Author Question: Which of the following pairs of index minerals do not overlap in metamorphic grade? A) chlorite ... (Read 83 times)

anjilletteb

  • Hero Member
  • *****
  • Posts: 569
Which of the following pairs of index minerals do not overlap in metamorphic grade?
 
  A) chlorite and pyroxene
  B) biotite and garnet
  C) staurolite and kyanite
  D) amphibole and sillimanite

Question 2

If a rock containing andalusite and sillimanite were to undergo an increase in pressure, what must happen to temperature in order for that rock to continue to have stable andalusite and sillimanite?
 
  A) temperature must increase
  B) temperature must decrease
  C) temperature must stay the same
  D) It is impossible for it to continue to have stable andalusite and sillimanite.



Chocorrol77

  • Sr. Member
  • ****
  • Posts: 313
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

For a complete list of videos, visit our video library