Detour Chert
Fossil Hill variant











Natural Form:



Description of Physical Characteristics:

Color:  Detour Chert ranges in color from a bluish gray to a dark brown.  White circular inclusions are present in this chert.

Texture: 
Fine grain

Luster: Glossy

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:

Detour Chert is associated with the Fossil Hill formation of the upper Michigan Peninsula.

 

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: