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Igneous Rocks

Mr. Snead

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Across
2.Determined by the rate of cooling
5.Glassy Texture
6.Another name for lava
7.Igneous rocks formed inside the Earth
9.Size, shape, and mineral arrangement
12.Large crystals
14.Fine-grained texture resulting from slow cooling
15.Rocks that are ejected from volcanoes
16.Another name for holes
Down
1.Another name for dark silicates
3.Basaltic composition of magnesium and iron
4.Gases found within the melt
8.Igneous rocks formed at the surface
10.Feldspar plus silica
11.Both large and small crystals
13.Fine-grained texture resulting from rapid cooling

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