129

Clay Petrography

Provenience

Stream with mangroves halfway to Saltillo, south of stream, west of road

Soil suite

Xaibe Plain

Percentage of shrinkage before firing

.1

Percentage of shrinkage after firing

.133

Munsell color before firing

10YR 6/1

Munsell color after firing

10YR 6/6

Aplastic spacing

Very close

Aplastic shape

Round

Aplastic sorting

Poor

B-Fabric

Mosaic

Aplastics in B-Fabric (below 0.05 mm)

Round disintegrating fossils, mosaic pattern

Quartz (%)

6

Clay (%)

44

Other aplastics

Mudstone

Other aplastics (%)

49

Additional aplastics

Fossils