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Microbial flocs and white sulfur blizzard after a seafloor volcanic eruption.

Microbial flocs and white sulfur blizzard after a seafloor volcanic eruption.
Microbial flocs and white sulfur blizzard after a seafloor volcanic eruption.
Microbial flocs and white sulfur blizzard after a seafloor volcanic eruption.
Microbial flocs and white sulfur blizzard after a seafloor volcanic eruption.
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596872
Haymon and Fornari, from DSV Alvin
Microbial flocs and white sulfur blizzard after a seafloor volcanic eruption.
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01/01/1991
wirsen fornari crip.jpg
Date is approximate.
Caption from Oceanus magazine, Vol. 42, No. 2, Pg. 72:
A MICROBIAL BLIZZARD—In 1991, scientists aboard the submersible Alvin witnessed the aftermath of a very recent volcanic seafloor eruption and found themselves in a torrent of white debris. The eruption flushed huge flocs of microbes (and white sulfur filaments created by the microbes) out of subsurface crevices and discharged them from the seafloor. The discovery pointed to previously unsuspected and potentially huge communities of microbes living beneath the seafloor.
Rachel Haymon, UCSB, and Dan Fornari, WHOI/WHOI National Deep Submergence Facility/Alvin Operations Group
© Woods Hole Oceanographic Institution
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