San Andres Chert
AKA: Fingerprint Chert











Natural Form:



Description of Physical Characteristics:

Color:  San Andres Chert two types of chert occurs; first is white to light gay with fine gray banding (Fingerprint Chert).  The second is a fossiliferous medium gray.

Texture:

Luster:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:

San Andres Chert is associated with the San Andres Limestone Formation of southeastern and central New Mexico.  Primarily occurring as small nodules in the San Andres Mountains, Zuni Mountains, and the Sacramento Mountains of New Mexico. 

 

Projectile point made from this material:



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References: (See Reference Page, Entry Number):

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Archaeological Context: