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 93 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

samiel-sayed

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Iron-dependent regulation of mRNA translation and degradation Iron-dependent regulation of mRNA translation and degradation
functional magnetic resonance imaging functional magnetic resonance imaging
Features of a normal 12-lead ECG. Features of a normal 12-lead ECG.
For Gulf War veterans, lack of social support in the field is related to postwar depression. The ... For Gulf War veterans, lack of social support in the field is related to postwar depression. The ...
Magnetic Force on a Current Carrying Conductor Magnetic Force on a Current Carrying Conductor
A non-interest-bearing five-year note for $54600.00 issued May 1, 2015, is discounted April 1, ... A non-interest-bearing five-year note for $54600.00 issued May 1, 2015, is discounted April 1, ...
Video: Molecules, Membrane Permeability and Structure

For a complete list of videos, visit our video library