Term
Obsidian
Extrusive- Glassy
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Definition
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Term
Vesicular Basalt
Extrusive Origin
Vesicular
Vesicular Basalt |
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Definition
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Term
Syenite
Intrusive Origin
Phaneritic: Coarse-Grained
(Maybe confused with Granite-- if not Granite, then Syenite)
(Granite crystals a lot more defined. Syenite crystals look melted or blended together) |
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Definition
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Term
Diorite
Intrusive Origin
Phaneritic: Coarse Grained
(almost always black, white, gray granite looking) |
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Definition
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Term
Rhyolite
Extrusive Origin
Aphanitic: fine-grained
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Definition
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Term
Granite
Intrusive Origin
Phaneritic: Coarse-Grained |
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Definition
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Term
Pumice
Extrusive Origin
Vesicular |
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Definition
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Term
Basalt
Extrusive Origin
Aphanitic: Fine Grained |
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Definition
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Term
Volcanic Tuff
Extrusive Origin
Pyroclastic |
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Definition
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Term
Peridotite
Intrusive Origin
Phaneritic- coarse-grained |
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Definition
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Term
Vesicular Basalt
Extrusive Origin
Vesicular |
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Definition
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Term
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Definition
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Term
Andesite Breccia
(our sample had bits of amber looking glass within it)
Extrusive Origin
Aphanitic: Fine Grained |
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Definition
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Term
Gabbro
Intrusive Origin
Phaneritic- Coarse-Grained
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Definition
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