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Smoking fumaroles of Bumpass Hell, Lassen Volcanic park, California. Visible yellow sulfur cristals.
Hverir geothermal area in Iceland
Noboribetsu Jigokudani or Hell Valley above the town of Noboribetsu Onsen, hot steam vents, sulfurous streams ,volcanic activity.
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.
Mud pots erupting at the Fountain Paint Pots in Yellowstone National Park in Wyoming
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.
A view of hot water mud in Uyuni, Bolivia
Teide's National Park, Volcanic Bombs embeded in Lapilli slopes.  Multicolors Volcanic Rocks. Tenerife, Canary Islands\n\nDescurainia bourgaeana plants
colors and textures of rioTinto mining
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.
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
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.
Bumpass Hell, Lassen volcano national park. Hydrothermal area with a trail past mud pots, fumaroles, boiling springs, and mountain views
Background, flowing water on volcanic rock
Lassen National Park - California
Mud Volcano and Mud Caldron view in Yellowstone National Park, Wyoming, USA.
Brokeoff Mountain is the eroded remnant of an ancient stratovolcano.
Bumpass Hell area of Lassen Volcanic National Park in California. Part of the Cascade Mountain Range. Dried hot springs next to the Boiling Springs Lake. Dried mud forming cracks.
Chemical industry waste.
Painted Dunes at Cinder Cone Crater \nLassen Volcanic National Park
The Hveradalir Geothermal Area in Iceland on a Foggy Summer Day
Krafla lava fields are volcanic fissure zone, mixite of old and new lava field.
Bubbles in mud Gysir Berly Spring in Yellowstone National Park with beautiful scenery. USA
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
Drone Aerial view on water bay with rocks and pink sand, Crete island, Greece. Beautiful sea coastline on Elafonisi beach  from above
The colors of the rocks are striking and due in part to varying minerals in the waters of the area.
Salt and rock details, Atacama desert
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