This small geyser, located in the Norris Geyser Basin of Yellowstone National Park, containes some of the most dramatic colors of all the pools, springs, and geysers. Norris Geyser Basin is the oldest and hottest themal area in all of Yellowstone.Temperatures of the water flowing from the springs and geysers often exceed boiling. Thermophile bacteria still exist in these extreme conditions and give color to the pools and springs. Karie has renamed this geyser Silver Purl … Pearl Geyser Arie Korporaal May 18, 2011