Minerals
Rocks
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Igneous Rocks
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Our Place in the Universe
Plate Tectonics
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Photos of Rocks
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Trachyte
Trachyte 2
Trachyte 2
Photos are copyright free for non-commercial educational uses. Just credit photos to R.Weller/Cochise College.
Photos
Trachyte Fine-Grained Light-Colored Close-Up
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Trachyte Fine-Grained Light-Colored Close-Up
