Mansker Chert
Natural Form:
Description of Physical Characteristics:
Color:
Mansker Chert ranges in color from a tan to a dark brown or gray. Speckles from fossil remains may be present.
Texture:
Luster:
Silica Fabrics / Fossils:
Fossiliferous
Patina:
Heat Treatment:
Knapping:
Fair to good flaking quality
Notes:
Outside of the source, it is difficult to distinguish Mansker Chert from Kinkaid Fossiliferous Chert.
Distribution:
Distribution Comments:
Primary outcroppings occur in Jackson and southern Randolph counties, Illinois.
Projectile point made from this material:
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References: (See Reference Page, Entry Number):
Similar Material:
Kinkaid Fossiliferous Chert
Commonly made projectile point from this material:
Archaeological Context: