Fabric Code: tpr115

Pidia feldspathic-hornblendic natural

Very poorly sorted feldspathic aggregates in paste of fine, irregularly shaped silt-sand grains of pale tan to red-brown volcanic glass. May be untempered. Contains hornblende as dominant ferromagnesian silicate mineral.

Fabric Class:

Feldspathic Igneous-Amphibolic: Dominated by feldspar inclusions, with igneous lithics and amphiboles.

Andesitic Arc: Dominated by andesite and basalt lithic fragments, with microlitic, felsitic and vitric textures, and the andesite minerals (plagioclase, clinopyroxene and sometimes hornblende).

Sites:

Ceramic Wares

Pidia (300 - 0 BP)

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.	Quartz	Feldspar	Pyroxene	Amphibole	Opaques	Olivine	Biotite	Muscovite	Epidote	Garnet/ Spinel	Ig./Met. Rocks	Sed. Rocks	Grog	Lithics/ Region
Max	0	0	5	1	3	2	0	0	0	0	0	2	0	0	microlitic, vitric
Min	0	0	5	1	3	2	0	0	0	0	0	1	0	0	Solomons

Representative slides:

Slide	Site	Possible Origin	Ware	Cal.	Quartz	Feldspar	Pyroxene	Amphibole	Opaques	Olivine	Biotite	Muscovite	Epidote	Garnet/ Spinel	Ig./Met. Rocks	Sed. Rocks	Grog	Lithics
WD_35_9	Pidia (Bougainville)	Central Bougainville	Pidia (300 - 0 BP)	0	0	5	1	3	2	0	0	0	0	0	1	0	0	vitric, microlitic
WD_35_11	Pidia (Bougainville)	Central Bougainville	Pidia (300 - 0 BP)	0	0	5	1	3	2	0	0	0	0	0	2	0	0	vitric, microlitic

WD_35_9

Prehistoric potsherd. Poorly sorted, angular to subangular feldspathic aggregate sand temper, tan to brown vitrics. Andesitic.

WD_35_11

Prehistoric potsherd. Poorly sorted, angular to subangular feldspathic aggregate sand temper, tan to brown vitrics. Andesitic.

References:

153 Bougainville, Buka, Nissan, Ontong Java, Shortland, Solomon, 1997 (Dickinson, W.)