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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.
Grand Loop road view, Calcite springs overlook and Yellowstone River in Yellowstone National Park, Wyoming, USA.
Liberty cap at the lower Mammoth Hot Springs in YellowstoneNational Park
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.
Stone formation „les orgues d'ille sur tet“ in southern France
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Palette Spring Terrace in Mammoth Hot Springs at Yellowstone National Park, Wyoming
Les Orgues d'Ille-sur-Tet are geological formations formed from sand and clay and have been shaped over time by erosion.  They consist of tall pillars of rock which have been eroded into wonderful 'organ-pipe like' shapes that stand up to 12 meters high.
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
Grand Loop road view, Calcite springs overlook and Yellowstone River in Yellowstone National Park, Wyoming, USA.
The view of a river cutting throught the mountain landscape with forests of green trees and blue skies in Yellowstone National Park
Hoodoos and dunes, Multicolor sandstone formations and vista of Bryce Canyon National Park, a public park for citizens and guests enjoyment in Utah, USA, North America.  Bryce Canyon full of red rocks, pink cliffs, and endless vistas. Many Hoodoos can be seen in every photo.
Monolith at Mammoth Hot Springs in Yellowstone Park.
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.
magnificent wild landscape in the Yellowstone National Park, Wyoming, United states of America
Banff National Park in Alberta in Canada
Yellowstone national park in Montana
Grand Loop road view, Calcite springs overlook and Yellowstone River in Yellowstone National Park, Wyoming, USA.
The Yellowstone river from the Calcite Springs overlook in the northern part of Yellowstone National Park
Cliffs of the Musselshell river in rural Montana in northwestern USA of North America.
Fossil fumaroles formed by erosion along the south edge of the canyon of Wheeler Creek in Crater Lake National 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.
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.
Beautiful sandstone rock formations along the highway.
a scenic landscape in Bryce Canyon National Park Utah in winter
Banff National Park in Alberta in Canada
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