Fabric Code: tpr213

Santo beach

Sand temper in which plagioclase and clinopyroxene mineral grains and lithic fragments of microlitic to vitric andesitic rock are the prominent grain types. Some clasts are skeletal calcareous grains of modern reef derivation. Well sorted and subrounded. Clinopyroxene dominant, but minor orthopyroxene.

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 1 0 5 6 1 2 0 0 0 0 0 3 0 0 microlitic, vitric, felsitic
Min 0 0 1 2 1 1 0 0 0 0 0 2 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_12 Santo (Santo) Santo 1 0 5 2 1 1 0 0 0 0 0 3 0 0 microlitic, vitric
WD_57_17 Santo (Santo) Santo 0 0 1 6 1 1 0 0 0 0 0 2 0 0 microlitic, vitric

WD_57_12

SantoSAN3 SantoSAN3
Sherd SAN3 from Santo (Santo). Slide WD_57_12 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Sand temper in which plagioclase and clinopyroxene mineral grains and lithic fragments of microlitic to vitric andesitic rock are the prominent grain types. some clasts are skeletal calcareous grains of modern reef derivation (well sorted and subrounded).


WD_57_17

SantoSAN10 SantoSAN10
Sherd SAN10 from Santo (Santo). Slide WD_57_17 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Sand temper in which plagioclase and clinopyroxene mineral grains and lithic fragments of microlitic to vitric andesitic rock are the prominent grain types. Clinopyroxene dominant, but minor orthopyroxene.


References:

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