Query: G.N.I.S.

See also: Mammoth Mountain. Yellowstone National Park.

The Mud Volcano thermal area is smaller than many other Yellowstone thermal areas, but is located close to the point of maximum uplift of the caldera fl oor (~72 cm) that occurred between 1923 and 1976, and discharges gas with the highest, most magmatic 3He/4He ratios in the park. The thermal area comprises ~30 separate hydrothermal features consisting of fumaroles, gassy pools, and mudpots, plus several zones where CO2 issues diffusely through the soil (Evans, et al., 2010)

Elevation: 7743ft, 2360m.

Articles that refer to this location:

• Field Notes: 16 Aug 2011; 
• Grand Loop, Yellowstone National Park, Wyoming: at Mud Volcano; 

Literature Referring To This Location:

• Evans, William C., Deborah Bergfeld, John P. McGeehin, John C. King, and Henry Heasler. 2010. Tree-ring ¹⁴C links seismic swarm to CO₂ spike at Yellowstone, USA. Geology. 38(12):1075-1078. {TAS-pdf}

A, B, C, D, E, F, G, H, I, J, K, L, M,
N, O, P, Q, R, S, T, U, V, W, X, Y, Z

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Date and time this article was prepared:5:36:39 PM, 11/3/2024.