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Animation: Retreating glaciers feed Lake Yosemite and open today's valley. Glacial systems reached depths of up to 4000 feet (1200 m) and left their marks in the Yosemite area. The longest glacier in the Yosemite area ran down the Grand Canyon of the Tuolumne River for 60 miles (95 km), passing well beyond Hetch Hetchy Valley.
Half Dome is a quartz monzonite batholith at the eastern end of Yosemite Valley in Yosemite National Park, California. It is a well-known rock formation in the park, named for its distinct shape. One side is a sheer face while the other three sides are smooth and round, making it appear like a dome cut in half.
Yosemite National Park (/ j oʊ ˈ s ɛ m ɪ t i / yoh-SEM-ih-tee [5]) is a national park of the United States in California. [6] [7] It is bordered on the southeast by Sierra National Forest and on the northwest by Stanislaus National Forest.
Articles concerning the geology of Yosemite National Park in the United States. Pages in category "Geology of Yosemite National Park" The following 24 pages are in this category, out of 24 total.
Yosemite Valley (/ j oʊ ˈ s ɛ m ə t i / yoh-SEM-ə-tee; Yosemite, Miwok for "killer") is a glacial valley in Yosemite National Park in the western Sierra Nevada mountains of Central California, United States.
Sentinel Rock is a granitic peak in Yosemite National Park, California, United States. It towers over Yosemite Valley, opposite Yosemite Falls. [5] Sentinel Rock lies 0.7 miles (1.1 km) northwest of Sentinel Dome.
The Arizona Geological Survey (AZGS) was established by the Arizona Legislature to investigate and describe Arizona's geology and to educate and inform the public regarding its geologic setting. Each year since 1915, AZGS has released geologic maps, formal reports, and other geology-related publications.
Johnson Granite Porphyry was named for Johnson Peak, the highest mountain in Tuolumne Meadows, Yosemite National Park. [ 1 ] Its area is estimated at 1,100 square kilometres (420 sq mi), the exposed area covering roughly 40 square kilometres (15 sq mi). [ 2 ]