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New Zealand
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We
were outfitted by our guides with these |
The
ceilings of the Waitomo |
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Some
of us braved the heated mineral springs
all the way up to our knees! |
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Gorge hiking at Waitomo Caves with Instructors Sheila Frankel, Assistant Director of Parsons Lab, CEE & Don Frankel (Ph.D. 1974). |
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The
thermal activity made
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The fumes, located in the center
of Rotorua, New Zealand, consisted of Hydrogen Sulfide, boiling ground water and mud, and highly acidic surface waters (pH of 2). |
Taking the pH of Lake Rotorua. The levels are at pH 2; your stomach acid is at pH 1.