Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/6965| DC Field | Value | Language |
|---|---|---|
| dc.contributor.authorall | Cianfarra, P. | en |
| dc.contributor.authorall | Forieri, A. | en |
| dc.contributor.authorall | Salvini, F. | en |
| dc.contributor.authorall | Tabacco, I. E. | en |
| dc.contributor.authorall | Zirizzotti, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
| dc.date.accessioned | 2011-03-22T10:28:16Z | en |
| dc.date.available | 2011-03-22T10:28:16Z | en |
| dc.date.issued | 2009-06 | en |
| dc.identifier.uri | http://hdl.handle.net/2122/6965 | en |
| dc.description.abstract | This study presents the interpretation of radio echo-sounding (RES) data collected during the 2003 geophysical campaign of PNRA (Italian National Research Project in Antarctica), which focused on the exploration of the Concordia Trench-Lake system in East Antarctica. The data allow us to identify a new lake (ITL-28) at the southern edge of the Concordia Trench and a series of N–S trending subglacial troughs cutting through the Belgica Highlands. We have mapped the bedrock morphology at 3 km resolution, which led to an improved geographical and geomorphological characterization of the Concordia Trench, Concordia Ridge, Concordia Lake and South Hills. Improved knowledge of the Concordia Trench allowed us to model the 3-D geometry of the Concordia fault, suggesting that it played a role in governing the morpho-tectonic evolution of the bedrock in the Dome C region, and to propose a Cenozoic age for its activity. We recognize the importance of catchment basin morphology in hosting subglacial lakes, and discuss the role played by tectonics, glacial scouring and volcanism in the origin of the trench lakes, basin lakes and relief lakes, respectively. | en |
| dc.language.iso | English | en |
| dc.publisher.name | Wiley | en |
| dc.relation.ispartof | Geophysical Journal International | en |
| dc.relation.ispartofseries | /177 (2009) | en |
| dc.subject | Intra-plate processes; Cratons; Tectonics and landscape evolution, Antarctica | en |
| dc.title | Geological setting of the Concordia Trench-Lake system in East Antarctica | en |
| dc.type | article | en |
| dc.description.status | Published | en |
| dc.type.QualityControl | Peer-reviewed | en |
| dc.description.pagenumber | 1305–1314 | en |
| dc.subject.INGV | 02. Cryosphere::02.02. Glaciers::02.02.03. Geomorphology | en |
| dc.identifier.doi | 10.1111/j.1365-246X.2009.04123.x. | en |
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Physiography and tectonic setting of the subglacial lake district between Vostok and Belgica Subglacial Highlands (Antarctica), Geophys. J. Int., 165(3), 1029–1040. doi: 10.1111/j.1365-246X.2006.02954.x Tapponnier, P. & Molnar, P., 1979. Active faulting and Cenozoic tectonics of the Tien Shan, Mongolia, and Baikal region, J. geophys. Res., 84(B7), 3425–3459. ten Brink, U.S. & Tayor, M.H., 2002. Crustal structure of central Lake Baikal: insight into intracontinental rifting, J. geophys Res., 107(B7), doi:10.1029/2001JB000300. Tikku, A.A., Bell, R.E., Studinger, M., Clarke, G.K.C., Tabacco, I. & Ferraccioli, F., 2005. Influx of meltwater to subglacial Lake Concordia, East Antarctica, J. Glaciol., 51(172), 96–104. Turcotte, D.L. & Schubert, G., 2002. Geodynamics, 2nd edn, pp. 105–129, Cambridge University Press, Cambridge, UK. Walsh, J.J. & Watterson, J., 1988. Analysis of the relationship between displacements and dimensions if faults, J. Struct. Geol., 10(3), 239–247. Weissel, J.K. & Karner, G.D., 1989. Flexural uplift of Rift Flanks due to mechanical unloading of the lithosphere during extension, J. geophys. Res., 94(B10), 13 919–13 950. Wingham, D.J., Siegert, M.J., Shepherd, A. & Muir, A.S., 2006. Rapid discharge connects Antarctic subglacial lakes, Nature, 440, 1033– 1036. | en |
| dc.description.obiettivoSpecifico | 3.8. Geofisica per l'ambiente | en |
| dc.description.journalType | JCR Journal | en |
| dc.description.fulltext | reserved | en |
| dc.contributor.author | Cianfarra, P. | en |
| dc.contributor.author | Forieri, A. | en |
| dc.contributor.author | Salvini, F. | en |
| dc.contributor.author | Tabacco, I. E. | en |
| dc.contributor.author | Zirizzotti, A. | 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 | Dipartimento di Scienze Geologiche - Università degli Studi di Roma Tre. | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
| crisitem.author.dept | Roma Tre University | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
| crisitem.author.orcid | 0000-0001-9396-4519 | - |
| crisitem.author.orcid | 0000-0001-7586-9219 | - |
| crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.classification.parent | 02. Cryosphere | - |
| crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| Appears in Collections: | Article published / in press | |
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| 2009 Cianfarra Geological Setting.pdf | 792.96 kB | Adobe PDF |
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