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Painted Dunes at Cinder Cone Crater \nLassen Volcanic National Park
Mud pots erupting at the Fountain Paint Pots in Yellowstone National Park in Wyoming
A view of hot water mud in Uyuni, Bolivia
Hverir geothermal area in Iceland
Smoking fumaroles of Bumpass Hell, Lassen Volcanic park, California. Visible yellow sulfur cristals.
Otlukbeli is the world's only travertine set lake formed by mineral waters. The red earth and minerals mixed with the mineral waters cause the spring waters that come to the surface through the stone joints to turn red.
colors and textures of rioTinto mining
Teide's National Park, Volcanic Bombs embeded in Lapilli slopes.  Multicolors Volcanic Rocks. Tenerife, Canary Islands\n\nDescurainia bourgaeana plants
Chemical industry waste.
Pinus jeffreyi, also known as Jeffrey pine, Jeffrey's pine, yellow pine and black pine, is a North American pine tree. It is mainly found in California. Pine cone. In the Mono-Inyo Craters area a volcanic chain of craters, domes and lava flows in Mono County, Eastern California.  Pinaceae.
Slot Canyon featuring Cone shaped Tent Rocks -Multicolored rocks shaped like traditional native American tents. Kasha-Katuwe Tent Rocks National Monument in New Mexico, SW USA. Cochiti Pueblo New Mexico. the cone shaped tent rock formations are the products of volcanic eruptions.
Rock sediment in Lassen National Park, near the Sulphur Works area. California, USA
This area is known for its bubbling mud pots, fumaroles, and acidic hot springs. Grizzly Fumarole emits steam and gases, including hydrogen sulfide, which gives the area its characteristic sulfuric smell. Its location near Mud Volcano highlights the region's geothermal activity, driven by the heat from the Yellowstone supervolcano beneath. The fumarole's occasional rumbling sound resembles a grizzly bear’s growl, which is how it got its name.
Bumpass Hell, Lassen volcano national park. Hydrothermal area with a trail past mud pots, fumaroles, boiling springs, and mountain views
Visitors get a close up view of one of more than 10,000 thermal features in Yellowstone. Research on heat-resistant microbes in the park’s thermal areas has led to medical, forensic, and commercial uses.
Lassen National Park - California
Fountain Paint Pot area in the Lower Geyser Basin of  Yellowstone National Park, Wyoming. Geothermal activity at the Lower Geyser Basin.
Brokeoff Mountain is the eroded remnant of an ancient stratovolcano.
Krafla lava fields are volcanic fissure zone, mixite of old and new lava field.
The Salton Sea in California
California’s Lassen Peak, having last erupted in 1914, is one of the more recent eruptions in the country. Today it is dormant but there is still much geothermal activity in the area. Sulphur vents, mud pots and boiling springs prove that the earth is not asleep. This geothermal mound was photographed at Sulphur Works in Lassen Volcanic National Park, California, USA.
Bubbles in mud Gysir Berly Spring in Yellowstone National Park with beautiful scenery. USA
High angle close-up long exposure of flowing water from wet rock formation in forest at Petanjski Springs
Eroded bauxite rock formation with bright orange colors in an abandoned bauxite mine
Slot Canyon featuring Cone shaped Tent Rocks -Multicolored rocks shaped like traditional native American tents. Kasha-Katuwe Tent Rocks National Monument in New Mexico, SW USA. Cochiti Pueblo New Mexico. the cone shaped tent rock formations are the products of volcanic eruptions.
Boiling, muddy pools of water
Salt and rock details, Atacama desert
The colors of the rocks are striking and due in part to varying minerals in the waters of the area.
Background, flowing water on volcanic rock
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