022

Clay Petrography

Provenience

Dried stream bed at Long Swamp on road to Progresso, 3.5km from San Estevan, 5m from road

Soil suite

Lazaro Plain

Percentage of shrinkage before firing

.033

Percentage of shrinkage after firing

.066

Munsell color before firing

10YR 5/2

Munsell color after firing

7.5YR 6/6

Aplastic spacing

More than double

Aplastic shape

Subround

Aplastic sorting

Moderate

B-Fabric

Speckled

Aplastics in B-Fabric (below 0.05 mm)

Rounded calcite

Calcite (%)

Rare

Quartz (%)

Few

Oxides (%)

Few