Author Question: Describe the first phase of the Cordilleran orogeny. What will be an ideal ... (Read 20 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?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

For a complete list of videos, visit our video library