Distribution:
Distribution Comments:
Browns Bench Obsidian is thought to be associated with the
Bruneau / Jarbidge Volcanic Field and occurs along Browns Bench, Goose Creek,
Hudson Ridge, and Jackpot in Ada, Blaine, Cassia, Elmore, Gooding, and
Twin Falls counties Idaho, Elko County, Nevada, and Box Elder County,
Utah. Primary outcroppings occur on the bench west of Salmon Falls
Resevior. along Rock Creek, and Mahogany Butte.