Sand Tanks Obsidian











Natural Form:



Description of Physical Characteristics:

Color:  Sand Tanks Obsidian is black with few to absent phenocysts and black banding occasionally present..
Texture: Fine grain

Luster: Very vitreous

Translucency:

Silica Fabrics / Fossils: 

Patina:

Heat Treatment: 

Knapping:  

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Sand Tanks Obsidian is associated with the Sauceda Volcanics occurring as marekanites / nodules (up to 65mm) along the western edge of the Sand Tanks Mountains and throughout the Quilotosa Wash, Maricopa County, Arizona
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:
Relatively seldom exploited material by prehistoric people.
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