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February 2012 Interactives. The Rock Cycle. The Rock Cycle
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3.c. Students know how to explain the properties of rocks based on the physical and chemical conditions in which they formed, including plate tectonic processes.
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Students will be able to: 1. List the two things required to create a metamorphic rock. 2. List and describe the two types of textures for metamorphic rocks.
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Rocks that are created by the changing of one type of rock (igneous, sedimentary, or other metamorphic rocks) by Heat Pressure
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Metamorphic Rocks Formed by HeatPressure
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TTwo types of metamorphic rock textures: Foliated Nonfoliated
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Metamorphic Rocks Formed by Heat Pressure Textures are Foliated Nonfoliated
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Foliated – Pressure flattens minerals and pushes them into parallel bands. Gneiss Schist Slate
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Metamorphic Rocks Formed by Heat Pressure Textures are Foliated Nonfoliated Examples Foliated Gneiss, Schist Slate
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Development of foliation due to directed pressure From Granite To Gneiss
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Nonfoliated – No bands !! Quartzite Marble Parent rock is Sandstone Parent rock is Limestone
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Metamorphic Rocks Formed by Heat Pressure Textures are Foliated Nonfoliated Examples Foliated Gneiss, Schist Slate Nonfoliated Quartzite Marble
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Finish Rock Table by looking at Metamorphic rocks and recording your observations. You have about 15 minutes
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