Name:
Rock Identification Lab
Pre-Lab
1. What is a rock made of?
Date:
8. What are the three agents of metamorphism?
a.
b.
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 five processes in the formation of
sedimentary rocks?
a.
b.
c.
d.
e.
c.
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
BAG 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? _______________
BAG 1: Identify & explain the difference between normal basalt
and vesicular basalt.
BAG 2: Pumice and Obsidian are both classified as glassy textured
rocks. Explain what they look like and how they are classified
by the same texture.
11. How do rocks with porphyritic texture form?
Sedimentary Rocks
BAG 1: Find the sample of conglomerate and answer
the following:
a. Circle what type of texture it has?
Coarse
Medium
Fine
b. How is it classified?
Clastic
Chemical
Metamorphic Rocks
BAG 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)
c. Describe what it looks like
BAG 2: Find the sample of sandstone and answer the
following:
a. Circle what type of texture it has?
Coarse
Medium
Fine
BAG 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?
b. How is it classified?
Clastic
Chemical
c. Describe what it looks like
BAG 3: Find the sample of limestone and answer the
following:
a. Circle what type of texture it has?
Coarse
Medium
Fine
b. How is it classified?
Clastic
Chemical
BAG 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?
BAG 4: Find the sample of quartzite and answer the following:
a. Does it have a foliated or nonfoliated appearance?
c. Describe what it looks like
b. What is its parent rock?