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Subglacial till: A physical framework for its properties and processes
Journal of Geophysical Research: Solid Earth, 1987The continuum theory of mixtures provides a framework around which present knowledge of subglacial till can be organized. The proposed framework is provisional in two senses: the constitutive description of till will require improvement, and not all potentially significant processes have been included.
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Particle and aggregate mobility in till: Microscopic evidence of subglacial processes
Quaternary Science Reviews, 1997Abstract Microscopic studies of tills show that the deforming bed of glaciers is made up of minute rotational elements or wheels, consisting of a nucleus alone or a nucleus with spiralling arms of fine grains. These fine grains can move from one wheel to the next, providing a process of high grain mobility within a deforming subglacial till ...
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Subglacial processes from drumlins in Clew Bay, western Ireland
Earth Surface Processes and Landforms, 2015AbstractInterpretation of subglacial processes and environments can be usefully informed by the stratigraphy and structures of sediments preserved within drumlins, and the down‐ice variability of these sediments. Drumlins in Clew Bay, western Ireland, were formed by westward late Pleistocene ice flow onto the Atlantic shelf, but the depositional ...
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Investigating Antarctic subglacial hydrologic processes from marine sediment cores
2023Understanding processes operating beneath glacial ice is imperative for holistic knowledge of glaciated regions and for accurately projecting future behavior of and sea-level contributions from the Antarctic Ice Sheet. Evolution of subglacial hydrologic networks is one such process where knowledge gaps persist, in large part because of the challenges ...
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Models of deformation processes within subglacial tills -the application of microsedimentology
2020Menzies, John, Paulen, Roger C.
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Subglacial processes from drumlins in Clew Bay, western Ireland
Earth Surface Processes and Landforms, 2016Jasper Knight
exaly