Geology Section 30.1 Homework: The Geologic Time Scale: Due Wed., 12/12/12 or Thu., 12/13/12

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Read Section 30.1, pages 666-671 and look at the links called Web Geological Time Machine and Geologic Maps on the class schedule page. This is the page where you linked to this homework from. Answer the questions that follow.

Last Name, First Name *

Period (Do not put nd, rd, or th after the number.) *

Look at the geologic time scale. What era of geologic time did dinosaurs roam the Earth? *

Cenozoic

Mesozoic

Paleozoic

Proterozoic

The divisions in the geologic time scale are based upon *

the fossil record

extinction of species

climatic events

all of the above are correct

none of the above are correct

What Epoch do humans currently live in? *

Miocene

Oligocene

Eocene

Holocene

Paleocene

The largest unit of geologic time is the *

eon

era

period

epoch

Look at the Geologic Maps link on the class schedule page. Which of the following would be depicted on a geologic map? *

rock types

fault lines

contact lines between different types of rocks

a description of different rock types in the key or legend

all of the above would be depicted on a geologic map

Just about every American's dream is to buy a house some day. Describe the importance of using a geologic map to select the location where you will buy your new home. *

Look at the Geologic Maps link on the class schedule page. The oldest rocks depicted on a geologic map key would be found *

at the top of the map key

at the bottom of the map key

in the middle of the map key

all of the selections above are wrong. It is impossible to find the ages of rock on a geologic map.

Look at the Geologic Maps link on the class schedule page. Describe what the difference is between strike and dip with respect to tilted sedimentary rock layers. *

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