This topic contains a solution. Click here to go to the answer

Author Question: What are the four basic types of magma compositions, and how do they differ in their respective ... (Read 45 times)

waynest

  • Hero Member
  • *****
  • Posts: 553
What are the four basic types of magma compositions, and how do they differ in their respective abundance of silica, iron, and magnesium?
 
  What will be an ideal response?

Question 2

How are pyroclastic deposits classified?
 
  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

Hikerman221

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

Felsic: highest silica content, lowest Fe-Mg content
Intermediate; medium silica content; medium Fe-Mg content
Mafic: low silica content; high in Fe-Mg content
Ultramafic: lowest silica content; highest Fe-Mg content

Answer to Question 2

The size of the fragments is used to classify pyroclastic material.




waynest

  • Member
  • Posts: 553
Reply 2 on: Jul 16, 2018
Gracias!


bitingbit

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

For a complete list of videos, visit our video library