Cotter Chert
AKA: Swan Creek Chert













Natural Form:



Description of Physical Characteristics:

Color:  Cotter chert ranges in color from a light gray or blue with light tan to white banding. 

Texture: 
Fine grain

Luster:

Silica Fabrics / Fossils: Oolitic

Patina:

Heat Treatment: 

Knapping: 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:

Cotter Chert is associated with the Cotter Formation Arkansas and Missouri.  Primary outcroppings are located in Taney County, Missouri and around Spavinaw Lake, Oklahoma,

 

Projectile point made from this material:



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References: (See Reference Page, Entry Number):

Similar Material:
Commonly made projectile point from this material:

Archaeological Context: