Slide: IL_1_38

Madang style sherd. CAUTION: Section less than 30microns. Pyroxene and plagioclase grains are up to 0.3 mm in length. Magnetite grains are subrounded and elongate and less than 0.2 mm. Volcanic rock fragments are less than 0.2 mm in length. There are some minor quartzitic grains and red ferruginized grains. The clay is red brown and contains a small percentage of quartz and feldspar.

Mineral and Rock Abundances

Fabric: tpr459 - Madang pyroxenic 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 3 3 0 2 0 0 0 0 0 3 0 0 microphaneritic

Images

Sio23_2 Sio23_2
Sherd 23/2 from Sio (New Guinea). Slide IL_1_38 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: 23/2

None

Period: None wikidata:

Site: Sio (New Guinea)

Suspected origin site: Madang

References:

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