Name:
Date:
Block:
Rock Identification Lab
Pre-Lab
1. What is a rock made of?
2. How are igneous rocks classified?
3. How are sedimentary rocks classified?
4. How are metamorphic rocks classified?
5. What are the two ways igneous rocks form?
a.
b.
6. What are the 4 textures of igneous rocks?
a.
b.
c.
d.
7. What are the three agents of metamorphism?
a.
b.
c.
8. What are the five processes in the formation of sedimentary rocks?
a.
b.
c.
d.
e.
9. What is the name for the banded appearance on metamorphic rocks? ______
10. What is the name for the nonbanded appearance on metamorphic rocks? ______
Igneous Rocks
1. What is the difference in texture between the granite and the basalt?
a. Which rock is fine-grained? ______
b. Which rock is coarse-grained? ______
2. Pumice and Obsidian are both glassy textured rocks. Explain what they look like and how they are classified by the same texture. ______
3. How do rocks with porphyritic texture form? _
______
Sedimentary Rocks
1. Find the sample of conglomerate and answer the following:
a. What type of texture does it have?
Coarse Medium Fine
b. How is it classified?
Clastic Chemical
c. Describe what it looks like.
2. Find the sample of sandstone and answer the following:
a. What type of texture does it have?
Coarse Medium Fine
b. How is it classified?
Clastic Chemical
c. Describe what it looks like.
3. Find the sample of limestone and answer the following:
a. What type of texture does it have?
Coarse Medium Fine
b. How is it classified?
Clastic Chemical
c. Describe what it looks like.
Metamorphic Rocks
1. Find the sample of marble and answer the following:
a. Does it have a foliated or nonfoliated appearance?
b. What is its parent rock? (use table on page 84 in your book)
2. Find the sample of gneiss and answer the following:
a. Does it have a foliated or nonfoliated appearance?
b. What is its parent rock?
3. Find the sample of slate and answer the following:
a. Does it have a foliated or nonfoliated appearance?
b. What is its parent rock?
4. Find the sample of quartzite and answer the following:
a. Does it have a foliated or nonfoliated appearance?
b. What is its parent rock?