Page 116 - Laboratory Manual in Physical Geology

ACTIVIT Y 3.1 Mineral and Rock Inquiry

Name: ______________________________________ Course/Section: ______________________ Date: ___________

A. All of the samples below are rocks from Earth’s crust. Record how many crystals you see in each sample (Write 1, 2, 3, or
many). Then make a numbered list of how many different kinds of minerals are in the sample and describe each one in your
own words. Complete parts B and C .

1 1 cm 2 1 cm

How many crystals do you see in this sample? _____ How many crystals do you see in this sample? _____
List the number of different minerals in the sample List the number of different minerals in the sample
and give a description of each one. and give a description of each one:

3 4

1 cm 1 cm

How many crystals do you see in this sample? _____ How many crystals do you see in this sample? _____
List the number of different minerals in the sample List the number of different minerals in the sample
and give a description of each one: and give a description of each one:

B. Which of these samples seems to have crystals of a valuable chemical element? _______ What element? _______

C. REFLECT & DISCUSS Based on your observations in this activity—what is a rock, and how are rocks related to minerals
and crystals?

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