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TYPES OF ROCKS

Igneous Sedimentary Metamorphic. TYPES OF ROCKS. IGNEOUS ROCKS. Formed from molten material such as magma Occurs below or at the Earth’s surface. TYPES OF IGNEOUS ROCKS. PUMICE. SCORIA. ANDESITE. SEDIMENTARY ROCKS. Rocks are exposed to erosion and break down into sediments

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TYPES OF ROCKS

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  1. Igneous Sedimentary Metamorphic TYPES OF ROCKS

  2. IGNEOUS ROCKS • Formed from molten material such as magma • Occurs below or at the Earth’s surface

  3. TYPES OF IGNEOUS ROCKS PUMICE SCORIA ANDESITE

  4. SEDIMENTARY ROCKS • Rocks are exposed to erosion and break down into sediments • Pebbles, sand, silt, or clay are sediments • Shells and bones can also be sediments • Layers of sediments are pressed or cemented together to create sedimentary rocks

  5. TYPES OF SEDIMENTARY ROCKS CONGLOMERATE BRECCIA SANDSTONE

  6. METAMORPHIC ROCKS • Rocks that are changed by intense heat and pressure • Physical and/or chemical change • Igneous, sedimentary, and even metamorphic rocks can be changed into different metamorphic rocks

  7. TYPES OF METAMORPHIC ROCKS GNEISS PHYLLITE SLATE

  8. ROCK CYCLE • The rock cycle is a never-ending process. • Any rock can change into any other rock.

  9. test your knowledge! Igneous Rock Erosion Cooling Magma Sediments Melting Heat and Pressure Compaction and Cementation Sedimentary Rock Metamorphic Rock Erosion Melting Heat and Pressure Erosion Cut out the words and place them in the correct spot in the diagram

  10. References http://tao-dnd.blogspot.com/2010/09/mining-metals-minerals.html http://www.gsi.ir/General/Lang_en/Page_66/GroupId_01-06/DataId_595/Action_Pn4/SCORIA.html http://www.bgsd.k12.wa.us/hml/jr_cam/science/rocks/igneous.htm http://www.nps.gov/archive/hafo/geology.htm http://library.thinkquest.org/05aug/00461/conglomerate.htm http://commons.wikimedia.org/wiki/File:Sandstone(quartz)USGOV.jpg http://geology.com/rocks/breccia.shtml http://www.desertusa.com/geofacts/rock_met.html http://gccweb.gccaz.edu/earthsci/imagearchive/gneiss.htm http://commons.wikimedia.org/wiki/File:PhylliteUSGOV.jpg http://geology.com/rocks/slate.shtml

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