Site: Asmatmos

Island: Rota


Fabrics:

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
tpr6 0 1 5 2 0 2 0 0 0 0 0 4 0 0 microlitic, felsitic, vitric
Marianas andesitic 0 0 4 1 0 2 0 0 0 0 0 3 0 0 Marianas

Slides:

Slide Fabric Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_5_4 tpr6 (Marianas andesitic) Marianas 0 0 5 2 0 1 0 0 0 0 0 3 0 0 microlitic, felsitic, vitric

WD_5_4

Asmatmos_FC2 Asmatmos_FC2
Sherd FC2 from Asmatmos (Rota). Slide WD_5_4 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.

Volcanic sand tempers of andesitic character. Latte sherd. Clinopyroxene dominant, but minor orthopyroxene.


References:

323 Mariana, reports 1-15 for MTAT, 1998 (Dickinson, W.)