Color: Sheldon Chert is a translucent to opaque
chert ranging from a light to dark gray or yellowish brown and pinkish
brown. Densely filled with fossil fragments.
Texture: Fine grain
Luster: Waxy to glossy
Translucency: Opaque
Silica Fabrics / Fossils: Gastropods,
brachiopods
Patina:
Heat Treatment:
Knapping:
Distribution:
Distribution Comments:
Sheldon Chert is associated with the Sheldon Member of the Topeka
Formation, Shawnee Group. Primary outcroppings occur in Mills County, Iowa.
Projectile point made from this material:
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