105

Clay Petrography

Provenience

Swamp west of road before Concepcion and after Louisville, dried bajo area

Soil suite

Louisville Plain

Percentage of shrinkage before firing

.133

Percentage of shrinkage after firing

.133

Munsell color before firing

10YR 5/1

Munsell color after firing

10YR 7/4

Aplastic spacing

More than double

Aplastic shape

Round

B-Fabric

Mosaic

Aplastics in B-Fabric (below 0.05 mm)

Diffusing calcite

Quartz (%)

8

Oxides (%)

1

Clay (%)

88