Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/6402
DC Field | Value | Language |
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dc.contributor.authorall | Frank, T. D.; Department of Geosciences, 214 Bessey Hall, University of Nebraska–Lincoln, Lincoln, Nebraska 68588-0340, USA | en |
dc.contributor.authorall | Gui, Z.; Department of Geosciences, 214 Bessey Hall, University of Nebraska–Lincoln, Lincoln, Nebraska 68588-0340, USA | en |
dc.contributor.authorall | ANDRILL SMS Science Team, Antarctica; Antarctic Drilling Project, Southern McMurdo Sound Project, ANDRILL Science Management Offi ce, 126 Bessey Hall, University of Nebraska–Lincoln, Lincoln, Nebraska 68588-0341, USA | en |
dc.contributor.authorall | ANDRILL SMS Science Team, Antarctica; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
dc.date.accessioned | 2010-12-16T11:07:39Z | en |
dc.date.available | 2010-12-16T11:07:39Z | en |
dc.date.issued | 2010-07 | en |
dc.identifier.uri | http://hdl.handle.net/2122/6402 | en |
dc.description.abstract | Sampling of interstitial fluids during deep coring in southern McMurdo Sound, Antarctica, revealed the presence of seawater-sourced, hypersaline brine at depths >200 m below the sea-floor. Na-Cl-Br and SO4-Cl-Br relationships are consistent with a concentration mechanism that involves the removal of pure H2O as ice and precipitation of mirabilite (Na2SO4·10H2O) during progressive freezing of seawater. The brine is in Neogene subglacial, glacimarine, and marine facies that record advance and retreat of glaciers through the Ross Sea embayment. In this environment, sea ice formation in semi-isolated marine basins that occupied flexural troughs along ice sheet margins produced dense brines that sank and infiltrated the permeable subglacial sediment. Repeated cycles of glacial advance and retreat provided multiple opportunities for batches of seawater to be transformed into brine that now is in the subsurface of southern McMurdo Sound. Results demonstrate the feasibility of brine formation via seawater freezing and attest to the potential of a cryogenic origin for subsurface brines in high-latitude regions of the Northern Hemisphere, as proposed by some workers. | en |
dc.language.iso | English | en |
dc.publisher.name | Geological Society of America | en |
dc.relation.ispartof | Geology | en |
dc.relation.ispartofseries | 7 / 38 (2010) | en |
dc.subject | ANDRILL | en |
dc.subject | SMS Project | en |
dc.subject | interstitial fluids | en |
dc.subject | hypersaline brine | en |
dc.title | Cryogenic origin for brine in the subsurface of southern McMurdo Sound, Antarctica | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 587-590 | en |
dc.subject.INGV | 04. Solid Earth::04.04. Geology::04.04.08. Sediments: dating, processes, transport | en |
dc.subject.INGV | 04. Solid Earth::04.04. Geology::04.04.10. Stratigraphy | en |
dc.identifier.doi | 10.1130/G30849.1 | en |
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Stewart, M.K., 1974, Hydrogen and oxygen isotope studies on the McMurdo ice shelf, Antarctica: New Zealand Journal of Geology and Geophysics, v. 18, p. 49–64. Talbot, C.J., 1999, Ice ages and nuclear waste isolation: Engineering Geology, v. 52, p. 177–192, doi: 10.1016/S0013-7952(99)00005-8. Walcott, R.I., 1970, Isostatic response to loading of the crust in Canada: Canadian Journal of Earth Sciences, v. 7, p. 716–734, doi: 10.1139/e70-070. Wooster, W.S., Lee, A.J., and Dietrich, G., 1969, Redefinition of salinity: Limnological Oceanography, v. 14, p. 437–438. | en |
dc.description.obiettivoSpecifico | 2.2. Laboratorio di paleomagnetismo | en |
dc.description.obiettivoSpecifico | 3.8. Geofisica per l'ambiente | en |
dc.description.journalType | JCR Journal | en |
dc.description.fulltext | restricted | en |
dc.contributor.author | Frank, T. D. | en |
dc.contributor.author | Gui, Z. | en |
dc.contributor.author | ANDRILL SMS Science Team, Antarctica | en |
dc.contributor.author | ANDRILL SMS Science Team, Antarctica | en |
dc.contributor.department | Department of Geosciences, 214 Bessey Hall, University of Nebraska–Lincoln, Lincoln, Nebraska 68588-0340, USA | en |
dc.contributor.department | Department of Geosciences, 214 Bessey Hall, University of Nebraska–Lincoln, Lincoln, Nebraska 68588-0340, USA | en |
dc.contributor.department | Antarctic Drilling Project, Southern McMurdo Sound Project, ANDRILL Science Management Offi ce, 126 Bessey Hall, University of Nebraska–Lincoln, Lincoln, Nebraska 68588-0341, USA | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | restricted | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | Department of Geosciences, 214 Bessey Hall, University of Nebraska–Lincoln, Lincoln, Nebraska 68588-0340, USA | - |
crisitem.author.dept | Department of Geosciences, 214 Bessey Hall, University of Nebraska–Lincoln, Lincoln, Nebraska 68588-0340, USA | - |
crisitem.author.dept | 0 | - |
crisitem.author.dept | 0 | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.classification.parent | 04. Solid Earth | - |
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