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  2. Geology of Idaho - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Idaho

    Since 1919, the Idaho Geological Survey (formerly Bureau of Mines and Geology) has studied and reported on the general and environmental geology of the state. The Survey also studies and reports on the water (both surface and ground), mineral data, and energy assets of the state.

  3. Idaho Batholith - Wikipedia

    en.wikipedia.org/wiki/Idaho_Batholith

    (Right) Geologic map of the Salmon River Arch separating the Idaho Batholith lobes. Generalized map of the Idaho Batholith showing the Atlanta lobe, the Bitterroot lobe, and the Challis suite. The Idaho Batholith is a granitic and granodioritic batholith of Cretaceous - Paleogene age that covers approximately 25,000 square kilometres (9,700 sq ...

  4. List of mountain ranges in Idaho - Wikipedia

    en.wikipedia.org/wiki/List_of_mountain_ranges_in...

    There are at least 115 named mountain ranges in Idaho. Some of these ranges extend into the neighboring states of Montana , Nevada , Oregon , Utah , Washington , and Wyoming . Names, elevations and coordinates from the U.S. Geological Survey , Geographic Names Information System .

  5. Snake River Plain - Wikipedia

    en.wikipedia.org/wiki/Snake_River_Plain

    The Snake River Plain is a geologic feature located primarily within the U.S. state of Idaho. It stretches about 400 miles (640 km) westward from northwest of the state of Wyoming to the Idaho-Oregon border. The plain is a wide, flat bow-shaped depression and covers about a quarter of Idaho.

  6. Geography of Idaho - Wikipedia

    en.wikipedia.org/wiki/Geography_of_Idaho

    The forest is in an area known as the Idaho Cobalt Belt, which consists of a 34 miles (55 km) long geological formation of sedimentary rock that contains some of the largest cobalt deposits in the U.S. [6] Idaho has two time zones, with the dividing line approximately midway between Canada and Nevada.

  7. Stibnite Mining District - Wikipedia

    en.wikipedia.org/wiki/Stibnite_Mining_District

    A specimen of stibnite. The Stibnite Mining District sits atop the Idaho Batholith, one of the signature features of Idaho’s unique geology.The Idaho Batholith is nearly 14,000 square miles (36,000 km 2) of granite, formed from the collision of the oceanic plate and the North American Plate around 100 million years ago during the Cretaceous period. [10]

  8. Snake River - Wikipedia

    en.wikipedia.org/wiki/Snake_River

    3 Geology. 4 History. ... Cities: Jackson, Wyoming, Idaho Falls, Idaho, Blackfoot, ... Map showing locations of dams on the lower Snake and Columbia rivers.

  9. Silver Valley (Idaho) - Wikipedia

    en.wikipedia.org/wiki/Silver_Valley_(Idaho)

    The growing recreational city of Coeur d'Alene is halfway in between. The extensive restoration efforts can be seen in the return of the tundra swans. Restoration means returning an area to its healthy natural habitat. [18] The Idaho Geological Survey lists several active and inactive mines in the Silver Valley: [19] Active Lucky Friday mine