This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which minerals usually give mafic and ultramafic rocks their dark colors? A) plagioclase feldspar ... (Read 91 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
on: Jul 16, 2018
Which minerals usually give mafic and ultramafic rocks their dark colors?
 
  A) plagioclase feldspar and pyroxene
  B) amphibole and pyroxene
  C) olivine and pyroxene
  D) plagioclase feldspar and olivine

Question 2

A scientist identifies a rock sample as basalt. Why did he do so?
 
  A) He observed that the rock has a lot of silica, making it mafic.
  B) He observed that the rock has a lot of silica, making it ultra-mafic.
  C) He observed that the sample has little silica, making it felsic.
  D) He observed that the sample has little silica, making it mafic.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ksh22

  • Sr. Member
  • ****
  • Posts: 297
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D


leilurhhh

  • Member
  • Posts: 560
Reply 2 on: Jul 16, 2018
YES! Correct, THANKS for helping me on my review

Missbam101

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

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).

Amsterdam Albatross - Adult in flight, showing dark plumage typical of the species. Amsterdam Albatross - Adult in flight, showing dark plumage typical of the species.
The colors of peppers are determined by the interaction of several genes The colors of peppers are determined by the interaction of several genes
Pigmented bands in nail of patient with dark skin Pigmented bands in nail of patient with dark skin
Clastic Sedimentary Rocks Clastic Sedimentary Rocks
Selected Minerals Used for Pharmactherapy Selected Minerals Used for Pharmactherapy
There are five colors available in each bag of Skittles. It is known that the 18% of the ... There are five colors available in each bag of Skittles. It is known that the 18% of the ...
Video: Wound Cultures

For a complete list of videos, visit our video library