« previous next »

Author Question: Why is diorite considered a coarse-grained intermediate rock? A) It contains a medium amount of ... (Read 60 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
on: Jul 16, 2018
Why is diorite considered a coarse-grained intermediate rock?
 
  A) It contains a medium amount of silica.
  B) It contains a lot of silica.
  C) It contains very little silica.
  D) It is made up of the elements in the middle of the periodic table.

Question 2

Why is tonalite considered a coarse-grained felsic rock?
 
  A) It contains very little silica.
  B) It contains a lot of silica and feldspar.
  C) It contains a lot of silica and magnesium.
  D) It contains a lot of iron and magnesium.


bobsmith

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

An example of layers, or strata, of sedimentary rock that contain fossils An example of layers, or strata, of sedimentary rock that contain fossils
How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives
Sample Exercise Prescription for Weight Training: Intermediate Sample Exercise Prescription for Weight Training: Intermediate
When the number of miles traveled is considered, drivers under 25 years of age and those over 70 are ... When the number of miles traveled is considered, drivers under 25 years of age and those over 70 are ...
Facing the table, place one hand on the thigh and the other on the lower leg. Gently rock the leg ... Facing the table, place one hand on the thigh and the other on the lower leg. Gently rock the leg ...
Which Medium FRIES would you eat? Which Medium FRIES would you eat?
Video: Rods and Cones Animation

For a complete list of videos, visit our video library