Duncan Chert










Natural Form:



Description of Physical Characteristics:

Color:  Duncan Chert ranges from a a brownish gray to brown.

Texture: Fine grain

Luster:

Translucency: Opaque

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Duncan Chert is associated with the Blue Canyon Formation of northern California.  Occurs with Blue Canyon Quartzite with primary outcroppings occurring around Blue Canyon, Placer County, California and the canyons around Canada Hills
Projectile point made from this material:



Pictures Provided By:
Do you see information that is incorrect on this page, or do you have information that should be added?  If so, please:

Send Us A Message
or e-mail pictures and information to
Material@Projectilepoints.net


Do you see information that is incorrect on this page, or do you have information that should be added?  If so, please:

Send Us A Message
or e-mail
Questions@Projectilepoints.net


References: (See Reference Page, Entry Number):

Similar Material:
Commonly made projectile point from this material:
Archaeological Context: