Color:
SaugeenBois
Blanc Chert can vary in color ranging from very light almost white.
Light blue patches may be present.
Texture:
Luster: Porcellaneous
to dull
Silica Fabrics / Fossils: Macrofossils include
echinoderms and corals. Microfossils include cymatiosphere, pterospermella, and
veryhachium.
Patina:
Heat Treatment:
Knapping:
Notes: Bois Blanc Formation Chert can be
distinguished from Onondaga Chert by the presences of Hapsidopalla.
It is similar in characteristics to Fossil Hill Formation Chert,
however, Fossil Hill Chert has Navifusa and Polyedryxium which is absent
in Bois Blanc Formation Chert.
Primary Source
Distribution:
Distribution Comments:
Bois Blanc Formation Chert is associated with the Bois Blanc Formation
Limestone of the Niagara Escarpment. Primary outcroppings are
located in the Michigan Basin.
Projectile point made from this material:
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