Fabric Code: tpr215

Anomalous Santo vitric

Two kinds of volcanic glass, one being dark brown mafic volcanic glass, and the other being pale tan to colorless felsic volcanic glass.

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 0 0 0 0 0 0 0 0 0 6 0 0 vitric
Min 0 0 0 0 0 0 0 0 0 0 0 6 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_57_16 Santo (Santo) Vanuatu 0 0 0 0 0 0 0 0 0 0 0 6 0 0 vitric

WD_57_16

SantoSAN9 SantoSAN9
Sherd SAN9 from Santo (Santo). Slide WD_57_16 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.

Two kinds of volcanic glass, one being dark brown mafic volcanic glass, and the other being pale tan to colorless felsic volcanic glass.


References:

259 Santo, Vanuatu, 2007 (Dickinson, W.)