Color:
Cottonwood Chert is a grayish brown with numerous whitish inclusions.
Texture: Fine grain
Luster: Dull to waxy
Translucency: Opaque
Silica Fabrics / Fossils:
Patina:
Heat Treatment:
Knapping:
Distribution:
Distribution Comments:
Cottonwood chert is associated with the Cottonwood Limestone Formation
(Manhattan Limestone) Formation, Permian Group of Nebraska
and Kansas. Named for Manhattan, Riley County, Kansas.
Projectile point made from this material:
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