The case of the missing cinders
Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Blaine McCleskey, research chemist with the U.S. Geological Survey. Norris Geyser Basin is one of the most unique thermal areas in the world. It contains a wide variety of hot springs, pools, geysers, fumaroles, and mud pots. The water chemistry of the hydrothermal features at Norris is known as being “mixed,” ranging from acid-sulfate to neutral-chloride and combinations of the two. Norris is home to the highest (300–400 feet [90–120 meters]) erupting geyser in the world, Steamboat Geyser, and the highest temperature