Name ______________________________
Devil’s Lake Pre-Field Trip WebQuest
Use the following website to answer the questions below:
http://www.devilslakewisconsin.com/geo.html
1. How old is Baraboo Quartzite?
2. How deep does the quartzite go? How did it get its interesting shape?
3. Explain how the quartzite was formed. What is the proof that still exists today
that the quartzite was formed this way?
4. What does the author mean when he says that some rocks get “over-cooked?”
Was the Baraboo quartzite “over-cooked”?
5. What type of life was around 1.7 billion years ago? What does this have to do
with the ripple marks being preserved?
6. Explain how the quartzite became so smooth.
7. Why is the quartzite red in coloration?
8. Why does the author call humans living fossils?