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Obsidian Ridge is a volcanic mountain ridge in northwestern British Columbia, Canada, located on the south side of Artifact Creek at the southeast end of Mount Edziza Provincial Park. It was named on January 2, 1980 by the Geological Survey of Canada for its high quality obsidian .
Obsidian scalpels older than 2100 BC have been found in a Bronze Age settlement in Turkey. [48] In the eastern Mediterranean area the material was used to make tools, mirrors and decorative objects. [49] The use of obsidian tools was present in Japan near areas of volcanic activity. [50] [51] Obsidian was mined during the Jōmon period.
The Vishnu Basement Rocks is the name recommended for all Early Proterozoic crystalline rocks (metamorphic and igneous) exposed in the Grand Canyon region. They form the crystalline basement rocks that underlie the Bass Limestone of the Unkar Group of the Grand Canyon Supergroup and the Tapeats Sandstone of the Tonto Group.
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Apache tears are rounded pebbles of obsidian or "obsidianites" composed of black or dark-colored natural volcanic glass, usually of rhyolitic composition and bearing conchoidal fracture. Also known by the lithologic term marekanite , this variety of obsidian occurs as subrounded to subangular bodies up to about 2 in (51 mm) in diameter, often ...
Because the Glass Buttes complex has abundant, high-quality obsidian, the Bureau of Land Management has reserved 36 square miles (93 km 2) as a free-use area where the public can gather obsidian for private use. No permits are required; however, individuals can only remove 250 pounds (110 kg) of obsidian per year.
Obsidian Cliff, also known as 48YE433, was an important source of lithic materials for prehistoric peoples in Yellowstone National Park near Mammoth Hot Springs, Wyoming, United States. The cliff was named by Philetus Norris , the second park superintendent in 1878. [ 5 ]
Obsidian from the Coso Volcanic Fields was heavily exploited by Native American Coso People to make knives, projectile points, and the like (Hughes 1998). The chief period of exploitation was between approximately 3000 and 1000 years ago, when people mined obsidian by constructing benches in hillsides and digging deep pits to access raw materials (Elston and Zeier 1984; Gilreath and Hildebrand ...