Fabric Code: tpr102

New Ireland pyroxene rich-placer

Moderately to well sorted tempers. Partially placered-higher ferromagnesian minerals, of subrounded to subangular grains that are probably beach sands. Clinopyroxene and hornblende. Clinopyroxenes in Fissoa sherds are augite.

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 3 4 2 2 0 0 0 0 0 4 0 0 vitric, microlitic, felsitic
Min 0 0 3 3 1 1 0 0 0 0 0 2 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_31_3 Fissoa (New Ireland) New Ireland 0 0 4 4 2 1 0 0 0 0 0 2 0 0 vitric, microlitic, felsitic

WD_31_3

ENX110 ENX110
Sherd ENX110 from Fissoa (New Ireland). Slide WD_31_3 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image or full slide in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Pyroxene-rich beach placer sand temper.


References:

243 Fissoa, New Ireland, PNG, 2004 (Dickinson, W.)