hydrogen sulfide.
Interesting.
that is interesting. i don’t believe that any reports on the ground described an algae covered surface. interesting algae and plants that have adapted to a heavy, salt lake. (me thinks this was an Earth flatulence)
H2S emissions from geothermal fields/plants. I thought this was interesting.
http://www.os.is/gogn/unu-gtp-report/UNU-GTP-2007-05.pdf