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An uncut/rough yellow sapphire found at the Spokane Sapphire Mine near Helena, Montana "Yogo sapphire" is the preferred term for gems found in the Yogo Gulch, whereas "Montana sapphire" generally refers to gems found in other Montana locations. [18] More gem-quality sapphires are produced in Montana than anywhere else in North America. [18 ...
The highest point in the Little Belt Range is Big Baldy Mountain at 9,467 feet (2,886 m). The Little Belts have been mined for silver since the 1880s, and for sapphire since 1896. [1] The sapphires, called Yogo sapphires as they are mined near Yogo Creek, occur in a formation three miles (4.8 km) long and eight feet (2.4 m) across. [1]
The Skalkaho Pass (Salish: Sq̓x̣q̓x̣ó, "many trails" [1]), 7,258 feet (2,212 m) above sea level, [2] is a pass in the Sapphire Mountains in southwest Montana traversed by Montana Highway 38.
The most important mines, including the Hummingbird, Slim Jim, Schabert, Baker Group, and Three Sisters, are all located along the divide between Confederate Gulch and White Creek, principally on Miller Mountain. Lode mines produced only $100,000 in gold, while the placers of Confederate Gulch yielded this sum one hundred and fifty times over.
The Sapphire Mountains are a range of mountains located in southwestern Montana in the northwestern United States.From a point near the Clark Fork River and the city of Missoula, they run in a southerly direction for a distance of approximately 60 miles (100 km), making up much of the border between Ravalli County (to the west) and Granite County.
Rock Creek is a 52-mile (84 km) river in Missoula and Granite County, Montana. Rock Creek is a tributary of the Clark Fork river. The river's headwaters are in Lolo National Forest near Phillipsburg, Montana. The river roughly parallels the Sapphire Mountains and enters the Clark Fork of the Columbia River near Clinton, Montana.
Homestake Mine. The New World Mining District is an area of mineralization that sits within Gallatin National Forest to the northeast of Cooke City and Yellowstone National Park, in Park County, Montana, United States. The district hosts extensive deposits of gold, silver and copper in zones of carbonate replacement.
Philipsburg is a town in and the county seat of Granite County, Montana, United States. [3] The population was 841 at the 2020 census. [4] The town was named after the famous mining engineer Philip Deidesheimer, who designed and supervised the construction of the ore smelter around which the town originally formed. [5]