Barrington Argillite











Natural Form:



Description of Physical Characteristics:

Color: Barrington Argillite is a whitish gray

Texture:
Luster:

Translucency:

Silica Fabrics / Fossils: 
Patina:  Greenish to bluish gray with seams or banding of orange.

Heat Treatment:

Knapping:

 


 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Barrington Argillite outcrops around Barrington in southeastern Rhode Island.  The associated formation was not mentioned.  The only geological formation in Rhode Island listed as having argillite is the Hopping Formation which has a reddish argillite.  This does not appear to be the same argillite as shown in the Hoppin Formation.  The Rhode Island Formation does produce minor amounts of a similar appearing slate.
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: