2011
DOI: 10.1016/j.sedgeo.2011.04.016
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Subglacial deforming bed conditions recorded by late Quaternary sediments exposed in Vineland Quarry, Ontario, Canada

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Cited by 10 publications
(6 citation statements)
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References 90 publications
(138 reference statements)
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“…Barnett et al 1998;Pugin et al 1999;Russell et al 2003a, b;Sharpe et al 2004) that suggest that regional-scale meltwater storage and discharges events may have significantly influenced glacier dynamics (e.g., thinner ice sheets with lower gradients) and the style of the deglacial sequence. Nevertheless, recent studies of Halton formation (Halton Till and related sediments; Meyer and Eyles 2007;Eyles et al 2010;Maclachlan and Eyles 2011) conclude that Halton formation formed as deforming beds in ice streams as the grounded Ontario…”
Section: R a F Tmentioning
confidence: 99%
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“…Barnett et al 1998;Pugin et al 1999;Russell et al 2003a, b;Sharpe et al 2004) that suggest that regional-scale meltwater storage and discharges events may have significantly influenced glacier dynamics (e.g., thinner ice sheets with lower gradients) and the style of the deglacial sequence. Nevertheless, recent studies of Halton formation (Halton Till and related sediments; Meyer and Eyles 2007;Eyles et al 2010;Maclachlan and Eyles 2011) conclude that Halton formation formed as deforming beds in ice streams as the grounded Ontario…”
Section: R a F Tmentioning
confidence: 99%
“…A variant of the re-worked glaciolacustrine bed model and the deforming bed process model has been suggested to explain deposition of Halton Till and formation of small moraines marginal to the western end of Lake Ontario (Eyles et al 2010;Maclachan and Eyles 2011). They suggest D r a f t that surging and /or ice stream flow along the axis of the Lake Ontario basin, resulted in the repeated incremental deposition of fine-grained debris as a deforming bed (Eyles et al 2010) or that glaciolacustrine conditions prevailed, followed by deformation and deposition from overriding Halton ice (Maclachlan and Eyles 2011). Massive diamicton could have been formed by a deforming bed process under elevated porewater pressure conditions (Iverson 2010) such as within Halton diamicton.…”
Section: Deformable Bedsmentioning
confidence: 99%
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“…This 'paradigm shift' in glaciology (Boulton, 1986) was based upon theoretical and field based models that demonstrated that a component of forward glacier motion was accommodated by deformation within the substrate or subglacial bed (Boulton, 1986;Boulton and Hindmarsh, 1987). Subglacial deformable beds have since been widely recognised or inferred beneath both modern (Alley et al, 1986;Dowdeswell et al, 2004) and ancient ice masses (Hicock et al, 1989;Clark and Walder, 1994;Hart, 2007;Maclachlan and Eyles, 2011). They possess a distinctive glacitectonic structure characterised by a vertical variation in cumulative strain reflected in systematic changes in the style and relative intensity of deformation (Banham, 1977;Hart and Boulton, 1991;Benn and Evans, 1996;Evans et al, 2006).…”
Section: Evolution Of Glacitectonic Theorymentioning
confidence: 99%
“…Hypotheses on the deposition of mud-rich massive diamictons range from subglacial deposition of an advancing or oscillating glacier (e.g., Karrow 1967;Barnett 1992) to deposition solely by lake processes (e.g., Eyles and Eyles 1983). Other hypotheses include deposition by surging (Clayton et al 1985), a deforming bed (Meyer and Eyles 2007;Eyles et al 2011;Maclachlan and Eyles 2011), and at the grounding line of a floating glacier at the margin of a subglacial lake (Sharpe and Russell 2016).…”
Section: Introductionmentioning
confidence: 99%