Fabric Code: tpr73

Halmahera volcanic

Volcanic sands temper (probably reworked ash) set in a clay paste rich in vitroclastic glass shards. Feldspars are plagioclase. Clay rich in curvilinear and branching glass shards of silicic volcanic ash. Quartz free. Similar to Banda temper- causing Aru sherds to be originally given this fabric then changed to Banda fabric.

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 2 0 2 0 0 0 0 0 5 0 0 vitric, microlitic
Min 0 0 3 1 0 2 0 0 0 0 0 4 0 0 Maluku

Representative slides:

Slide Site Possible OriginCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_18_25 Ondor (Gorom) Halmahera 0 0 3 1 0 2 0 0 0 0 0 5 0 0 vitric, microlitic
WD_20_23 Halmahera (Halmahera) Halmahera 0 0 3 2 0 2 0 0 0 0 0 4 0 0 vitric, microlitic

WD_18_25

OndorOn9 OndorOn9
Sherd On9 from Ondor (Gorom). Slide WD_18_25 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 temper from ash.


WD_20_23

Halmahera_74_4 Halmahera_74_4
Sherd 74-4 from Halmahera (Halmahera). Slide WD_20_23 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.

Vitric volcanic sand temper from ash.


References:

232 Buru, Gorom, Maluku, Indonesia, 2004 (Dickinson, W.)