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El Capitan is composed almost entirely of a pale, coarse-grained granite approximately 100 MYA (million years old). In addition to El Capitan, this granite forms most of the rock features of the western portions of Yosemite Valley. A separate intrusion of igneous rock, the Taft Granite, forms the uppermost portions of the cliff face.
Richardson interpreted the Guadalupe Mountains as an east-dipping monocline with a fault on the steep western boundary, and believed El Capitan itself was a product of erosion. [ 5 ] [ 6 ] Interest in the formation was rekindled by the discovery in May 1923 of the Big Lake oil field in Texas and the drilling of the first commercial oil well in ...
The valley is about 7.5 mi (12.1 km) long and 3,000–3,500 ft (910–1,070 m) deep, surrounded by high granite summits such as Half Dome and El Capitan, and densely forested with pines. The valley is drained by the Merced River, and a multitude of streams and waterfalls flow into it, including Tenaya, Illilouette, Yosemite and Bridalveil Creeks.
El Capitan Granite is a type of granite (also see granodiorite), in a large area near El Capitan, in Yosemite National Park, California, United States. The granite forms part of the Tuolumne Intrusive Suite (also known as Tuolumne Batholith), one of the four major intrusive suites within the Sierra Nevada .
The Guadalupe Mountains (Spanish: Sierra de Guadalupe) are a mountain range located in West Texas and southeastern New Mexico.The range includes the highest summit in Texas, Guadalupe Peak, 8,751 ft (2,667 m), and the "signature peak" of West Texas, El Capitan, both of which are located within Guadalupe Mountains National Park.
Monolith, the Face of Half Dome is a black and white photograph taken by Ansel Adams in 1927 that depicts the western face of Half Dome as seen from the "Diving Board". [45] It was used by the Sierra Club as a visual aid for the environmental movement, and was a part of the portfolio Parmelian Prints of the High Sierras.
Sentinel Dome is a granite dome in Yosemite National Park, United States.It lies on the south wall of Yosemite Valley, 0.8 miles (1.3 km) southwest of Glacier Point and 1.4 miles (2.3 km) northeast of Profile Cliff.
North Dome is a granite dome in Yosemite National Park, California. It is the southernmost summit of Indian Ridge, 0.6 miles (1.0 km) north of Washington Column and the Royal Arches on the northeastern wall of Yosemite Valley. It can be reached by trail from the Tioga Pass Road, or by going up the Yosemite Falls trail and heading east.