This topic contains a solution. Click here to go to the answer

Author Question: Foliation in metamorphic rocks is due to directed stress, which causes elongated minerals to orient ... (Read 62 times)

arivle123

  • Hero Member
  • *****
  • Posts: 569
Foliation in metamorphic rocks is due to directed stress, which causes elongated minerals to orient themselves
 
  A) in parallel planes with the face of each plane parallel to the direction of maximum stress.
  B) in alignment.
  C) so that smaller crystals precede larger crystals.
  D) in parallel planes perpendicular to the direction of maximum stress.

Question 2

The metamorphism of coal to anthracite occurs due to
 
  A) high pressure and high temperature.
  B) high temperatures.
  C) contact metamorphism.
  D) crystallization of organic matter.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jxjsniuniu

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A





 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

For a complete list of videos, visit our video library