Author Question: Describe the first phase of the Cordilleran orogeny. What will be an ideal ... (Read 59 times)

lilldybug07

  • Hero Member
  • *****
  • Posts: 546
Describe the first phase of the Cordilleran orogeny. What will be an ideal response?

Question 2

What role did microplates play in the formation of Pangaea? What will be an ideal response?



frre432

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

During the Nevadan orogeny, which began during the Late Jurassic, large amounts of granitic magma
ascended as huge batholiths that are now parts of mountain ranges along the western U.S.



Answer to Question 2

Numerous microplates from the Paleozoic became part of Pangaea and they explain some of the
anomalous geologic and paleontologic situations.




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

For a complete list of videos, visit our video library