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

Author Question: What substance makes ion migration easier in the later stages of magma crystallization, which allows ... (Read 46 times)

Davideckstein7

  • Hero Member
  • *****
  • Posts: 555
What substance makes ion migration easier in the later stages of magma crystallization, which allows abnormally large mineral crystals to form and create pegmatites?
 
  A) Water
  B) Oxygen
  C) Silica
  D) Iron

Question 2

________ is a felsic igneous rock with a meringuelike vesicular texture, consisting of very small holes, created by small shards of volcanic glass.
 
  A) Scoria
  B) Obsidian
  C) Granite
  D) Pumice



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tandmlomax84

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

Answer: A

Answer to Question 2

Answer: D




Davideckstein7

  • Member
  • Posts: 555
Reply 2 on: Jul 16, 2018
Gracias!


AISCAMPING

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

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?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

For a complete list of videos, visit our video library