Fumarole Composition of Mount Mageik and Trident Volcano, July 2013

Fumarole and steam condensate samples were collected from Mount Mageik and Trident volcano, Katmai Volcanic Cluster, Alaska in July 2013. Specifically, samples were collected from the northeast wall of the summit crater of Mount Mageik on 12 July 2013 (local time), and within the southeast flank fumarole field of Trident I on 16 July 2013. At each site, the following samples were collected: (1) total gas composition using a modified version of the Giggenbach method where samples were collected in 50 mL evacuated bottles containing 20 mL of a 0.15 M Cd(OH)2 and 4 M NaOH solution, (2) dry gas, and (3) steam condensate. The integrated analyses of these three samples from two locations at each of the two volcanoes are presented here.