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The Squaw Creek Zeolite Occurrence, also known as the Riggins Paulingite Locality (though the exact phrasing can vary), is in central Idaho. [5] It is known for producing a variety minerals, especially zeolites, including analcime, calcite, chabazite, heulandite, mesolite, montmorillonite, opal, paulingite-K, phillipsite, and thomsonite. [6]
Big Southern Butte is the largest and youngest (300,000 years old) of three rhyolitic domes formed over a million years near the center of the Eastern Snake River Plain in the U.S. state of Idaho. [5] It is one of the largest volcanic domes on earth. [4]
South Menan Butte measures 3 km x 2 km. The crater of the North Menan Butte is about 3,000 feet (900 m) in diameter and the cone is about 6,000 feet (1,800 m) in diameter. The North Butte's volume is 0.16 cubic miles (0.70 cubic km) and the South Butte measures at 0.07 cubic miles (0.30 cubic km).
Near the Tri-Cities, rockhounding is popular along the Columbia River, Horse Heaven Hills, Saddle Mountains, Bickleton and the Ginkgo Petrified Forest State Park. Rockhounding on WA DNR-managed land
Middle Butte is situated 40 miles east of Craters of the Moon National Monument and Preserve, 35 miles west of the community of Idaho Falls, and can be seen from Highway 20 midway between Idaho Falls and Arco at milepost 271.
The Guffey Butte–Black Butte Archeological District is a 14,000 acres (57 km 2) historic district in southwestern Idaho, United States, that is listed on the National Register of Historic Places (NRHP). [1] It includes numerous archeological sites in Ada, Canyon, Elmore, and Owyhee counties.
East Butte and line parent Big Southern Butte were major landmarks for early explorers and pioneers. [4] The remote mountain is situated over 40 miles east of Craters of the Moon National Monument and Preserve, 32 miles west of the community of Idaho Falls, and can be seen from Highway 20 midway between Idaho Falls and Arco at milepost 274.
Rockhounding is permissible in many Bureau of Land Management areas with no permit required. Similarly, it allows for a reasonable amount, defined as up to 25 pounds a day and 250 pounds per year ...