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Investigation 3:
How Fossil Fuels are Formed

This investigation will help you to:

To learn more about coal, visit the following web sites:

What is peat? What is it used for?

Learn about peat, how and when it develops.

What is Peat?,
International Waterfowl and Wetlands Research Bureau
This site provides a more-detailed look at peat and its depositional environments.

What are the varieties of coal?

Coal Resource Classification System of the U.S. Geological Survey,
Learn how the USGS classifies and tracks coal resources in the United States, including rank of coal, thickness of beds, distribution, etc.  Maps and data are available at this site.

Types of Coal,
Kentucky Educational Television and the American Coal Foundation
This site explains how coal "rank" is determined and defines the different types of coal.

How are natural gas and petroleum related ?

Fossil Fuel Formation,
Utah State Office of Education
Explore this university's online resource for an overview of depositional environments and characteristics of oil, gas, and coal. It also provides an interactive illustration showing how oil is drilled.



Investigation 1

Investigation 2

Investigation 3

Investigation 4

Investigation 5

Investigation 6

Investigation 7

Further Research


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Last updated: January 26, 2009

This project is supported, in part, by the National Science Foundation and the AGI Foundation. Opinions expressed are those of the authors and not necessarily those of the Foundation.

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