Georgetown Chert
AKA: Texas Tortilla Chert












Natural Form:



Description of Physical Characteristics:

Color:  Georgetown chert is varying shades of gray.

Texture: 
Fine grain

Luster:

Translucency:  Opaque to slightly translucent

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:

Georgetown Chert is associated with the Georgetown Member of the Edwards A Formation of southern Texas.  Occurring as nodules, lenses, and seams outcroppings occur in Williamson County and southern Bell County, Texas.

 

 

Projectile point made from this material:



Pictures Provided By:





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References: (See Reference Page, Entry Number):

Similar Material:
Brushy Creek Chert
Commonly made projectile point from this material:

Archaeological Context: