Fabric Code: tpr268

Aneityum hybrid type A

Opaque iron oxide grains, and vitric volcanic rock fragments composed of mafic sideromelane (basaltic glass). The calcareous grains are skeletal and micritic (pelletal) debris of modern reefal origin, and the calcareous aggregates are well sorted sands with textures appropriate for a beach origin.

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 6 0 1 0 0 1 0 0 0 0 0 1 0 0 vitric, microlitic
Min 6 0 0 0 0 1 0 0 0 0 0 1 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_53_6 Aneityum (Aneityum) Aneityum 6 0 1 0 0 0 0 0 0 0 0 1 0 0 vitric

WD_53_6

Anatom12_62_2 Anatom12_62_2
Sherd 12-62-2 from Aneityum (Aneityum). Slide WD_53_6 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. Imaged by K. Hardy and M. Leclerc, ANU.

Opaque iron oxide grains, and vitric volcanic rock fragments composed of mafic sideromelane (basaltic glass). The calcareous grains are skeletal and micritic (pelletal) debris of modern reefal origin, and the calcareous aggregates are well sorted sands with textures appropriate for a beach origin.


References:

303 Aneityum, Vanuatu, 2012 (Dickinson, W.)