Fabric Code: tpr135

Kolombangara pyroxenic

Variably placered pyroxene-rich volcanic sand as temper. Probably coastal sands. Low or no hornblende.

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 4 4 1 4 0 0 0 0 0 2 0 0 microlitic, vitric
Min 0 0 3 4 0 3 0 0 0 0 0 1 0 0 Solomons

Representative slides:

Slide Site Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_35_25 Kolombangara (Kolombangara) Kolombangara 0 0 4 4 0 3 0 0 0 0 0 2 0 0 microlitic, vitric
WD_35_23 Kolombangara (Kolombangara) Kolombangara 0 0 4 4 0 3 0 0 0 0 0 1 0 0 microlitic, vitric

WD_35_25

TanahukaNR004 TanahukaNR004
Sherd NR004 from Kolombangara (Kolombangara). Slide WD_35_25 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.

Well sorted and subrounded to subangular aggregates of pyroxenic placer sand. Likely indigenous to Kolombangara.


WD_35_23

TanahukaNR009 TanahukaNR009
Sherd NR009 from Kolombangara (Kolombangara). Slide WD_35_23 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.

Well sorted and subrounded to subangular aggregates of pyroxenic placer sand. Likely indigenous to Kolombangara.


References:

258 Kolombangara, New Georgia, Solomon, 2007 (Dickinson, W.)

276 Roviana, New Georgia, Solomon, 2009 (Dickinson, W.)

260 Kolombangara, Roviana, New Georgia, Solomon, 2007 (Dickinson, W.)

293 Vella Lavella, Roviana, New Georgia group, Solomon, 2011 (Dickinson, W.)