9,000-Year-Old Obsidian Tools Found at Bottom of Lake Huron | Archaeology - Sci-News.com
The two ancient obsidian flakes recovered from a now submerged archaeological site beneath Lake Huron represent the oldest and farthest east confirmed occurrence of western obsidian in the continental United States.
A scuba diver near a submerged hunting structure at the bottom of Lake Huron.The two ancient obsidian artifacts were recovered from a sample of sediment that was hand excavated at a depth of 32 m (105 feet) in an area between two submerged hunting structures at the bottom of Lake Huron.Photomicrographs of the two obsidian flakes from Lake Huron.Central Oregon obsidian from a submerged early Holocene archaeological site beneath Lake Huron