122

Clay Petrography

Provenience

Bajo area on road to Caledonia and San Estevan from San Pablo

Percentage of shrinkage before firing

.033

Percentage of shrinkage after firing

.033

Munsell color before firing

2.5Y 7/2

Munsell color after firing

10YR 7/2

Aplastic spacing

Single

Aplastic shape

Angular

Aplastic sorting

Moderate

B-Fabric

Crystallitic

Aplastics in B-Fabric (below 0.05 mm)

Diffusing calcite and gypsum

Calcite (%)

2

Quartz (%)

1

Clay (%)

62

Other aplastics

Micrite, shell

Other aplastics (%)

28

Additional aplastics

Gypsum

Additional aplastics (%)

3