Inorganic and biogenic As-sulfide precipitation at seafloor hydrothermal fields

@inproceedings{Dekov2013InorganicAB,
  title={Inorganic and biogenic As-sulfide precipitation at seafloor hydrothermal fields},
  author={Vesselin M. Dekov and Luca Bindi and Ga{\"e}tan Burgaud and Sven Petersen and Dan Asael and Vanessa Rédou and Yves Fouquet and Bernhard Pracejus},
  year={2013}
}
Highlights: • As-sulfides are minor minerals at volcanic arc and back-arc hydrothermal settings. • There are two modes of As-sulfide precipitation: inorganic and biogenic. • The most stable As-sulfide at low-T seafloor hydrothermal conditions is orpiment. • Biogenic type of orpiment represents completely mineralized fungal hyphae. • Fungal orpiment precipitation is a mechanism of bio-sequestration of hydrothermal As. We investigated As-sulfides (orpiment, As2S3 and realgar, As4S4) from… CONTINUE READING

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