Slide: IL_1_90

The plagioclase grains (20%) are angular and about 0.3 mm across. Pyroxene grains are colourless to green, angular and less than 0.3 mm in diameter. They make up about 5% of the sample. Volcanic rock fragments (10%), up to 0.5 mm across, are generally weathered and contain clay and feldspar microlites. The opaque minerals (<5%) are angular to subrounded and about 0.2 mm across. There is rare redbrown ferruginized pellets and spinel. The clay is yellow-red-brown.

Mineral and Rock Abundances

Fabric: tpr460 - Madang 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 0 5 2 0 1 0 0 0 0 0 3 0 0 microlitic

Images

MT3 MT3
Sherd Clay and temper mix from Yabob (Yabob). Slide IL_1_90 from I Lillley. 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: Clay and temper mix

None

Period: None wikidata:

Site: Yabob (Yabob)

Suspected origin site: Yabob

References:

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