Pedernales River Amoeba Chert
Edwards Chert variation













Natural Form:



Description of Physical Characteristics:

Color:  Pedernales River Amoeba Chert ranges in color from light tan to dark brown.

Texture: 
Fine grain

Luster: Dull to waxy

Translucency:  Opaque

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:

Pedernales River Amoeba Chert associated with the Edwards Limestone Formation of southern Texas and primarily occurs as nodules in Gillespie County, Texas, but may be found throughout the Pedernales River basin.

 

Projectile point made from this material:



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References: (See Reference Page, Entry Number):

Similar Material:
Edwards Plateau Chert
Commonly made projectile point from this material:
Pedernales


Archaeological Context: