Meg's Crown Obsidian
(Napa Valley Obsidian)
Description of Physical Characteristics:
Color:
Meg's Crown Obsidian is black with
gray banding and swirls present. In thin sections is a pale gray
with dark banding.
Texture: Fine grain
Luster: Vitreous
Translucency: Opaque to translucent in thin
sections.
Silica Fabrics / Fossils:
Patina:
Heat Treatment:
Knapping:
Distribution:
Distribution Comments:
Meg's Crown Obsidian is associated with the upper member of the Sonoma
Volcanics along Meg's Crown, a very steep ridge separating Dago Valley
and Pratt Valley, Sonoma County, California.
Projectile point made from this material:
Pictures Provided By:
References: (See Reference Page, Entry Number):
Similar Material:
Commonly made projectile point from this material:
Archaeological Context:
No evidence of prehistoric quarries have been
found, but has been found in archaeological sites in Pratt Valley.
.
