Slide: IL_1_31

Sio style. CAUTION: Section less than 30microns. Pyroxene grains (<10%) are generally about 0.3 mm in length. Plagioclase grains (<5%) are less than 0.2 nm in length. There are some volcanic rock fragments, up to 0.7 mm across which are mainly composed of plagioclase laths, fine opaques and altered glass. This sherd also contains accessory iron oxides and red ferruginized grains.

Mineral and Rock Abundances

Fabric: tpr274 - Huon pyroxenic

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 2 5 1 2 0 0 0 0 0 2 0 0 microlitic

Images

Sio16_12 Sio16_12
Sherd 16/12 from Sio (New Guinea). Slide IL_1_31 from I Lilley. 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: 16/12

None

Period: None wikidata:

Site: Sio (New Guinea)

Suspected origin site: Sio

References:

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