« previous next »

Author Question: Which two minerals define a felsic composition? A) Pyroxene and amphibole B) Muscovite and ... (Read 58 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?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Selected Minerals for Treating Nutritional and Electrolyte Disorders Selected Minerals for Treating Nutritional and Electrolyte Disorders
Composition of the Atmosphere Composition of the Atmosphere
Vertical Variations in Composition Vertical Variations in Composition
Calculation of the Value of Depletion for the 14 Most Important Minerals Calculation of the Value of Depletion for the 14 Most Important Minerals
Children and adolescents define themselves as they get older Children and adolescents define themselves as they get older
DNA composition and structure DNA composition and structure
Video: Genetic distance between human groups

For a complete list of videos, visit our video library