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Igneous Rock

Feb 24, 2016

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Igneous Rock. (from fire). Extrusive: Volcanic glass (Obsidian). Extrusive: Basalt ( o cean floor; ridges). Extrusive: Pumice (volcanic explosions). Intrusive : Granite (course crystals). Intrusive: Dykes. Metamorphic. Changed Rock. Metamorphic : Gneiss (Compressed Granite). - PowerPoint PPT Presentation
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Page 1: Igneous Rock
Page 2: Igneous Rock

Igneous Rock(from fire)

Page 3: Igneous Rock
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Extrusive: Volcanic glass(Obsidian)

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Extrusive: Basalt(ocean floor; ridges)

Page 6: Igneous Rock

Extrusive: Pumice(volcanic explosions)

Page 7: Igneous Rock

Intrusive: Granite(course crystals)

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Intrusive: Dykes

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MetamorphicChanged Rock

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Metamorphic: Gneiss(Compressed Granite)

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SedimentaryDeposit of eroded sediments

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Sedimentary Rock

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Sedimentary: Conglomerate (pebbles & sand)

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Sedimentary: Sandstone(layers of sand & silt)