Slide: IL_1_56

Pyroxene grains (10%).Quartz and feldspar grains (<10%). There are some hypocrystalline volcanic rock fragments which contain large pyroxene crystals set in a ground mass of smaller pyroxene crystals, plagioclase, opaques and altered glass. The sherd also contains trace amounts of iron oxide and carbonate shell fragments.

Mineral and Rock Abundances

Fabric: tpr483 - Huon feldspathic lithic

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 1 4 3 0 1 0 1 0 0 0 3 0 0 vitric, lathwork

Images

Sio22_1 Sio22_1
Sherd 22/1 from Sio (New Guinea). Slide IL_1_56 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: 22/1

None

Period: None wikidata:

Site: Sio (New Guinea)

Suspected origin site: Sio

References:

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