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ToolsGrasby, Stephen E., Beauchamp, Benoit and Bense, Victor (2012) Sulfuric acid speleogenesis associated with a glacially driven groundwater system—Paleo-spring “pipes” at Borup Fiord Pass, Nunavut. Astrobiology, 12 (1). pp. 19-28. ISSN 1531-1074
Full text not available from this repository.Abstract
Gypsum filled “pipe” features were discovered in the proglacial area of the Borup Fiord Pass supraglacial sulfur spring. Stable isotope data suggest that gypsum is formed through oxidation of sulfides and are consistent with models of sulfuric acid speleogenesis. These results suggest that gypsum pipes are paleo-spring discharge channels analogous to those that feed the modern sulfur spring at Borup Fiord. A conceptual model is proposed whereby retreat of the glacial front and associated growth of permafrost in ground exposed now to low arctic temperatures leads to “freezing-in” of the spring system and abandonment of old channels in favor of more open flow systems in the subglacial region. Results provide a model for glacially driven groundwater systems that may form in association with Mars' polar icecaps and potential geological signatures for paleo-groundwater discharge.
| Item Type: | Article |
|---|---|
| Faculty \ School: | Faculty of Science > School of Environmental Sciences |
| UEA Research Groups: | Faculty of Science > Research Groups > Geosciences Faculty of Social Sciences > Research Centres > Water Security Research Centre Faculty of Science > Research Groups > Geosciences and Natural Hazards (former - to 2017) |
| Depositing User: | Victor Bense |
| Date Deposited: | 29 Apr 2013 13:16 |
| Last Modified: | 02 Feb 2024 01:35 |
| URI: | https://ueaeprints.uea.ac.uk/id/eprint/42226 |
| DOI: | 10.1089/ast.2011.0700 |
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