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The Birth of a Black Smoker illustration

The Birth of a Black Smoker illustration
The Birth of a Black Smoker illustration
The Birth of a Black Smoker illustration
The Birth of a Black Smoker illustration
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596859
Doucette, Jayne H.
The Birth of a Black Smoker illustration
Illustration
01/01/2004
Tivey two smokers.jpg
Date is approximate.
Caption from Oceanus magazine, Vol. 42, No. 2, Pg. 62:
The key to the creation of black smoker chimneys is an unusual chemical property of the mineral anhydrite, or calcium sulfate (CaSO4). Unlike most minerals, anhydrite dissolves at low temperatures and precipitates at high temperatures greater than ~150˚C (302˚F).
Illustration by Jayne Doucette
© Woods Hole Oceanographic Institution
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