Color:  Canutillo Chert ranges from a mottled light brown to dark brown or black.

Texture: Fine grain

Luster:

Translucency:  Opaque

Silica Fabrics / Fossils:

Patina:


Heat Treatment: 


Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

Canutillo Chert is associated with the Canutillo Limestone Formation of the Delaware Basin of west Texas.  Primary exposures occur in San Andres Canyon in the San Andres Mountains and in the northern end and western portion of the Franklin Mountains, El Paso County, Texas.