Rocks and Minerals
May 20, 2008
2:00/1:00 MT/PT
Idaho's nickname is the Gem State. Geologists know that Idaho is a treasure-trove for rock and mineral lovers. Why? How did many different kinds of rocks and mineral form here? What are the rock cycle and the hardness scale?
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This month on D4K, 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 your questions about rocks and minerals.

Students can send their questions through e-mail to, fax them in before the show to (208) 373-7245 or call in live during the program to (800) 973-9800. Students who send in a question are eligible to win a DVD player and DVDs for their classroom. Check out the details!

The D4K Web site offers facts, links, reading lists, a glossary, pod casts of programs and special D4K web exclusive programming.

Watch D4K: Rocks and Minerals, Tuesday, May 20th at 2:00/1:00 p.m. MT/PT, or check it out on the Web at

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