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A few points about last week ’ s lab test

A few points about last week ’ s lab test. Wrong answers vs. BAD answers E.g., mineral is “ quartz ” rock is “ rock gypsum ” E.g., rock is “ metamorphic ” and “ non-clastic ” E.g., rock is “ sedimentary ” and metamorphism is “ regional ”

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A few points about last week ’ s lab test

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  1. A few points about last week’s lab test • Wrong answers vs. BAD answers • E.g., mineral is “quartz” rock is “rock gypsum” • E.g., rock is “metamorphic” and “non-clastic” • E.g., rock is “sedimentary” and metamorphism is “regional” • E.g., rock is “sedimentary” and then giva a metamorphic name (and v.v.) • …

  2. Last week’s lab • Messy messy messy work. • Work in PENCIL!!!!! • The point is not to get it done (i.e., get it done as fast as possible and out of lab as fast as you can) • The point of the lab is to do it (i.e., do it carefully, neatly, completely and understand what you’re doing)

  3. Landforms

  4. Meanders and oxbow lakes

  5. Topographic profile • Across Gaspereau Valley • Use the Leaning Object to remind yourself how to do this (if you need to). • Use pencil and don’t draw on map • Follow the instructions • Position (UTM coordinates) • Vertical scale (1:5 000) • How far apart are the lines of the profile? • What does that convert to in the “real world”?

  6. Groundwater and water levels

  7. Groundwater and water levels

  8. Groundwater and water levels

  9. Groundwater and water levels

  10. Groundwater and water levels

  11. Groundwater and water levels

  12. Contouring lake levels • Use contour values to determine lake surface heights • Assign an arbitrary x-5 value (i.e., 5 m lower than closest contour) • Contour the lake surface heights • This is a contour of the groundwater surface • Show direction of groundwater flow Note that not all enclosed depression contours will have “ticks” on them.

  13. Contouring lake levels 80 70 90 85 65 95 75 85 65 95 75 75 65 95 85 95 75 85 65

  14. Valley before glaciation

  15. Valley during glaciation

  16. Valley after glaciation

  17. Cirque

  18. Cirque – contour pattern

  19. Arete

  20. Arete – contour pattern

  21. Horn

  22. Horn – contour pattern

  23. Hanging valley

  24. Hanging valley – contour pattern

  25. Moraine

  26. Topographic profile • Across Paradise Valley • Use the Leaning Object to remind yourself how to do this (if you need to). • Use PENCIL and don’t draw on map • Follow the instructions • Position (UTM coordinates) • Scale (1:20 000) • How far apart are the lines of the profile? • What does that convert to in the “real world”?

  27. Aerial photographs • Two photos from a slightly different position • Viewed simultaneously • Brain generates a “3-D” image

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