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February 2012 Interactives. The Rock Cycle. The Rock Cycle.

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Presentation on theme: "February 2012 Interactives. The Rock Cycle. The Rock Cycle."— Presentation transcript:

1 February 2012 Interactives. The Rock Cycle. The Rock Cycle

2  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.

3 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.

4  Rocks that are created by the changing of one type of rock (igneous, sedimentary, or other metamorphic rocks) by Heat Pressure

5 Metamorphic Rocks Formed by HeatPressure

6 TTwo types of metamorphic rock textures: Foliated Nonfoliated

7 Metamorphic Rocks Formed by Heat Pressure Textures are Foliated Nonfoliated

8 Foliated – Pressure flattens minerals and pushes them into parallel bands. Gneiss Schist Slate

9 Metamorphic Rocks Formed by Heat Pressure Textures are Foliated Nonfoliated Examples Foliated Gneiss, Schist Slate

10 Development of foliation due to directed pressure From Granite To Gneiss

11 Nonfoliated – No bands !! Quartzite Marble Parent rock is Sandstone Parent rock is Limestone

12 Metamorphic Rocks Formed by Heat Pressure Textures are Foliated Nonfoliated Examples Foliated Gneiss, Schist Slate Nonfoliated Quartzite Marble

13 Finish Rock Table by looking at Metamorphic rocks and recording your observations. You have about 15 minutes


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