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The Rock Cycle

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Information about The Rock Cycle
Education

Published on March 4, 2014

Author: rodbenson7

Source: authorstream.com

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PowerPoint Presentation: The Rock Cycle Other Resources: Other Resources The handout that goes with this presentation can be found here: http://formontana.net/RockCycle.pdf The link to a PenCast can be found here: http://formontana.net/unit7.html 1. What is a “cycle” (in nature)?: 1. What is a “ cycle ” (in nature)? A series of steps/processes that recycle a material PowerPoint Presentation: Igneous Rocks Sediments Sedimentary Rocks Metamorphic Rocks Magma PowerPoint Presentation: Are these igneous rocks “ volcanic ” or “ plutonic ” ? PowerPoint Presentation: Taft Point in Yosemite Park “ Volcanic ” or “ plutonic ” ? PowerPoint Presentation: Next: Boulder Batholith Which color represents plutonic rocks? PowerPoint Presentation: The Boulder Batholith near Whitehall “ Volcanic ” or “ plutonic ” ? “ Extrusive ” “ Intrusive ” PowerPoint Presentation: Next: Near Cascade PowerPoint Presentation: Near Cascade What kind of volcanic formation is this? PowerPoint Presentation: Why are there layers here? Volcanic Rock PowerPoint Presentation: Igneous Rocks Sediments Sedimentary Rocks Metamorphic Rocks Magma overrun by advancing sand dunes: Coconino Sandstone Hermit Shale mud in flood plains and tidal flats overrun by advancing sand dunes What do geologist learn from sedimentary rock? PowerPoint Presentation: Madison Limestone in Trout Creek Canyon near York What was the environment when this sediment was deposited? PowerPoint Presentation: MT PowerPoint Presentation: What was the environment? PowerPoint Presentation: Along Missouri River near Ft. Benton What was the environment? PowerPoint Presentation: White Cliffs of the Missouri PowerPoint Presentation: Igneous Rocks Sediments Sedimentary Rocks Metamorphic Rocks Magma PowerPoint Presentation: One more? PowerPoint Presentation: What caused some of the limestone to change to marble? PowerPoint Presentation: Igneous Rocks Sediments Sedimentary Rocks Metamorphic Rocks Magma 2. How does a metamorphic rock become an igneous rock?: 2. How does a metamorphic rock become an igneous rock? It needs to melt and then freeze (crystallize). PowerPoint Presentation: Igneous Rocks Sediments Sedimentary Rocks Metamorphic Rocks Magma 3. How does a sedimentary or igneous rock become a metamorphic rock?: 3. How does a sedimentary or igneous rock become a metamorphic rock? Heat and/or pressure change(s) it. Happens at . . . Great depth Near magma As plates collide PowerPoint Presentation: Heat and/or Pressure PowerPoint Presentation: Contact Metamorphism PowerPoint Presentation: Over 50 ft. thick limestone limestone ? ? PowerPoint Presentation: Gneiss! PowerPoint Presentation: Igneous Rocks Sediments Sedimentary Rocks Metamorphic Rocks Magma 4. How does any kind of rock become sediment?: 4. How does any kind of rock become sediment? Weathering (higher places) Erosion (and mass wasting) Deposition in low places called “ basins ” PowerPoint Presentation: Weathering PowerPoint Presentation: PHOTO: Weathered granite goes here PowerPoint Presentation: Granite Sand Clay PowerPoint Presentation: Erosion Why does the Milk River look so muddy? Deposition: Deposition PowerPoint Presentation: Which color is sediment? What kind? W.E.D.: W.E.D. PowerPoint Presentation: Igneous Rocks Sediments Sedimentary Rocks Metamorphic Rocks Magma 5. List the types of sediment from largest to smallest.: 5. List the types of sediment from largest to smallest. Gravel Sand Silt clay BACK PowerPoint Presentation: Igneous Rocks Sediments Sedimentary Rocks Metamorphic Rocks Magma 6. How does sediment become sedimentary rock?: 6. How does sediment become sedimentary rock? Compaction (burial) Cementation PowerPoint Presentation: Compacted & Cemented PowerPoint Presentation: Why is this sandstone tougher than the surrounding sandstone? PowerPoint Presentation: Igneous Rocks Sediments Sedimentary Rocks Metamorphic Rocks Magma 7. What are the molecules that are recycled in the rock cycle?: 7. What are the molecules that are recycled in the rock cycle? minerals 8. What keeps the rock cycle going?: 8. What keeps the rock cycle going? Plate tectonics The water cycle Global circulation (wind) PowerPoint Presentation: Igneous Rocks Sediments Sedimentary Rocks Metamorphic Rocks Magma 1 PowerPoint Presentation: Which arrow would this one go by? PowerPoint Presentation: Igneous Rocks Sediments Sedimentary Rocks Metamorphic Rocks Magma 1 PowerPoint Presentation: Igneous Rocks Sediments Sedimentary Rocks Metamorphic Rocks Magma PowerPoint Presentation: Igneous Rocks Sediments Sedimentary Rocks Metamorphic Rocks Magma 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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