Color:  Eramosa Chert ranges from light to medium gray or brown gray.

Texture: Fine grain with a smooth texture

Luster: Waxy

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

Eramosa Chert is associated with the Goat Island Member of the Lockaport Formation occurring on the Niagara Peninsula of Ontario and New York.