Sitgreaves Mountain Obsidian











Natural Form:



Description of Physical Characteristics:

Color:  Sitgreaves Mountain Obsidian cloudy gray with banding or patterns commonly present.  The cortex is a tan to brown.

Texture:

Luster:

Translucency: Opaque

Silica Fabrics / Fossils: 

Patina:

Heat Treatment: 

Knapping:  

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Sitgreaves Mountain Obsidian is associated with the San Francisco Volcanics and occurs as cobbles around Sitgreaves Mountain in the Kaibab Nation Forest, Coconino County, Arizona.  Geochemically identical to RS Hill and Spring Valley obsidian.
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:

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