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

Author Question: Why do pegmatite mineral crystals grow so large? What will be an ideal ... (Read 53 times)

daltonest1984

  • Hero Member
  • *****
  • Posts: 536
on: Jul 15, 2018
Why do pegmatite mineral crystals grow so large? What will be an ideal response?

Question 2

List three processes by which felsic and intermediate igneous rocks can be formed from more mafic
  magmas. 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

rachel

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 15, 2018
Answer to Question 1

The water-rich magma inhibits the formation of nuclei, but allows ions to move easily to those nuclei
that do form, so large crystals can result.



Answer to Question 2

Possibilities include assimilation, magma mixing, crystal settling, and partial melting.


daltonest1984

  • Member
  • Posts: 536
Reply 2 on: Jul 15, 2018
Wow, this really help

strudel15

  • Member
  • Posts: 324
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Large-Flowered Leafcup Large-Flowered Leafcup
Large intestine Large intestine
What type of errors are these: calling only large dogs a dog and calling a dog a kitty? What type of errors are these: calling only large dogs a dog and calling a dog a kitty?
As their numbers grow and their resources and health improve, the elderly will enjoy life more and ... As their numbers grow and their resources and health improve, the elderly will enjoy life more and ...
What are examples of ideal forms? What are examples of ideal forms?
Anatomy of the Large Intestine By the time chyme reaches the large intestine, most of its nutrients Anatomy of the Large Intestine By the time chyme reaches the large intestine, most of its nutrients
Video: Hydrogen bonds - role in the body

For a complete list of videos, visit our video library