Other
Scientific paper
Mar 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977gecoa..41..419c&link_type=abstract
Geochimica et Cosmochimica Acta, vol. 41, Issue 3, pp.419-424
Other
3
Scientific paper
The results are presented of a survey of mercury concentrations in various parts of the Icelandic environment. Values for air and gas samples include: <0.03 g/m 3 for Reykjavík, 15-20 km away from a hydrothermal area; 1-3 g/m 3 for air in a hydrothermal area near Lake Mývatn; 12-30 g/m 3 for air in Heimaey during the 1973 eruption; and 16 g/m 3 for a sample of fumarole gas. Values for fresh igneous rocks, of various compositions, extrusive (subaerial), subaqueous (up to 3000 m depth), and intrusive, range between 2 and 9 ppb. Highest values obtained for uncontaminated samples are 37 ppb for a pyrite-bearing zone in a hydrothermal drill hole, and 125 ppb for a volcanic sublimate. The sources of the mercury levels observed are briefly discussed.
Coderre Jeffrey A.
Steinthorsson Sigurdur
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