107

Clay Petrography
Provenience
Creek at Corozal, from marl layer at water's edge, 50cm below bank
Soil suite
Xaibe Plain
Percentage of shrinkage before firing
.033
Percentage of shrinkage after firing
.033
Munsell color before firing
10YR 7/1
Munsell color after firing
5Y 6/1
Aplastic spacing
More than double
Aplastic shape
Subangular
B-Fabric
Streams
Aplastics in B-Fabric (below 0.05 mm)
No distinct minerals
Quartz (%)
2
Clay (%)
80
Other aplastics
Mudstone
Other aplastics (%)
18