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

Author Question: Why is dacite considered a fine-grained rock felsic rock? A) It contains very little silica. B) ... (Read 72 times)

HudsonKB16

  • Hero Member
  • *****
  • Posts: 535
Why is dacite considered a fine-grained rock felsic rock?
 
  A) It contains very little silica.
  B) It contains a lot of silica and feldspar.
  C) It contains a lot of iron and magnesium.
  D) It contains an intermediate amount of silica.

Question 2

Why is peridote considered a coarse-grained ultramafic rock?
 
  A) It contains a lot of silica.
  B) It contains a lot of feldspar.
  C) It contains a medium amount of silica.
  D) It contains very little silica.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yahahah24021

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

Answer: B

Answer to Question 2

Answer: D




HudsonKB16

  • Member
  • Posts: 535
Reply 2 on: Jul 16, 2018
Great answer, keep it coming :)


billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

For a complete list of videos, visit our video library