Fabric Code: tpr137

Kolombangara feldspathic hybrid

Well sorted and subrounded feldspathic hybrid sand (mixed reef detritus calcareous and unplacered volcanic sand terrigenous grains).

Fabric Class:

Calcareous-Feldspathic: Dominated by calcareous and feldspar inclusions.

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 5 0 4 1 1 1 0 0 0 0 0 2 0 0 microlitic, vitric
Min 5 0 4 1 1 1 0 0 0 0 0 2 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_22 Kolombangara (Kolombangara) Solomons 5 0 4 1 1 1 0 0 0 0 0 2 0 0 microlitic, vitric

WD_35_22

Poi7 Poi7
Sherd Poi7 from Kolombangara (Kolombangara). Slide WD_35_22 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 feldspathic hybrid sand composed of unplacered volcanic sand admixed with more abundant calcareous reef grains.


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.)