Geology
Part 1 Slumgullion Slide
The Slumgullion Slide in the San Juan Mountains in Colorado is one of the largest active landslides in the United States. Study the Google Earth image and photo on the following pages, and answer the questions below.
On each of the diagrams, outline the extent of the mass movement and indicate the direction it is(Use colored pencils and create a key for your diagram) Examine each diagram for evidence of sliding, falling or flowing.
What specific type of mass wasting is present in the top third of the mass? What is your evidence for this answer?
What specific type of mass wasting is present in the bottom third of the mass? What is your evidence for this answer?
Outline the areas of the slide that are presently What is your evidence for this?
Lake San Cristobal is the largest natural lake in Colorado. Describe in detail how the lake formed, considering what was present before the lake existed.
What problems may occur on Highway 149 which crosses the slide?