Color: El
Sauz Chert is predominantly light to medium gray with a small percentage exhibiting
mottling of pink, red, yellow, orange, purple, green and light browns.
Vugs and veins of chalcedony, opal and quartz are present.
Texture: Fine grain
Luster: Dull to glossy
Translucency: Opaque
Silica Fabrics / Fossils: Absent
Patina:
Heat Treatment:
Knapping:
Distribution:
Distribution Comments:
El Sauz chert is associated with the Catahoula formation of southern
Texas. Primary outcroppings are located along the Olmos creek,
Starr County Texas. Outcroppings have been reported in
northeastern Nuevo Leon, Mexico
Projectile point made from this material:
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