Schroyer Chert
 Wreford Chert variation
AKA: Wreford Chert Type B









Natural Form:



Description of Physical Characteristics:

Color:  Schroyer Chert ranges from bluish gray to a gray and may be mottled or splotched with darker gray with speckles of small white fossils

Texture:  Fine Grain

Luster: Waxy

Translucency: Opaque

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

Patina:

Heat Treatment: 

Knapping: 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Schroyer Chert is associated with the Schroyer Limestone Member of the Wrenford Limestone Formation, Permian Group of eastern Kansas and southeastern Nebraska.  Primary outcroppings occur around Cambridge, Cowley County, and Big Blue Valley near Randolph, Marshall County, Kansas, and in Nebraska along a small creek valley 3 miles southeast of Wymore.
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: