101
Clay Petrography
Provenience
Rancho Grande, trench, 50m from river
Soil suite
Lazaro Plain
Percentage of shrinkage before firing
.066
Percentage of shrinkage after firing
.066
Munsell color before firing
7.5YR 4/1
Munsell color after firing
2.5Y 7/4
Aplastic spacing
Close
Aplastic shape
Subround
Aplastic sorting
Moderate
B-Fabric
Streams, speckled
Aplastics in B-Fabric (below 0.05 mm)
No distinct minerals
Calcite (%)
4
Quartz (%)
64
Clay (%)
28