Fabric Code: tpr151

Roviana vitric

Moderately sorted volcanic sand tempers in which essentially all the temper grains, apart from subordinate opaque iron oxide grains, are isotropic 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 2 0 0 0 0 0 6 0 0 vitric, microlitic
Min 0 0 0 0 0 1 0 0 0 0 0 6 0 0 Solomons

Representative slides:

Slide Site Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_40_24 Roviana (New Georgia) Solomons 0 0 0 0 0 2 0 0 0 0 0 6 0 0 vitric, microlitic

WD_40_24

Roviana_Lagoon_RV_21_E2 Roviana_Lagoon_RV_21_E2
Sherd RV-21-E2 from Roviana (New Georgia). Slide WD_40_24 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image (user: Guest pwd: Guest) or full slide in VIMIPO with higher exposure. Imaged by K. Hardy and M. Leclerc, ANU.

Moderately sorted volcanic sand temper in which essentialy all the temper grains, apart from subordinate opaque iron oxide grains, are isotropic volcanic glass.


References:

293 Vella Lavella, Roviana, New Georgia group, Solomon, 2011 (Dickinson, W.)