The Nickel Mountain Mine, located near Riddle, Oregon, is situated within the historic Riddle Mining District. The site was initially discovered in 1864 by Sheepherders, who stumbled upon deposits of valuable minerals.

Oct 6, 2021 · The Nickel Mountain Mine was discovered in 1864 and used to produce nickel ore. Mining operations started in 1882 and continued until 1987. Once the nickel was nearly depleted, the mine was repurposed for extracting slag and at the same time gave rock collectors a chance to get some unique minerals.

Just west of Riddle, Oregon (Pop. 1185, Elev. 706') in the Coast Range is a place called Nickel Mountain. The US government subsidized the formation and operation of the Hanna Nickel Mining Co. which mined the ore and smelted it on site.

Just west of Riddle, Oregon, in the Coast Range, is a place called Nickel Mountain. The nickel ore there was only 1.5% nickel compared to up to 25% nickel at foreign mines, but the feds wanted domestic nickel production, so the US government subsidized the formation and operation of the Hanna Nickel Mining Co. which mined the ore and smelted it ...

The Riddle Mine is a nickel, iron, and cobalt mine located in Douglas county, Oregon at an elevation of 2,740 feet. About the MRDS Data: All mine locations were obtained from the USGS Mineral Resources Data System.

Instrumental in stimulating this interest has undoubtedly been the successful mining and smelting of nickel ore from Nickel Mountain near Riddle, DouglarCounty. This operation has given Oregon its largest mine and the United States its only domestic source of nickel. Department and U.S'.

The Riddle Nickel Mine is situated in close proximity to Riddle, Oregon, within the Riddle Mining District. Its origins trace back to its initial discovery in 1864. The mineralization found at this site dates back to the Pliocene epoch, approximately 5.33 to 2.58 million years ago.

Nickel-bearing saprolite developed during the early Tertiary over a northeast trending ultramafic body of Jurassic age near Riddle in southwestern Oregon. The principal nickel mineral is garnierite, but other complex nickel minerals may be present.

The Nickel Mountain is a nickel mine located in Douglas county, Oregon at an elevation of 2,904 feet. About the MRDS Data: All mine locations were obtained from the USGS Mineral Resources Data System.

Oct 19, 2022 · By Clark Niewendorp The Riddle Nickel Mine is located on the summit of Nickel Mountain, Douglas County, Oregon, four miles west of Riddle. In July of 1954, the Hanna Mining Company began...