Fabric Code: tpr314

Tanga crushed rock

Group B. Lithic gabbro fragments from manually crushed rock. Exotic to Boeng, indigenous to Tanga.

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 0 0 0 0 0 0 0 0 0 6 0 0 plutonite
Min 0 0 0 0 0 0 0 0 0 0 0 6 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_33_2 Boeng Islet (Tanga) Tanga not Boeng 0 0 0 0 0 0 0 0 0 0 0 6 0 0 plutonite

WD_33_2

Boeng_EUX1 Boeng_EUX1
Sherd EUX1 from Boeng islet (Tanga). Slide WD_33_2 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image (user: Guest pwd: Guest) or full slide in VIMIPO. Imaged by K. Hardy and M. Leclerc, ANU.

Sherd from Matambek. Exceptionally angular sand-sized gabbro fragments as sand temper.


References:

239 Tanga, PNG, 2004 (Dickinson, W.)