Obsidian Cliffs Obsidian
 Flows include: North Sisters, Obsidian Ridge, Three Sisters Obsidian











Natural Form:



Description of Physical Characteristics:

Color: Obsidian Cliffs Obsidian ranges from a pale gray to black
Texture: Fine grain

Luster: Glassy

Translucency:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 

Notes:  Not the same source as Obsidian Cliff Obsidian from Wyoming.

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Obsidian Cliffs Obsidian occurs three miles west northwest of North Sisters in the Three Sisters Wilderness area, Lane County, Oregon.  Glaciers have taken obsidian nodules and deposited them down Lost Creek Valley and the Mckenzie River and into the Willamette Valley.  Artifacts from this source have been reported in Washington and into British Columbia.
Projectile point made from this material:



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References: (See Reference Page, Entry Number):

Similar Material:
Commonly made projectile point from this material:
Archaeological Context: