Color: Knife
Lake Siltstone ranges in color from a greenish gray to black.
Texture: Fine grain
Luster: Dull
Silica Fabrics / Fossils:
Patina:
Heat Treatment:
Knapping:
Distribution:
Distribution Comments:
Knife Lake Siltstone has primary sources along Knife Lake in Minnesota
and Ontario border. It is found along the Quetico Greenbelt.
Reported in east central and northeastern Minnesota.
Projectile point made from this material:
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