Mammoth Hot Springs in Park County, Wyoming — The American West (Mountains)
Obsidian is a rock of high silica content with few visible crystals. By contrast, Golden Gate, 10 miles north, cuts through a lighter-colored flow of welded ash. The two formation are chemically identical but look different because they cooled under different conditions. Yellowstone's cliffs and canyons are charged with invisible movement: a sense of fiery, dynamic origin and gradual but unmistakable cracking and crumbling over time.
Location. 44° 49.44′ N, 110° 43.752′ W. Marker is in Mammoth Hot Springs, Wyoming, in Park County. Marker can be reached from US 89 South. Touch for map. Marker is located in Yellowstone National Park, about 13 miles south of Mammoth Springs, Yellowstone National Park, Wyoming. Exhibition parking is available on right when going south. Marker is in this post office area: Gardiner MT 59030, United States of America.
Other nearby markers. At least 8 other markers are within 7 miles of this marker, measured as the crow flies. Roaring Mountain (approx. 3 miles away); Fumaroles Sheepeater Cliff (approx. 4.7 miles away); Living Thermometer (approx. 6.7 miles away); Porcelain Springs (approx. 6.8 miles away); Norris Geyser Basin (approx. 6.8 miles away); a different marker also named Fumaroles (approx. 6.8 miles away); Solfatara (approx. 6.8 miles away).
Also see . . .
1. Obsidian Cliff, Prehistoric Lithic Quarry - Wikipedia Article. Obsidian Cliff was an important source of obsidian, prized by Native Americans for making knives, spear points, other lithic tools. Obsidian from this site was first quarried here about 12,000 years ago. Early natives of North America placed a high value on the obsidian that came from this cliff as well as other similar obsidian deposits in the area. Obsidian from Obsidian Cliff was traded and has been found in prehistoric sites as far away as Canada and Ohio. (Submitted on May 23, 2015, by Richard Denney of Austin, Texas.)
2. National Historic Landmark Nomination Form. Obsidian Cliff is a National Historic Landmark. The form reads in part: "Obsidian Cliff (48YE433) is located in northwestern Yellowstone National Park within the Middle Rocky Mountains of northwestern Wyoming ... For at least 11,000 (Submitted on May 23, 2015, by Richard Denney of Austin, Texas.)
Categories. • Native Americans • Notable Places •
Credits. This page was last revised on June 16, 2016. This page originally submitted on May 23, 2015, by Richard Denney of Austin, Texas. This page has been viewed 190 times since then and 18 times this year. Last updated on May 25, 2015, by Richard Denney of Austin, Texas. Photos: 1, 2, 3, 4, 5, 6, 7. submitted on May 23, 2015, by Richard Denney of Austin, Texas. • Bill Pfingsten was the editor who published this page.