Penters Chert













Natural Form:



Description of Physical Characteristics:

Color:  Penters Chert ranges from a highly variegated with colors ranging from medium to dark gray, bluish gray, grayish brown, and yellowish brown.  May also range to a slightly mottled chert ranging in color from a white to pale gray or pale brown.  Yellow mottling and chalcedonic veins are commonly present.

Texture:
Course to medium grain (mottled) or medium to fine grain (variegated)

Luster: Dull (mottled) to waxy or glossy (variegated)

Silica Fabrics / Fossils: Absent

Patina:

Heat Treatment: 

Knapping: 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:

Penters Chert is associated with the Penters Formation of Arkansas along the Ozark escarpment.  Primary outcroppings occur along the northern side of the upper White River and found as cobble along the lower White River.  This is a local chert.

 

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:
Penters Chert was a relatively unused material.  It is rarely seen in sites where the chert is available and not seen outside the source area.  Seen on the escarpment and the western lowlands.