Fabric Code: tpr180

Bismarck lithic

Lithic-rich volcanic sands of dominantly vitric grains of characteristically brown to red-brown hue.

Sites:

Mineral and Rock Abundances

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%

Name Cal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ SpinelIg./Met. Rocks Sed. Rocks Grog Lithics/ Region
Max 0 0 2 1 1 2 0 0 0 0 0 6 0 0 vitric, microlitic
Min 0 0 2 1 1 2 0 0 0 0 0 6 0 0 Bismarck

Representative slides:

Slide Site Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_102_5 Ambitle (Anir) Anir 0 0 2 1 1 2 0 0 0 0 0 6 0 0 vitric, microlitic

WD_102_5

AnirL8 AnirL8
Sherd AnirL8 from Ambitle (Anir). Slide WD_102_5 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Non-Lapita. Vitric glass. Well sorted, subrounded to subangular aggreates that are probably beach sands. Microlitic lithics are hyalopilitic.


References:

043 Anir, Solomon 1972 (Dickinson, W.)

200 Kamgot, Ambitle, Fani, PNG, 2000 (Dickinson, W.)

239 Tanga, PNG, 2004 (Dickinson, W.)

244 Balbanlankin, Anir, Ambitle, New Ireland, PNG, 2004 (Dickinson, W.)