Round Valley Chert










Natural Form:



Description of Physical Characteristics:

Color:  Round Valley Chert ranges from gray to a bluish gray.

Texture:

Luster:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Round Valley Chert is associated with the Round Valley Formation of northwestern Colorado and is associated with the Wyoming Thrust Belt.  It is primarily found as nodules on Cross Mountain in northwestern (Moffat Count), Colorado.
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: