Wreford Chert
 Variations include; Three Mile and Schroyer Chert










Natural Form:



Description of Physical Characteristics:

Color:  Wreford Chert ranges from a buff to tan or grayish tan to a bluish gray to gray.  Mottling or banding may be present.

Type A (Three Mile Chert)- Ranges from a buff or tan to a grayish tan color, medium fine grain

Type B (Schroyer Chert)- Ranges from a bluish gray to a gray and may be mottled or splotched with darker gray with speckles of small white fossils

Type C - Ranges from a brownish gray to a bluish gray or dark gray with prominent banding

Texture:  Medium to fine grain

Luster: Dull to waxy

Silica Fabrics / Fossils: Compositas, chinodeerms, dictyoclostus, bryozoans, crinoids, echinoids and rarely aviculopinna, trilobites, and corals

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Wreford Chert is associated with the Schroyer and Threemile Limestone Members of the Wreford Limestone Formation, Permian Group.  Primary outcroppings occur in the Flint Hills of Kansas.
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: