Table 2 - Petrographical characteristics of Pre-Spanish Wares

(WARE 29) INCA FINE WARE INCA FINE WARE COOKING POTS UTILITARIAN WARE KILLKE WARE
Polylithic/Unilithic Unilithic Unilithic Polylithic to Unilithic Polylithic to Unilithic Unilithic to dilithic
Major Lithologies Syenite or arkose Andesite-basalt Granite, metashales, sandstone Granite, metashales, sandstone Trachyte or syenite or andesite or arkose
Similarity to Cusichaca bed-rock geology Low to none None High High Low to none
Proportion of altered/weathered rocks Low to zero Zero High High Low to zero
Shape of > 15 µm size fraction Angular to sub-angular Angular to subangular Subrounded to subangular Subrounded to subangular Subangular
Surface topography of >15µm size fraction Flat to irregular Irregular Smooth, flat Smooth, flat Irregular
Internal grain size Restricted medium-grained Restricted medium-grained Variable, coarse to fine Variable, coarse to fine Restricted, medium-grained
'Grog' Rare Very rare Present to absent Present. Rare true grog Mud pellets
Size distribution/mean value of Ø Unimodal.
Ø = 3. 96
Unimodal.
Ø = 3. 81
Unimodal.
Ø = 3. 53
Very unimodal.
Ø = 3. 38
Unimodal.
Ø = 3. 78
Proportion of fine-grained non-plastic in clay Low Very low High to low High to low Low
Similarity of > 15µm to < 15 µm non-plastics Similar Dissimilar
< 15 µm quartz -rich
> 15 µm quartz-poor
Identical Identical Similar
Coherence of Ware-type High Very High Poor Poor High
Possible preparation method Levigated clay.
Crushed rock temper
Sieved clays.
Crushed rock temper
Levigated clay.
Crushed sand temper?
Some untempered
Levigated clay.
Sand temper?
Some untempered?
Levigated clay.
Crushed rock (s) temper


CLICK HERE TO RETURN TO PAPER