Chalky Butte Chert











Natural Form:



Description of Physical Characteristics:

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Luster:

Translucency:

Silica Fabrics / Fossils:

Patina:

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Distribution:
Chalky Butte Chert is associated with the Chalky Butte Member of the Chadron Formation of North Dakota.  Primary outcroppings occur in western North Dakota.
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: