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Article
American Geosciences Institute: What Are Igneous Rocks? Article
American Geosciences Institute

American Geosciences Institute: What Are Igneous Rocks?

For Students 9th - 10th
Learn about the make-up and causes of igneous rock.
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Article
Pretty Green Mineral Pretty Dry Mars Article
University of Hawai'i

Pretty Green Mineral Pretty Dry Mars

For Students 9th - 10th
Olivine-bearing rocks, similar to those found in Hawaii, have been found on Mars. Use this site to learn more about what has been found on Mars.
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