Slide: IL_2_3

Type Y style. This sherd contains quartz, feldspar, amphibole, pyroxene, magnetite, spinel, rock fragments, ferruginized clay clasts and relict shells. The quartz and feldspar grains (10%) are generally angular and 0.2 mm in length. Amphibole blades (<5%) are green to brown, and less than 0.2 mm across. Magnetite (5%) occurs as rounded grains. Pale green pyroxene crystals are rare. Spinel is an accessory mineral occurring as angular grains up to 0.2 mm.

Mineral and Rock Abundances

Fabric: tpr482 - Exotic Tuam amphibolic

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 2 4 1 2 3 0 0 0 0 1 2 0 0 microphaneritic

Images

Tuam2_1_a Tuam2_1_a
Sherd 2/1 from Tuam (Tuam). Slide IL_2_3 from I Lilley. 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.

Sherd: 2/1

None

Period: None wikidata:

Site: Tuam (Tuam)

Suspected origin site: ?

References:

Prehistoric exchange in the Vitiaz Strait, Papua New Guinea (Lilley, I.)