Color:  Pierson Chert ranges in color from a mottled gray, cream, and brown to light blue or brick red

Texture: Course to fine grain

Luster: Chalky dull to waxy

Silica Fabrics / Fossils: Crinoid

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

Pierson Chert is associated with the Pierson Formation of the Osagean Series of Arkansas and Missouri.  Primary outcroppings are found along Pierson Creek in Springfield and Greene counties Missouri.  Outcroppings reported in Stone, Barry, and Taney counties, Missouri