Color:  Cherry Valley Silicified Shale ranges from a medium gray to a sooty black

Texture:

Luster:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping:  Concoidal fracture
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

Cherry Valley Silicified Shale is associated with the Cherry Valley Shale Member of the Marcellus Formation of New York and into Pennsylvania.  Exposures occur in Herkimer, Madison, Oneida, Otsego, and Schoharie counties, New York.