Dupo Chert
(Burlington Chert variation)












Natural Form:



Description of Physical Characteristics:

Color: 

Texture:


Luster:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:

Dupo Chert is associated with the Burlington Limestone Formation primarily occurring along the Dupo anticline of Illinois.

 

Projectile point made from this material:



Heat Treated


Pictures Provided By:





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References: (See Reference Page, Entry Number):

Similar Material:
Commonly made projectile point from this material:


Archaeological Context: