Color:  Deerlick Creek Chert ranges in color from a mottled light gray to a very dark gray.  Light bluish gray to a darker blue may also occur.  Quartz or chalcedony inclusions may be present.

Texture:  Medium (limestone quality) to fine grain (chalcedony quality)

Luster:

Silica Fabrics / Fossils:

Patina: Reddish brown to an orange or reddish tan

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

Deerlick Creek Chert has primary outcroppings in Deerlick Creek valley, Van Buren County, Michigan.  The most abundant sources are at the mouth of Deerlick Creek and Lake Michigan.