what is composition of gaseous emissions from Mt Erebus and Mt? on antartica. understand these are continuous erruptions.

Dr. Neyenhuis

You've asked a timely question because there was just an article published about the gases coming out of Mt. Erebus: Zereda-Gostynska G, Kyle PR, Finnegan D, & Prestbo K (1997). Volcanic gas emissions from Mount Erebus and their impact on the Antarctic environment. J. Geophysical Research, vol. 102 no. b7, pp. 15,039-15,055. It looks like the gases are SO2, HCl, and HF. The abstract contains the following lines: "Many elements (S, Cl, and metals) found in the Erebus plume are common impurities in Antarctic snow. Using a model which assumes a homogeneous distributionof the volcanic gas plume over Antarctica, we suggest that Erebus could be a source of the impurities."

Sincerely,
Scott Rowland

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