Download Rocks - for Jack L. Pierce

QR-Rocks -46 points
Using separate pieces of paper, answer the following questions and STAPLE your completed
answers with your NAME and Lecture class you are currently attending.
A. Overview of the Chapter: (6 points)
1. Before reading the chapter, write down what you know about rocks from prior experiences.
2. Write down 3 questions of your own that you want to know about rocks.
3. Look through the chapter and find 5 figures or diagrams that capture your interest, and briefly
describe (paraphrase) what each figure/diagram is showing.
B. Chapter Vocabulary Words (10 points):
It is extremely crucial that you understand the meaning of various vocabulary words to gain full
comprehension of the chapter’s content. Briefly define each vocabulary term, IN YOUR OWN WORDS,
found at the end of the chapter. Use a separate pieces of paper.
C. Chapter Questions 2 pts each / -10 pts if the student does not answer the selected question :
1. Sketch and label a basic rock cycle. Make sure your sketch includes alternative paths leading to
various ways nature can transform rocks into the three main rock groups.
2. Provide a BRIEF definition of describing igneous, sedimentary and metamorphic rocks
3. Use the rock cycle to explain the statement “One rock is the raw material for another”.
4. What is magma? How does magma differ from lava?
5. In what basic geologic environment do intrusive and extrusive igneous rocks originate?
6. How does the rate of cooling influence igneous rock crystal size?
7. Given the chart below, fill in the proper igneous rock name that is identified by its composition and
texture.
Composition
felsic
intermediate
mafic
Phanaritic
Texture
Aphanitic
8. Using the chart in #7, how is granite different from rhyolite and how is basalt different from gabbro?
In what ways are these pairs of rock similar?
9. Describe the Sedimentary rock process. In other words, what processes must take place to
produce a sedimentary rock?
10. Define lithification and describe the types of natural cement associated with the lithification of
sediment.
11. What characteristics separate clastic, chemical, and bio-clastic sedimentary rocks?
12. Define metamorphism and how a rock may change during metamorphism.
13. Define “parent rock” or protolith and how it relates to metamorphic rocks.
14. Distinguish between regional and contact metamorphism.
15. Describe and draw a diagram illustrating the primary textural characteristics associated with
metamorphic rocks, and give one metamorphic rock example for each texture type.