Crystals

Rocks and Minerals

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Season 9 (5-20-2008)

Full Show: Geologists know that Idaho is a treasure-trove for rock and mineral lovers. Why? How did so many different kinds of rocks and mineral form here? Host Joan Cartan-Hansen and her guest scientists, Scott Hughes, head of the Department of Geosciences at Idaho State University and Virginia Gillerman, a Geologist with Idaho Geological Survey, will answer questions about the Gem State's rocks and minerals.

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Other: Eons of time and different geologic processes turn minerals into three kinds of rock - igneous, sedimentary, or metamorphic.

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Web Extra: Geologists Scott Hughes and Virginia Gillerman stay on to answer more questions about rocks and minerals.

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Season 3 (4-9-2002)

Full Show: Why is Idaho known as the Gem State? What forces shaped the mountains and canyons of this diverse land? Get to know the rocks and minerals and you learn a lot about Idaho. Want to know more? Geologists Virginia Gillerman, Mike McCurry and Scott Hughes help lead the way.

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Other: Idaho is known as the "Gem State." Why? Discover more about Idaho's geological history by looking at its rocks and minerals.

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