Color: Burro Canyon
Chert is an opalitic chert. It is variegated ranging from white to
yellow, tan to medium brown, light to medium gray, light to medium green
or shades of red with algae banding or other fossils.
Texture: Very fine grain
Luster: Waxy to vitreous
Translucency: Greens are usually opaque and tans, brown, and gray
are usually varying degrees of transparent
Silica Fabrics / Fossils: Foraminifera,
ostracods
Patina:
Heat Treatment:
Knapping: Good knapping quality
Primary Source
Distribution:
Distribution Comments:
Burro Canyon Chert is associated with the Upper Burro Canyon Formation
of Colorado and Utah.
Named for Burro Canyon, San Miguel County, Colorado, in the Dolores
River Basin. Primary sources are the Dolores River Valley, on
Cannonball Mesa.
Projectile point made from this material:
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