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10 Cards in this Set
- Front
- Back
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Texture: Aphanitic
Composition: Mostly K-spar Color Index: Felsic Formation: Extrusive |
Rhyolite
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Texture: Phaneritic
Composition: K-sparm plag, qtz, bio Color Index: Felsic Formation: Intrusive |
Granite
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Texture: Phaneritic
Composition: Plag, ferromagnesium Color Index: Mafic Formation: Intrusive |
Gabbro
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Texture: Aphanitic
Composition: Olivine, pyroxene, plagioclase Color Index: Intermediate Formation: Extrusive |
Andesite
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Texture: Aphanitic
Composition: Plagioclase, Ferromagnesium Color Index: Mafic Formation: Extrusive |
Basalt
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Texture: Vesicular
Composition: Plagioclase, Ferromagnesium Color Index: Mafic Formation: Extrusive |
Vesicular Basalt
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Texture: Vesicular (frothy)
Composition: Microscopic Color Index: Felsic Formation: Extrusive |
Pumice
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Texture: Glassy
Composition: Volcanic Glass Color Index: Felsic Formation: Extrusive |
Obsidian
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Texture: Pyroclastic
Composition: Ash & Volcanic Glass Color Index: Felsic Formation: Extrusive |
Tuff
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Texture: Porphyritic
Composition: K-spar, Plag, Qtz, Bio Color Index: Felsic Formation: Intrusive |
Porphyritic Granite
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