Starved Rock Chert AKA: LaSalle Chert
Oneota Chert variation
Natural Form:
Description of Physical Characteristics:
Color: Starved
Rock Chert ranges from white to a light olive gray or gray and from a
light brown to a light yellow with darker colored banding.
Texture: Medium grain
Luster: Dull to waxy
Silica Fabrics / Fossils: Oolitic
Patina:
Heat Treatment:
Knapping:
Distribution:
Distribution Comments:
Staarved Rock Chert is associated with the lower Prairie de Chien Group,
Oneota formation. Primary outcroppings occur in the Starved Rock
region of LaSalle County, Illinois
Projectile point made from this material:
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