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Rhyolite is a type of extrusive igneous rock characterised by its light color, high silica content, and fine-grained texture. It forms from the rapid cooling of magma on the Earth's surface and is often associated with volcanic eruptions. Rhyolite is rich in silica (SiO₂), typically containing more than 70% silica. It is composed mainly of quartz and feldspar, with minerals like biotite, hornblende, and pumice often present.
Narman Fairy Chimneys Narman Erzurum Turkey
The magical canyons, pre-coulmbian ruins and settlements of Canyon de Chelly National Monument in the summer of 2008.
Boulders on mountain top in beautiful landscape. Grand Canyon of the Yellostone. Overlook of the Lower Falls. Canyon and river. Beautiful landscape in Yellowstone National Park.\nWaterfall, river, forests, mountains, sky. USA
Bryce Canyon's intricate maze of hoodoos and vibrant rock formations stretch endlessly, showcasing layers of vivid colors and textures sculpted by time and erosion.
Scenic canyon in Deyang, China
Landscape
Cliffs of the Musselshell river in rural Montana in northwestern USA of North America.
Badlands of the Coloraos. Granada Desert.
Majestic landscapes of the Bryce Canyon National Park. Hiking during a hot and dry summer day in the Walls Street trail and Navajo loop trail
View over Bryce Canyon from Bristle Cone Trail
Painted Wall at Dragon Point in Black Canyon of the Gunnison National Park, Colorado, USA
Looking down into the Grand Canyon at the cliffs and pillars and vegetation and rough grainy eroding sandstone in rusty colors.
Stone and soil background
Rock formations in Colorado National Monument, Grand Junction, USA
This dramatic geological feature stretching about 20 miles long and reaching depths of up to 1,200 feet is carved by the Yellowstone River. It was first officially documented during the Washburn-Langford-Doane Expedition of 1870. The expedition was led by Henry D. Washburn, Nathaniel P. Langford, and Gustavus C. Doane.
Arizona Vacation
USA Southwest outdoors: Hiking on the trails of Capitol Reef National Park. Sedimentary rock formations, navajo sandstone, gold for geology
Ancient rocks stone part under the Meakong river basin cut-out on white background isolate,
low angle view of basalt rocks background in autumn day.
Wadi Disah, Al Shaq canyon of Saudi Arabia
These pock-marked formations, usually found along sandstone washes and canyons, have been called “Swiss cheese” and other fanciful names, but are currently referred to by the more prosaic term “solution cavities”.  These examples are found in Capitol Reef National Park, Utah.
Low Angle View Of Rock Formation Against Sky
Scenic view of deserted canyon in Kazakhstan at sunset
Eroded by water and wind cliffs in the canyon. Little Wild Horse Canyon. San Rafael Swell, Utah USA
Majestic landscapes of the Bryce Canyon National Park. Woman hiking during a hot and dry summer day in the Walls Street trail and Navajo loop trail
Dips with rocks in the steppe zone
Veins of different metamorphic rock along the Canyon wall of the Black Canyon of the Gunnison river, Colorado.
Old rock layers in canyon
Massive, tall pink and white sandstone rock formations in the Garden of the Gods of Colorado Springs, Colorado in western USA of North America.
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