Color: Logan Quarry Chert ranges from a light brownish yellow to a medium
yellow. Darker inclusion and veins of quartz / chalcedony may be
present..
Texture: Very fine grain
Luster: Vitreous
Translucency: Opaque to translucent
Silica Fabrics / Fossils:
Patina:
Heat Treatment:
Knapping:
Distribution:
Logan Quarry Chert is associated with the Jefferson Formation, Madison
Group of Montana. Primary outcroppings occur at the Logan Quarry,
Gallatin Valley, Montana. Reported into Alberta. This is
considered an exotic material.
Projectile point made from this material:
Pictures Provided By:
Do you see information that is incorrect on this
page, or do you have information that should be added? If so, please:
