6_sediment classification - 6 Sediment classification Can...

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6. Sediment classification Can you? Determine the source, age and transport mechanism of sediment based on its chemical composition and grain characteristics. Lecture Outline Source o Terrigenous or lithogenic sediment o Biogenic sediment (next lecture) o Authigenic sediment (next lecture) o Cosmogenic sediment (next lecture) Grainsize o Clay, silt, sand o Maturity
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Unformatted text preview: o Sorting o Shape (angular or rounded) • Chemical composition o Olivine vs Quartz • Transportation o Rivers Rainfall Relief Human activities o Wind (dust) o Ice (ice rated detritus) • Deposition Glossary High/ Low energy environments Mature/ immature Well sorted/ poorly sorted Substrate Bowens reaction series Glaciers Meltwater...
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  • Fall '10
  • IngridHendy
  • Erosion, Sediment transport, Glaciers Meltwater, Sediment classification, Cosmogenic sediment

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