126

Clay Petrography
Provenience
New River at San Estevan
Soil suite
Sibal Swamps
Percentage of shrinkage before firing
.1
Percentage of shrinkage after firing
.133
Munsell color before firing
5Y 5/1
Munsell color after firing
10YR 7/4
Aplastic spacing
Very close
Aplastic shape
Subangular
B-Fabric
Speckled
Aplastics in B-Fabric (below 0.05 mm)
Quartz, streams
Quartz (%)
18
Oxides (%)
Few
Clay (%)
75
Additional aplastics
Polyquartz