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View Full List of National Register: Wyoming Listings

View Full List of National Register: Wyoming Listings

Obsidian Cliff National Historic Landmark

 

 
 

Read All About It:

Obsidian Cliff, located in northwestern Yellowstone National Park, is a geologically distinctive natural feature that has been used as a raw material source for high quality obsidian tools for at least 11,000 years. The Obsidian Cliff lithic source area has been regarded as a prominent prehistoric quarry since its recognition in the 19th century. The volcanic glass was quarried and made into many types of tools, f rom simple flake tools used to cut hides or butcher animals for meat, to arrowheads or spear points, to large ceremonial artifacts. Obsidian Cliff obsidian can be found in archeological sites from the Middle Rockies into western Canada, across the Great Plains into the Midwest, as well as the Columbia Plateau, and possibly the Great Basin. By using trace-and bulk-element geochemistry techniques, archaeologists can trace obsidian artifacts to known geological sources. Obsidian from Obsidian Cliff was imported and utilized for ceremonial purposes by peoples of the Hopewell Culture in the Ohio River valley from around 1,600 to 2,200 years ago.

 
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Date Added to Register:
Wednesday, June 19, 1996
 
Location:
Yellowstone National Park
 
County:
Yellowstone National Park
 
Smithsonian Number: 
48YE433  

 

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The Wyoming State Historic Preservation Office documents, preserves, and promotes Wyoming’s heritage with our preservation partners.

 

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