Summerville Chert










Natural Form:



Description of Physical Characteristics:

Color:  Summerville Chert has two variations.  The first is a black chert.  The second variation is an opalitic white or red chert

Texture:

Luster:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Summerville Chert is associated with the Summerville Formation of western Colorado and eastern Utah.  Primary outcroppings occur around Summerville Point, head of the Summerville Wash in the San Rafael Swell and in and Butler Wash, San Juan County, Utah.  Outcroppings of the Summerville Formation have been reported into the Zuni Mountains of New Mexico.
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: