Bobcaygeon Chert
(Lower and Middle)
AKA: Marmora Chert
Description of Physical Characteristics:
Color: Lower
and Middle Bobcaygeon Chert ranges in color from gray to gray brown and
dark brown to black.
Texture:
Luster: Waxy to dull
Silica Fabrics / Fossils:
Patina: Patina ranges from light buff to gray.
Heat Treatment:
Knapping:
Primary Source
Distribution:
Distribution Comments:
Bobcaygeon Chert is associated the middle Ordovician formation (lower
and middle). It is found in nodules and beds in the primary source
location being Marmora, Ontario and throughout the Trent Valley of
Ontario.
Projectile point made from this material:
Pictures Provided By:
References: (See Reference Page, Entry Number):
Commonly made projectile point from this material:
Archaeological Context:
