Biogeochemical sulphur cycle in an extreme environment - Life beneath a high arctic glacier, Nunavut, Canada
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Abstract
Unique springs discharge from the surface of a high arctic glacier, releasing H2S, and depositing native sulphur, gypsum, and calcite. A rare CaCO3 polymorph, vaterite, is also observed. Physical and chemical conditions of the spring water and surrounding environment, as well as mineralogical and isotopic signatures, argue for biologically mediated redox reactions controlling sulfur. Cell counts and DNA analyses, confirm bacteria are present in the spring system. ?? 2003 Elsevier Science B.V. All rights reserved.
Suggested Citation
Grasby, S., Allen, C.C., Longazo, T., Lisle, J., Griffin, D., Beauchamp, B., 2003, Biogeochemical sulphur cycle in an extreme environment - Life beneath a high arctic glacier, Nunavut, Canada, in Journal of Geochemical Exploration, v. 78-79, p. 71-74, https://doi.org/10.1016/S0375-6742(03)00026-8.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Biogeochemical sulphur cycle in an extreme environment - Life beneath a high arctic glacier, Nunavut, Canada |
| DOI | 10.1016/S0375-6742(03)00026-8 |
| Volume | 78-79 |
| Year Published | 2003 |
| Language | English |
| Larger Work Title | Journal of Geochemical Exploration |
| First page | 71 |
| Last page | 74 |