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fossil collecting. Ammonite fossil in limestone rock

Storm clouds forming over geyser runoff in Yellowstone National Park

Healthy lifestyle age 20 - 55 Outdoor Experiences in Western USA Desert Colombian American Hispanic Female Friends on Outdoor Adventure Hiking, Playing in Snow and Adding to a Stacked Stone Cairn (Shot with Canon 5DS 50.6mp photos professionally retouched - Lightroom / Photoshop - original size 5792 x 8688 downsampled as needed for clarity and select focus used for dramatic effect)

hot spring in yellowstone national park

Calcareous slope in Costa Rica

Abandoned Ushakovsky coal mine in Tula Oblast, Russia

Jewel Geyser at Biscuit Basin on Upper Geyser Basin in Yellowstone National Park, Wyoming

Panorama shot of red steaming hot lake thermal spring in yellowstone national park in amerika, usa

Business man checking the time on his watch with clocks hanging on the wall

Petrified Forest National Park, a natural attraction place with many petrified tree trunks and fossils, in Arizona, USA.

This is big black stone in the mountains. This is beauty of nature. Amazing scene of mountains.

Midway Geyser Basin in Yellowstone National Park.

Time Concept Classic Vintage Pocket Clock on the Volcanic Rocks

Majestic rural landscape

Canyon with the river Dniester on an autumn day near the village of Subich. Podolsk Tovtry.

Utah, USA-September 10, 2011: The Yellow Stone National Park is one of the Natrual Wonders in the world. Here is the beautiful scenery of the National Park.

Geothermal landscape in Iceland

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.

Aerial view of Aktepe in local sunlight

Serre di Rapolano, Siena province, Tuscany. Industry of Travertino marble

Rock formation at Bisti Southern Section, Farmington, New Mexico, USA

cube calendar for october on wooden background with copy space

Majestic Yellowstone lake

Detail of huge Thassos white marble quarry (mine) with grabber

Aerial view of Midland Provincial Park, Canada.

Whiteboard with eco-labels, energy efficiency classes and hemisphere. Symbol for energy transition.

Unique geothermal features where hot springs deposit iron-rich minerals, creating reddish-brown formations resembling molten chocolate. These iron-oxide deposits are formed as the hot, mineral-laden water flows out and cools, precipitating the iron and other minerals. They were first documented by members of the Hayden Geological Survey of 1871, led by geologist Ferdinand V. Hayden.

The ice is beginning to break up. Warmer temperatures are heading to Interior Alaska, after a long harsh winter.

Sun setting over mudpot at Artists Paintpots in Yellowstone National Park, Wyoming, USA.

Closeup photo of a worn, weathered, grey rock surface on the south coast of NSW

Free Images: "bestof:Geologic Clock with events and periods.svg The geological clock a projection of Earth's 4 5 Ga history on a clock Ma a million years Megayear ago; Ga a billion"

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Fronton Panthéon Paris Dome chapiteaux.jpg

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