132

Clay Petrography

Provenience

Swamp after San Estevan - edge of Long Swamp- clay from between furrows

Soil suite

Sibal Swamps

Percentage of shrinkage before firing

.033

Percentage of shrinkage after firing

.066

Munsell color before firing

2.5Y 7/2

Munsell color after firing

7.5YR 6/6

Aplastic spacing

Single

Aplastic shape

Subangular

Aplastic sorting

Well

B-Fabric

Streams

Aplastics in B-Fabric (below 0.05 mm)

Quartz, oxides

Quartz (%)

26

Clay (%)

69