A few points about last week’s lab test Wrong answers vs. BAD answers –E.g., mineral is...

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 give a

metamorphic name (and v.v.)– …

Last week’s lab

• Messy work – influences grade. • 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)

Landforms

Meanders and oxbow lakes

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”?

Determining Longitude & Latitude

• Use the Learning Objects

• Or you can use Google Earth®

Longitude LO

Latitude LO

Groundwater and water levels

Groundwater and water levels

Groundwater and water levels

Groundwater and water levels

Groundwater and water levels

Groundwater and water levels

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.

Contouring lake levels

95

95

85

95 8595

85

75

75

85

75

7565

65

65

65

90 80 70

Valley before glaciation

Valley during glaciation

Valley after glaciation

Cirque

Cirque – contour pattern

Arete

Arete – contour pattern

Horn

Horn – contour pattern

Hanging valley

Hanging valley – contour pattern

Moraine

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”?

Comparison of two valleys

• Drop a “pin” at the two locations given (one in the Wolfville area, one in the Lake Louise area)

• Zoom in• Tilt, and rotate to the correct viewing

direction (ask us how to do this if you cannot work it out for yourself)