Colborne Chert
Bois Blanc Chert variation
AKA: Port Colborne Chert











Natural Form:



Description of Physical Characteristics:

Color:  Colborne chert is a light bluish grey color

Texture: 


Luster: Porcellaneous

Silica Fabrics / Fossils: Macrofossils include echinoderms and corals.  Microfossils include cymatiosphere, pterospermella, and veryhachium

Patina: 

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:

Colborne Chert is associated with the Bois Blanc Formation Limestone of the Niagara Escarpment

 

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: