Helium isotope evidence for off-axis degassing of the Icelandic hotspot

We report a helium and carbon survey of 16 hydrothermal localities from Vestfirdir—the northwest peninsula of Iceland. The region is situated ∼250 km away from the Icelandic rift-axis, and is characterized by low-temperature (

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Bibliographic Details
Published in:Chemical geology 1998-07, Vol.149 (3), p.173-187
Main Authors: Hilton, D.R., Gronvold, K., Sveinbjornsdottir, A.E., Hammerschmidt, K.
Format: Article
Language:English
Subjects:
Degassing
Helium isotopes
Hydrothermal fluids
Icelandic plume
Volatile flux
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Description
Summary:We report a helium and carbon survey of 16 hydrothermal localities from Vestfirdir—the northwest peninsula of Iceland. The region is situated ∼250 km away from the Icelandic rift-axis, and is characterized by low-temperature (
ISSN:0009-2541
1872-6836
DOI:10.1016/S0009-2541(98)00044-8