Fabric Code: tpr101

New Ireland feldspathic non-placer

Moderately to poorly sorted feldspathic (partly altered to albite) tempers composed of subangular to subrounded grains. Probably stream sands. Clinopyroxene and hornblende. Volcanic lithic fragments (microlitic, felsitic and typically red-brown vitric).

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 6 1 1 1 0 1 0 0 0 2 0 0 vitric, microlitic, felsitic
Min 0 0 5 1 0 1 0 0 0 0 0 1 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_1 Fissoa (New Ireland) New Ireland 0 0 5 1 0 1 0 0 0 0 0 2 0 0 vitric, microlitic, felsitic

WD_31_1

ENX108 ENX108
Sherd ENX108 from Fissoa (New Ireland). Slide WD_31_1 from Dickinson Collection, Bishop Museum. 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.

Feldspathic non-placer sand temper.


References:

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