Fabric Code: tpr136

Exotic Kolombangara hornblendic

Well sorted and subrounded to subangular aggregate of hornblendic placer sand of probable beach origin. Some felsitic rock fragments.

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 2 5 3 0 0 0 0 0 1 0 0 felsitic
Min 0 0 2 2 5 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_21 Kolombangara (Kolombangara) Vella Lavella 0 0 2 2 5 3 0 0 0 0 0 1 0 0 felsitic

WD_35_21

TanahukaNR016 TanahukaNR016
Sherd NR016 from Kolombangara (Kolombangara). Slide WD_35_21 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.

Well sorted and subrounded to subangular aggregate of hornblendic placer sand. Likely exotic 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.)