Color:  Owl Creek Black Chert ranges from a dark gray to black, small white speckles may be present.

Texture: 

Luster:

Translucency:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

Owl Creek Black Chert is associated with the Edwards Limestone Formation of southern Texas, primarily occurring as nodules in the Sterling City area.