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Basement Complex of the Rockies
Beartooth Mountains
The Beartooth Mountains are located in south central Montana and northwest Wyoming, U.S. The Beartooths are the location of Granite Peak, which at 12,807 feet is the highest point in the state of Montana.
The Beartooth mountains are composed of Precambrian granite and crystalline metamorphic rocks dated with zircon crystals at approximately 4 billion years old, making these rocks some of the oldest on Earth. The Stillwater igneous complex within the mountains is the location of the largest known deposits of platinum and chromium and the second largest deposits of nickel found in the U.S.
Stillwater Mine
The distance between each layer is equal to 1 inch.
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