Robbers Mountain Argillite / Chert
Description of Physical Characteristics:
Color: Robbers
Mountain Argillite / Chert ranges from a pale pink to pale purplish res,
pale yellowish brown, or light gray with red and brown staining by iron
oxide.
Texture:
Luster:
Translucency:
Silica Fabrics / Fossils:
Patina:
Heat Treatment:
Knapping:
Distribution:
Distribution Comments:
Robbers Mountain Argillite / Chert is a meta-argillite with cobble size
chert clasts associated with the Robbers Mountain Formation of
California. Primary outcroppins occur in the Pilot Knob Valley and
in the El Paso Mountains, Kern County, California.
Projectile point made from this material:
Pictures Provided By:
References: (See Reference Page, Entry Number):
Similar Material:
Commonly made projectile point from this material:
Archaeological Context:
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