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 91 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
YES! Correct, THANKS for helping me on my review

amynguyen1221

  • Member
  • Posts: 355
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts. The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.
Earth’s Magnetic Field Earth’s Magnetic Field
Surface Features on Europa Surface Features on Europa
Key Features of Australopithecus africanus. Key Features of Australopithecus africanus.
Transferring Sterile Solutions onto a Sterile Field Transferring Sterile Solutions onto a Sterile Field
Red rocks due to oxidation of iron near the surface Red rocks due to oxidation of iron near the surface
Video: Bone processes - resorption and deposition, remodeling and response to stress in adult bones

For a complete list of videos, visit our video library