50.3 MB (50.0 MB compressed)
3410 x 5159 pixels
29.0 x 43.7 cm ⏐ 11.4 x 17.2 in (300dpi)
MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Geothermal formation. This structure has been formed by deposits of silica from hot water issuing from a shaft. The dissolved silica precipitates out as the water cools. Geothermal areas are where volcanic activity drives hot water and steam to the surface. Photographed in Iceland.
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