877 resultados para Information Visualization Environment
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Thèse réalisée en cotutelle entre l'Université de Montréal et l'Université Pierre et Marie Curie, Paris 06, Sorbonne Universités.
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Nineteen samples of the Cape Roberts-1 drillcore were taken from Miocene- age deposits, from 90.25 - 146.50 metres below seafloor (mbsf) for thin section and laser grain-size analysis. Using the grain-size distribution, detailed core logging, X-radiography and thin-section analysis of microstructures, coupled with a statistical grouping of the grain-size data, three main styles of gravity-flow sedimentation were revealed. Thin (centimetre-scale) muddy debris-flow deposits are the most common and are possibly tirggered by debris rain-out from sea-ice These deposits are characterised by very poorly sorted, faintly laminated muddy sandstones with coarse granules toward their base. Contacts are gradational to sharp. Variations on this style of mass-wasting deposit are rhythmically stacked sequences of pebbly-coarse sandstones representing successive thin debris-flow events. These suggest very high sedimentation rates on an unstable slope in a shallow-water proximal glacimarine environment. Sandy-silty turbidites appear more common in the lower sections of the core, below approximately 141.00 mbsf, although they occur occasionally with the debris flow deposits The turbidites are characterised by inversely to normally graded, well-laminated siltstones with occasional lonestones, and represent a more distal shallow-water glacimarine environment.
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Federal Highway Administration, Washington, D.C.
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Mode of access: Internet.
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Federal Highway Administration, Office of Research and Development, Washington, D.C.
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Federal Highway Administration, Office of Research and Development, Washington, D.C.
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"ROAP no. 21BKN, program element no. 1AA006."
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"Publication no. FHWA-RD-00-030."
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Federal Highway Administration, Office of Research, Washington, D.C.
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Federal Highway Administration, Office of Research, Washington, D.C.
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Federal Highway Administration, Office of Research and Development, Washington, D.C.
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Federal Highway Administration, Office of Research and Development, Washington, D.C.
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Transportation Department, Office of the Assistant Secretary for Environment, Safety, and Consumer Affairs, Washington, D.C.
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Mode of access: Internet.
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Transportation Department, Office of the Assistant Secretary for Environment, Safety, and Consumer Affairs, Washington, D.C.