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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.
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
Beautiful sandstone rock formations along the highway.
In 1872, Yellowstone became the first national park for all to enjoy the unique hydrothermal and geologic features. Within Yellowstone National Park visitors have opportunities to observe wildlife in an intact ecosystem, explore geothermal areas that contain about half the world’s active geysers, and view geologic wonders.
Tower-Roosevelt Region has Tower Falls, Yellowstone River, geologic mountains capes and valleys. Calcite Springs is geothermal altered rhyolite and steep, columnar basalt cliffs on the opposite side of the river.
Liberty cap at the lower Mammoth Hot Springs in YellowstoneNational Park
Grand Loop road view, Calcite springs overlook and Yellowstone River in Yellowstone National Park, Wyoming, USA.
Stone formation „les orgues d'ille sur tet“ in southern France
Monolith at Mammoth Hot Springs in Yellowstone Park.
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.
The view of a river cutting throught the mountain landscape with forests of green trees and blue skies in Yellowstone National Park
Yellowstone canyon from Calcite Springs overlook showing the Absaroka volcanic layers. Yellowstone National Park, Wyoming.  Absaroka Volcanic layers of rock from the Yellowstone Plateau volcanic field. Columnar basalt formations.
Erosion has created beautiful and dramatic limestone spires on the walls of Yellowstone's Grand Canyon
Cliffs of the Musselshell river in rural Montana in northwestern USA of North America.
Mammoth, Hot Spring Terraces, Orange Spring Mound\n in Yellowstone National Park with beautiful landscape. the smell, the colors, the sounds are a natural experience. USA
Grand Loop road view, Calcite springs overlook and Yellowstone River in Yellowstone National Park, Wyoming, USA.
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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.
Dramatic landscape in Yellowstone National Park
The North Dakota Badlands in Northen Theodore Roosevelt National Park
Yellowstone national park in Montana
Top of sandstone formation in Garden of the Gods of Colorado Springs, Colorado, USA, North America
Rock formations caused by erosion of volcanic tuff in Wheeler Geological Area, Colorado
Grand Loop road view, Calcite springs overlook and Yellowstone River in Yellowstone National Park, Wyoming, USA.
Special landscapes made with film camera in 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.
a scenic landscape in Bryce Canyon National Park Utah in winter
Beautiful sandstone rock formations along the highway.
La Garita Wilderness
Columnar jointing in Pleistocene basalt flow south of Tower Junction overlying glacial gravel and Eocene Absaroka volcanic rock.
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