Fabric Code: tpr359

Exotic Karobo placer

The presence of minor oxyhornblende, together with mineralogically altered ferromagnesian grains interpreted as deeply weathered biotite flakes, suggests possible origin from Kadavu.

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 3 2 1 4 0 2 0 0 0 2 0 0 vitric
Min 0 0 3 2 1 4 0 1 0 0 0 2 0 0 Fiji

Representative slides:

Slide Site Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_66_24 Karobo (Viti Levu) Viti Levu 0 0 3 2 1 4 0 2 0 0 0 2 0 0 vitric

WD_66_24

Karobo_KAR_V2 Karobo_KAR_V2
Sherd KAR-V2 from Karobo (Viti Levu). Slide WD_66_24 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.

Possibly from Navua.


References:

188 Viti Levu, Fiji, 1999 (Dickinson, W.)