Name______Date Period

How The Earth Was Made: Rockies

Watch online 45 minutes

http://www.history.com/shows/how-the-earth-was-made/videos/how-the-earth-was-made-the-rockies

  1. How high do geologists believe the Rockies used to be?
  1. How long are the Rockies?
  1. Draw a map of what existed 100 mya before the Rockies were created.
  1. What is Miller’s explanation about why this area has so many large ammonites?
  1. What is unusual about the Flat Irons?
  1. What type of rock is the Flat Irons made of?
  1. How far down did the iron in the granite form?
  1. What caused the Rockies to lift up 70 mya?
  1. What is similar about the Cascades, Andes, and Himalayas?
  1. What is the plausible theory for why the Rockies formed where they did?
  1. Illustrate the leaf margins from the 60 mya fossil.

Describe how the leaf margins provide evidence for the heights of the Rockies.

  1. What was the climate of Denver like when the Rockies formed?
  1. How high were the Rockies 60 million years ago?

14.  What is unusual about the river that runs through the Owl Creek Mountains? (Big Horn /Wind River)

  1. What are Pumpkin Buttes in the Powder River Basin made from?
  1. What covers the cobbles in some areas of the Rockies?
  1. How long ago was the material deposited?
  1. What rivers contain the sediments from the early Rockies?
  1. What evidence suggests that glaciers covered the Rockies 3 million years ago?
  1. When did the last ice age occur?
  1. List the forces that are is responsible for the shape of the Rockies today.
  1. What has been happening for the last 25 million years at the southern end of the Rockies?
  1. Describe how travertine rock forms.
  1. How is the water warmed?
  1. The microbes in the water similar to microbes found where?
  1. Where is the only place that Helium 3 forms?
  1. Illustrate what is happening under the Rio Grande Rift.
  1. What will happen eventually to the Rockies?

http://moviesheets.com/site/sheets.php?id=119 Frances Wecker