Rockdale Run Chert












Natural Form:



Description of Physical Characteristics:

Color:  Rockdale Run Chert ranges from nodules of light to medium gray or beds of white chert.

Texture: 

Luster:

Translucency:


Silica Fabrics / Fossils:  Cryptozoic

Patina: 

Heat Treatment:

Knapping: 

 


 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Rockdale Run Chert is associated with the Rockdale Run Limestone Formation of the Beekmantown Group of Maryland, Pennsylvania, West Virginia, and Virginia.  Occurs as nodules and beds with exposures near Rockdale Run in Washington County, Maryland, in south central Pennsylvania, the eastern panhandle of West Virginia, and northern Virginia. 
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: