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ROCK CYCLE. magma. melting. crystallization. metamorphic rocks. igneousrocks. weathering & erosion. metamorphism. sediments. (clastic) sedimentary rocks. transportation, deposition, & lithification. MAGMA = molten rock + suspended mineral grains + dissolved gases
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ROCK CYCLE magma melting crystallization metamorphic rocks igneousrocks weathering & erosion metamorphism sediments (clastic) sedimentary rocks transportation, deposition, & lithification
MAGMA = molten rock + suspended mineral grains + dissolved gases Origin – in asthenosphere, or Base of lithosphere Migrates up - Lava (at surface) http://volcano.und.nodak.edu/vwdocs/HawaiiQuest/gen_hawaii_volcs/bar_graph.gif
ROCK CYCLE magma melting crystallization metamorphic rocks igneousrocks weathering & erosion metamorphism sediments (clastic) sedimentary rocks transportation, deposition, & lithification
Crystallization Bowen’s Reaction Series http://imnh.isu.edu/digitalatlas/geo/rocks/bowens/bowens.jpg
ROCK CYCLE magma melting crystallization metamorphic rocks igneousrocks weathering & erosion metamorphism sediments (clastic) sedimentary rocks transportation, deposition, & lithification
Igneous Rocks http://www.outreach.canterbury.ac.nz/resources/geology/glossary/igneous.jpg
Table 1: Igneous Rock Classification Chart Mineral Composition Mineral Composition Texture
http://www.physicalgeography.net/fundamentals/images/igneous_classification.gifhttp://www.physicalgeography.net/fundamentals/images/igneous_classification.gif
Fractional Crystallization Bowen’s Reaction Series http://imnh.isu.edu/digitalatlas/geo/rocks/bowens/bowens.jpg
Fractional Crystallization – remaining melt composition changes as crystals form
Fractional Crystallization – remaining melt composition changes as crystals form
Relates magma composition to volcano type and eruption style
ROCK CYCLE magma melting crystallization metamorphic rocks igneousrocks weathering & erosion metamorphism sediments (clastic) sedimentary rocks transportation, deposition, & lithification
Metamorphism http://pasadena.wr.usgs.gov/office/given/geo1/lecturenotes/MetaRx_files/image017.gif
New minerals can form with increased heat and/or with “fluids” http://hays.outcrop.org/images/rocks/metamorphic/lutge8e/FG07_18.JPG
ROCK CYCLE magma melting crystallization metamorphic rocks igneousrocks weathering & erosion metamorphism sediments (clastic) sedimentary rocks transportation, deposition, & lithification
Crystallization Bowen’s Reaction Series http://imnh.isu.edu/digitalatlas/geo/rocks/bowens/bowens.jpg
Oxidation 4Fe+3 + 3O2 2Fe2O3 hematite
Hydrolysis 2KAlSi3O8 + 11 H2O Al2Si2O5(OH)4 + 4H4SiO4 + 2OH- + 2 K2+ potassium feldspar clay mineral (kaolinite)
Carbonic acid action H2O + CO2 H2CO3 CaCO3 + H2CO3 Ca+2 + 2 HCO-3 calcite
http://hays.outcrop.org/images/weathering/press4e/table-07-02.jpghttp://hays.outcrop.org/images/weathering/press4e/table-07-02.jpg
http://hometown.aol.com/rhaberlin/images/mwmech.gif http://piru.alexandria.ucsb.edu/collections/geography3b/p-s/ps06-05a.jpg
ROCK CYCLE magma melting crystallization metamorphic rocks igneousrocks weathering & erosion metamorphism sediments (clastic) sedimentary rocks transportation, deposition, & lithification
http://www.globalsecurity.org/military/library/policy/army/fm/5-484/fig2-26.gifhttp://www.globalsecurity.org/military/library/policy/army/fm/5-484/fig2-26.gif
ROCK CYCLE magma melting crystallization metamorphic rocks igneousrocks weathering & erosion metamorphism sediments (clastic)sedimentary rocks transportation, deposition, & lithification
ROCK CYCLE magma melting crystallization metamorphic rocks igneousrocks weathering & erosion metamorphism sediments sedimentary rocks transportation, deposition, & lithification ions in solution precipitation