Browns Park Chert
 AKA: Browns Park Chalcedony











Natural Form:



Description of Physical Characteristics:

Color:  Browns Park Chert is similar to chalcedony with a opaque base of white and translucent hues ranging from light yellow, light to dark gray or light brown.  Slight mottling or banding might be present.  Black dendritic inclusions may be present.

Texture:

Luster:

Translucency: Transparent "opalitic" to opaque

Silica Fabrics / Fossils: 
Patina:

Heat Treatment: 

Knapping:  

Notes:  Browns Park Chert is similar to Kremmling / Troublesome Chert and is commonly listed as Troublesome / Browns Park Chert.

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Browns Park Chert is associated with the Browns Park Formation of southern Wyoming and into Colorado.  Primary outcroppings occur in the Yampa Valley of Wyoming to the Axial Basin of Colorado, the Deception Creek drainage, and the lower Spring Creek drainage, Sand Wash Basin in Colorado extending to the western edge of the Gore Range, Colorado.
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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