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I found that http:/geology.about.com/od/rocks/ig/sedrockindex has pics and information.
rocks are not so valuable since they can be found in volcanoes or underground.
There are 3 main kinds of rocks. These 3 types of rocks are Igneous, Metamorphic and Sedimentary and pictures can be found in books at your local library.
There are lots of pictures of rocks. In order to find pictures you type "pictures of igneous rocks" into your search engine and click on the "images" tab to see them.
== == The most valuable rocks would be those partly comprised of the most valuable minerals such as gold, silver, and precious gemstones.
Rocks are valuable natural resource because we use rocks for lots of things like cement and brick like those stuff
Check the link below for pictures of rocks and rock types.
It is illegal to take rocks or minerals from any national park. Valuable materials such as copper, asbestos, and uranium may be found.
BECAUSE THEY ARE! Problem?
An historian can find valuable information in a building such as architectural styles, building materials, construction techniques, and evidence of historical events or activities that took place within the building. The layout and design of a building can also provide insights into the social, economic, and cultural context of the time period in which it was constructed.
what rocks can be found in hampi
where are egneos rocks found