Color:  Plattin Chert has two variations.

White Plattin Chert ranges from white to a light gray or light brown,  non-lustrous

Brown Plattin Chert ranges from a dark grayish brown to a light gray color.  Slight weak mottling or weak banding and fossil fragments may be present. 

Texture: Fine grain

Luster: Dull (White Plattin) to waxy (Brown Plattin)

Silica Fabrics / Fossils: Few in White Plattin, Ostrocodes in Brown Plattin

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

Plattin Chert is associated with the Plattin Formation.  Primary outcroppings occur in Independence County, Arkansas.