Glacial Deposits Lab Report on Soils and Surficial Materials
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Glacial Deposits Lab Report on Soils and Surficial Materials
Geomorphology and Soils (GG282)
GG282 Laboratory Experiment No. 3
Soil and Surficial Material Physical Properties
Landforms and Glacial Deposits
Before your next lab, you must complete and submit this lab’s exercise.
Submit your file to the DropBox account for YOUR lab area!
ReviewIn week one of Laboratory Exercise Three, we I reviewed the distribution of surficial materials and physiographic features (landforms) across southern Ontario, (ii) demonstrated how to use Google Earth to depict the distribution of those features, materials, terrain, and drainage attributes, and (iii) you may have looked at the pattern and timing of southern Ontario’s deglaciation. The questions below are based on the work we discussed in week one of the lab,
and you will be asked to conduct your own research this week.
The First Section
Launch Google Earth and import the files from Week 1 of Lab 3. There is a Google Earth file labeled ‘Lab 3 Locations Section 1’ in the Lab 3 folder. In Google Earth, open the file. There are six placemarks in the file, each of which
can be toggled on or off. You can move to a certain spot in the table of contents by double-clicking on it. You can acquire the precise coordinates of each location in decimal degrees if you highlight a location and right-click it. This will open the Edit Placemark box, from which you can get the exact coordinates of each location in decimal degrees. * You may use the GoTo tool in ArcMap to navigate to the exact locations displayed in Google Earth using the
coordinates.
You’ll use the to identify the type(s) of surficial materials present, the physiographic feature(s), and the time period (in thousands of carbon 14 years BP) that the location was no longer under the ice for each of the six locations.
BMP files depicting the Wisconsin Glacial Episode’s deglaciation. (Lab 3 Ice Image Maps) (MLS Folder) You’ll also be asked to infer the permeability of the surficial materials and write a statement that defines the terrain
(topography) and any drainage features that apply. On certain sites, there are also some more questions.
The Second Section
‘Lab 3 Locations Section 2′ is a second Google Earth file in the Lab 3 folder. In Google Earth, open the file. Some of the largest moraine landforms in southern Ontario are depicted by many labels. Wyoming, Paris, Galt, Williscroft-
Banks, Orangeville, Oak Ridges, and Dummer Moraine are among the moraines included.
Determine the coordinates for each of these locations. These moraines are enormous features, and the coordinates are just to show you where they are. You must regard the moraines as a bigger feature, not only the properties at
the exact locations of the markers.
You will identify I the principal types of surficial materials that make up these moraines, (ii) the type of moraine they represent (based on the physiography), and (iii) when these moraines were produced for each of these moraines. There are also some specific questions about some of these distinct characteristics.
Examine the materials in the lab 3 background handout as well as those in Tenhaild Chapter 6. Remember that each moraine is generated at the end of a section of the ice sheet, at an ice-marginal point. The orientation, size, and
location of the moraines can provide information about the glacial ice extent at the time they were produced. Other landforms can provide information about the direction of glacial ice. In the Physiography layer, look at the
distribution of drumlins. The drumlins’ long axes run parallel to the direction of glacial ice movement. We should be able to figure out what direction the glacial ice was traveling when these structures were formed using the
moraine and drumlin characteristics. If you’re unsure, seek help from your TA.
The third section
There are a series of places named Bla to Blc in the third Google Earth file, ‘Lab 3 Locations Section 3’. In Google Earth, show the surface materials layer. Keep the linear and point features turned on. It’s worth noting that the
borders of the features (polygons) at the BL locations don’t appear to be the same as the other boundaries in this layer. There are a few concerns about these characteristics.
Q1 in Section 1 Go to Locations 1 through 6. Fill in the blanks in the table. (12 points)
Type(s) of Surficial Materials in a Specific Location
Approximate Time of Deglaciation Permeability Physiographic Feature(s)
Q2. Provide a statement that describes the local terrain for each of the six areas listed above.
(topography) as well as any significant surface drainage conditions that are reflective of the surface
topography and materials (6 marks)
1st Location
2nd Location
3rd location
4th location
5th location
6th location
Q3. What is the land use activity south of Location 2 that has disturbed the surface?
What is the nature of the activity and why is it being carried out at that particular location?
(1 point)
Q4. Zoom in on the region around Location 6! To promote agriculture, there are a number of drainage ditches around the area. What is the purpose of digging these ditches? Explain using the surface materials and their qualities, as
well as the terrain. (2 points)
Q5 in Section 2 Complete the table by going to the Moraines indicated below. (14 points)
Surficial Material Types in the Moraine
Approximate Deglaciation Time by Moraine Type
Paris
Galt
Wyoming
Williscroft
Banks
Orangeville
Oak
Ridges
Dummer
Consider the moraines of Orangeville and Galt. Which of these two moraines was the most recent to form?
(1 point)
Q7 in Section 3 Make your way to the BL sites.
There are ice contact stratified layers bordered by glacial till at Bla, Blb, and Blc (unit 5d). What is the significance of the ice contact deposits being exposed at those locations? (Additional 1 point)
Glacial Deposits Lab Report on Soils and Surficial Materials
RUBRIC
Excellent Quality
95-100%
Introduction 45-41 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Literature Support
91-84 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Methodology
58-53 points
Content is well-organized with headings for each slide and bulleted lists to group related material as needed. Use of font, color, graphics, effects, etc. to enhance readability and presentation content is excellent. Length requirements of 10 slides/pages or less is met.
Average Score
50-85%
40-38 points
More depth/detail for the background and significance is needed, or the research detail is not clear. No search history information is provided.
83-76 points
Review of relevant theoretical literature is evident, but there is little integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are included. Summary of information presented is included. Conclusion may not contain a biblical integration.
52-49 points
Content is somewhat organized, but no structure is apparent. The use of font, color, graphics, effects, etc. is occasionally detracting to the presentation content. Length requirements may not be met.
Poor Quality
0-45%
37-1 points
The background and/or significance are missing. No search history information is provided.
75-1 points
Review of relevant theoretical literature is evident, but there is no integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are not included in the summary of information presented. Conclusion does not contain a biblical integration.
48-1 points
There is no clear or logical organizational structure. No logical sequence is apparent. The use of font, color, graphics, effects etc. is often detracting to the presentation content. Length requirements may not be met
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Glacial Deposits Lab Report on Soils and Surficial Materials