This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What two features of the magnetic field do magnetic iron-bearing minerals that crystallize out of ... (Read 135 times)

hubes95

  • Hero Member
  • *****
  • Posts: 561
on: Jul 15, 2018

What two features of the magnetic field do magnetic iron-bearing minerals that crystallize out of
  magma record? What will be an ideal response?



Question 2

What is it about a cooling lava that allows geologists to determine the location of past magnetic poles? What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

TheDev123

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 15, 2018
Answer to Question 1

The minerals record the strength and direction of the Earth's magnetic field at the time of
crystallization.



Answer to Question 2

Iron-bearing minerals in a cooling lava align themselves in the direction of the current magnetic field
as they cool below the Curie Point.



hubes95

  • Member
  • Posts: 561
Reply 2 on: Jul 15, 2018
Great answer, keep it coming :)

raili21

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Selected Minerals for Treating Nutritional and Electrolyte Disorders Selected Minerals for Treating Nutritional and Electrolyte Disorders
Placing sterile item on a sterile field Placing sterile item on a sterile field
Selected Minerals Used for Pharmactherapy Selected Minerals Used for Pharmactherapy
Igneous Features Igneous Features
Depositional Features Depositional Features
Typical features of expression vectors for E. coli Typical features of expression vectors for E. coli
Video: Acid-base imbalances - metabolic acidosis and alkalosis

For a complete list of videos, visit our video library