Slide: WD_70_9

Volcanic rock (lithic) fragments, where vitric are tan to red glassy grains, and microlitic grains include both hyalopilitic (plagioclase microlites set in clear brown volcanic glass) and tachylitic (plagioclase microlites set in opaque volcanic glass) grains.

Mineral and Rock Abundances

Fabric: tpr371 - Nayau-Lakeba feldspathic

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%
Cal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
0 0 5 1 0 1 0 0 0 0 0 4 0 0 vitric, microlitic

Images

Nayau_FS_881 Nayau_FS_881
Sherd FS-88-1 from Nayau (Nayau). Slide WD_70_9 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.

Sherd: FS-88-1

None

Period: None wikidata:

Site: Nayau (Nayau)

Suspected origin site: Lau

References:

230 Nayau, Aiwa, Lau Group, Fiji, 2003 (Dickinson, W.)