Fabric Code: tpr216

Exotic Malo chrome spinel

Chrome spinel, orthopyroxene, and serpentinite grains are characteristic of ultramafic detritus. Opaques include a spinel. Orthopyroxene present.

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 2 2 2 0 3 0 0 0 0 3 3 1 0 quartzite, plutonite, metavolcanic
Min 1 2 2 2 0 3 0 0 0 0 3 3 1 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_21 Malo (Malo) New Caledonia 1 2 2 2 0 3 0 0 0 0 3 3 1 0 quartzite, plutonite, metavolcanic

WD_57_21

Malo267 Malo267
Sherd 267 from Malo (Malo). Slide WD_57_21 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image or full slide in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Chrome spinel, orthopyroxene, and serpentinite grains are characteristic of ultramafic detritus.


References:

118 Santo and Malo, Vanuatu (Dickinson, W.)