Yellowstone Brimstone Basin (Wyoming, USA)

Yellowstone National Park, Wyoming

Volcano: Yellowstone Plateau (see Yellowstone Plateau at the Smithsonian Institution website in a new tab)
Type: Soil Diffuse Emission
Description: Brimstone Basin is characterized by large expanses, ~1.1 km2 in total, of highly-altered Tertiary-aged andesite of the Langford formation of the Absaroka Volcanic Supergroup rocks. The altered areas are mostly devoid of vegetation and the barren surface is generally bright white in color and is recognizable from afar.The presence of sulfur and sulfur-bearing minerals is evident across the altered areas at Brimstone Basin, and there is a great deal of physical evidence of present-day degassing of H2S.

Point of contact for this site:
Cynthia Werner, (U.S. Geological Survey, Alaska Volcano Observatory)

Number of measurements: 1
Measurement date (d/m/y) Added by Added on
Brimstone Basin_2409200824/9/2008 Emanuela Bagnato Sept. 30, 2016

Bibliographic references for this site

Bergfeld D. , W.C. Evans, J.B. Lowenstern, S. Hurwitz, 2012,Carbon dioxide and hydrogen sulfide degassing and cryptic thermal input to Brimstone Basin, Yellowstone National Park, Wyoming, Chemical Geology, vol.330/331, pp. 233–243, DOI:

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