Fabric Code: tpr247

Exotic Ambae andesitic

Andesitic sand containing minor hornblende, plagioclase feldspar grains, total volcanic lithic fragments, and ferromagnesian grains.

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 1 2 2 0 0 0 2 0 5 0 0 felsitic, microlitic, vitric
Min 0 0 2 0 1 1 0 0 0 0 0 5 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_48_7 Ambae (Ambae) Malakula 0 0 2 1 1 2 0 0 0 2 0 5 0 0 felsitic, microlitic, vitric
WD_48_9 Ambae (Ambae) Malakula 0 0 3 1 2 2 0 0 0 1 0 5 0 0 felsitic, microlitic, vitric

WD_48_7

AmbaeAM5 AmbaeAM5
Sherd AM5 from Ambae (Ambae). Slide WD_48_7 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.

Andesitic.


WD_48_9

AmbaeAM7 AmbaeAM7
Sherd AM7 from Ambae (Ambae). Slide WD_48_9 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.

Andesitic.


References:

255 Vanuatu, 2006 (Dickinson, W.)

311 Ambae, Erromango, Vanuatu, 2014 (Dickinson, W.)