« previous next »

Author Question: Which two minerals define a felsic composition? A) Pyroxene and amphibole B) Muscovite and ... (Read 33 times)

jman1234

  • Hero Member
  • *****
  • Posts: 560
on: Jul 16, 2018
Which two minerals define a felsic composition?
 
  A) Pyroxene and amphibole
  B) Muscovite and biotite micas
  C) Quartz and potassium feldspar
  D) Plagioclase feldspar and biotite mica

Question 2

Peridotite is the main constituent of which part of the Earth?
 
  A) Crust
  B) Magma chambers
  C) Rift zones
  D) Upper mantle


kjohnson

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

There are 60,000 miles of blood vessels in every adult human.

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.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Hand mnemonic for the basic atmosphere composition being 4/5 nitrogen and 1/5 oxygen. Hand mnemonic for the basic atmosphere composition being 4/5 nitrogen and 1/5 oxygen.
Minerals used in health and medicine Minerals used in health and medicine
Average Chemical Composition of the Geosphere Crust Average Chemical Composition of the Geosphere Crust
Sample composition of maternal and paternal HLA haplotypes. Sample composition of maternal and paternal HLA haplotypes.
Bod Pod: Body Composition Tracking System Bod Pod: Body Composition Tracking System
Composition of Continental Crust Composition of Continental Crust
Video: Pressure volume relationships - Normal inspiration and expiration

For a complete list of videos, visit our video library