Igneous Rocks Quiz
 
 
1) How are igneous rocks formed?

 

2) What is the difference between Magma and Lava?

 

3)What is the difference between Solidification and Crystalization?

 

4) What are the 4 features used to identify the different types of igneous rocks?
a.

b.

c.

d.

5) Examine the images of  the following rocks and describe them in terms of these four features:
  
6) What do the 2 crystal sizes of a Porphyry tell about it's cooling history?



 
First Prev Next Last

Copyright William C. Wilson 1997
Send email to wcw@dragonlogic.com

Website created: January 22, 1998
Website last updated: December 4, 2000