanikolo-Tikopia feldspathic

Plagioclase, volcanic rock fragments (hyalopilitic-pilotaxitic and glassy vitric). Some pyroxenes and hornblende.

Sites:

Mineral and Rock Abundances

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. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ SpinelIg./Met. Rocks Sed. Rocks Grog Lithics/ Region
Max 0 0 4 3 1 2 0 0 0 0 0 4 0 0 microlitic, vitric
Min 0 0 4 1 0 2 0 0 0 0 0 3 0 0 Vanuatu

Representative slides:

Slide Site Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_52_18 Tikopia (Tikopia) Vanikolo, Banks or Santo 0 0 4 1 0 2 0 0 0 0 0 3 0 0 microlitic, vitric
WD_52_19 Vanikoro (Santa Cruz) Vanikolo, Banks or Santo 0 0 4 2 0 2 0 0 0 0 0 4 0 0 microlitic, vitric

WD_52_18

Tik_48_13 Tik_48_13
Sherd Tik-48-13 from Tikopia (Tikopia). Slide WD_52_18 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Feldspathic-plagioclase, volcanic rock fragments (hyalopilitic-pilotaxitic and glassy vitric), some pyroxenes and hornblende.


WD_52_19

VanikoroTP68 VanikoroTP68
Sherd TP68 from Vanikoro (Santa Cruz). Slide WD_52_19 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Feldspathic-plagioclase, volcanic rock fragments (hyalopilitic-pilotaxitic and glassy vitric), some pyroxenes and hornblende.


References:

117 Vanuatu Report (Dickinson, W.)