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 134 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
Gracias!

dyrone

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

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?

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?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

General features of a growth factor or hormone signalling pathway that promotes cell division General features of a growth factor or hormone signalling pathway that promotes cell division
This iron bird feeder is advertised as being “squirrel-proof and bear-resistantââ This iron bird feeder is advertised as being “squirrel-proof and bear-resistantââ
Surface Features on Europa Surface Features on Europa
Sterile field instructions Sterile field instructions
Joseph Moore and His Family (1839), by Erastus Salisbury Field, reflects the emerging middle-class f Joseph Moore and His Family (1839), by Erastus Salisbury Field, reflects the emerging middle-class f
Scientists do research in the laboratory and in the field Scientists do research in the laboratory and in the field
Video: Normal and abnormal blood pH

For a complete list of videos, visit our video library