Tag Archives: volcanic

Grand Prismatic Spring I

photograph of the Grand Prismatic Spring in Yellowstone National Park

As hot mineral water seeps out of the Grand Prismatic Spring in Yellowstone National Park it leaves tiny layers of minerals.  The heat of the water provides an ideal environment for bacteria, which grow in colorful mats over the wavy mineral deposits.  The end result is an amazing display of color and texture.

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Geothermal Features

photograph of geothermal features near Old Faithful in Yellowstone National Park

The constant bubbling of mineral infused, hot water leaves colorful, thin layers of sediment throughout the geothermal areas of Yellowstone National Park.  The hot spring in the foreground of this photo reminds me of a lunar crater while the colorful cliff and distant steam behind it add to the other-worldliness of the scene.


Dragon’s Mouth

photograph of the Dragon's Mouth steam vent in Yellowstone National Park

One of the geothermal features we liked best at the Mud Volcano in Yellowstone National Park was “Dragon’s Mouth”.  The combination of steam and the deep, hissing and gurgling sounds that occasionally come from the vent make the name somewhat self explanatory when you’re there.


Evening At Grand Prismatic Spring

photograph of the board walk around Grand Prismatic Spring at Yellowstone National Park

The sun hung low in the sky as I made my way toward the Grand Prismatic Spring, in Yellowstone National Park.  I liked the strong contrast of the sun reflecting off the water and the silhouettes of the mountains and other park visitors.