Color: Bald Peak Basalt is a dark gray color with a light brownish gray
cortex.
Texture: Fine grain
Luster: Dull
Translucency: Opaque
Silica Fabrics / Fossils:
Patina:
Heat Treatment:
Knapping:
Distribution:
Bald Peak Basalt is associated with the Bald Peak Basalt Formation, the
top formation of the Berkeleyan Series. Forms the large part of
Bald Knob east of Berkeley, California.
Projectile point made from this material:
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