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dc.contributor.author Hubbard, Bryn
dc.contributor.author Glasser, Neil F.
dc.contributor.author Hambrey, Michael J.
dc.contributor.author Etienne, James L.
dc.date.accessioned 2008-12-11T16:14:41Z
dc.date.available 2008-12-11T16:14:41Z
dc.date.issued 2004-03-01
dc.identifier.citation Hubbard , B , Glasser , N F , Hambrey , M J & Etienne , J L 2004 , ' A sedimentological and isotopic study of the origin of supraglacial debris bands: Kongsfjorden, Svalbard ' Journal of Glaciology , vol 50 , no. 169 , pp. 157-170 . , 10.3189/172756504781830114 en
dc.identifier.issn 0022-1430
dc.identifier.other PURE: 94535
dc.identifier.other dspace: 2160/1557
dc.identifier.uri http://hdl.handle.net/2160/1557
dc.identifier.uri http://www.ingentaconnect.com/content/igsoc/jog/2004/00000050/00000169/art00001 en
dc.description Hubbard, B., Glasser, N. F., Hambrey, M. J., Etienne, J. L. (2004). A sedimentological and isotopic study of the origin of supraglacial debris bands: Kongsfjorden, Svalbard. Journal of Glaciology, 50 (169), 157-170. RAE2008 en
dc.description.abstract Debris bands associated with supraglacial moraines and associated basal deposits have been logged and sampled for their ice and debris at three glaciers in north-west Spitsbergen, Svalbard. Physical properties, including sediment concentrations, sediment particle-size distributions, clast macro-fabrics, and oxygen isotope compositions, indicate that all transverse and some longitudinal debris bands originate from the basal zone of these glaciers. Transverse supraglacial bands are composed of extensive stratified-facies basal ice that is enriched in 18O and which contains polymodal debris with spatially consistent clast fabrics. These properties suggest initial formation as basal ice and subsequent elevation into an englacial position by thrusting rather than formation as crevasse fills. The formation of longitudinal debris bands results from laterally compressive folding in response to the convergence of multiple flow units into a narrow glacier tongue. In common with transverse debris bands, longitudinal bands appear to be composed of stratified basal ice. The bands exposed at the surface of austre Brøggerbreen comprise two subfacies, strongly suggesting that the glacier was at least partially warm-based in the past, when the basal ice formed. en
dc.format.extent 14 en
dc.language.iso eng
dc.relation.ispartof Journal of Glaciology en
dc.title A sedimentological and isotopic study of the origin of supraglacial debris bands: Kongsfjorden, Svalbard en
dc.type Text en
dc.type.publicationtype Article (Journal) en
dc.identifier.doi http://dx.doi.org/10.3189/172756504781830114
dc.contributor.institution Institute of Geography & Earth Sciences en
dc.contributor.institution Centre for Glaciology en
dc.description.status Peer reviewed en


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