Intrusive Igneous ProcessesMagma bodyIgneous bodiessillColumnar jointingbatholithExposed batholithPlutons in PatagoniaContact of Patagonia PlutonLabeled contactGeothermal GradientVolatile meltingConfining pressureDecompression meltingWaterPartial MeltingLocations of volcanoesMagma environmentsOcean-ocean Convergent volcanismAleutians--obliqueAleutians—from spaceContinent-ocean convergent boundary volcanismSouthern South AmericaRifting tectonic settingDivergent plate—oceanic crustMagma at oceanic ridgeOceanic ridge sectionIceland volcanic riftDivergent continentalIntraplate volcanismHotspot Volcanic chain on North AmericaHot spot volcanismIsland chain from mantle plumeSummary of tectonic environments of igneous rocksFinal ExamIntrusive Igneous ProcessesReading: Chapter 9Pages 267-280Magma bodyIgneous bodies sillColumnar jointing batholithExposed batholith Plutons in Patagoniahttp://www.es.ucsc.edu/~es10/classnotes/images/drawn.htmlContact of Patagonia Plutonhttp://www.es.ucsc.edu/~es10/classnotes/images/drawn.htmlLabeled contacthttp://www.es.ucsc.edu/~es10/classnotes/images/drawn.htmlGeothermal Gradienthttp://www.geo.umn.edu/courses/1001/Summer_Session/CourseReview.htmVolatile meltingConfining pressurehttp://earthsci.org/education/teacher/basicgeol/igneous/igneous.htmlDecompression meltingWater• lowers melting temperaturePartial Meltinghttp://oldweb.uwp.edu/academic/geology/workshop/rock.htmLocations of volcanoes1.—melting increases volumeMagma environmentsOcean-ocean Convergent volcanism1.—melting increases volumeAleutians--obliquehttp://www.nationmaster.com/encyclopedia/Image:Aleutians-aerial.jpghttp://home.earthlink.net/~patron9/with permission of author tom bigleyAleutians—from spaceTaken on the STS-56 shuttle mission, in April 1993. Image number: STS056-071-031http://en.wikipedia.org/wiki/Image:Aleutians-space.jpgContinent-ocean convergent boundary volcanismSouthern South Americahttp://worldwind.arc.nasa.gov/screenshots-bm.htmlRifting tectonic settingDivergent plate—oceanic crustMagma at oceanic ridgehttp://www.uwgb.edu/DutchS/PLATETEC/SpreadCtrs.HTMOceanic ridge sectionhttp://online.redwoods.cc.ca.us/depts/science/earth/smith/smith3.htmIceland volcanic rifthttp://www.mortbay.com/images/holidays/1998/Iceland/Iceland05.htmlDivergent continental Intraplate volcanismHotspot Volcanic chain on North Americahttp://www.anthonares.net/2006/03/the-yellowstone-supervolcano-a-pulsing-malevolance.htmlHot spot volcanismIsland chain from mantle plumehttp://faculty.weber.edu/bdattilo/parks/parks_t2_review.htmlSummary of tectonic environments of igneous rockshttp://csmres.jmu.edu/geollab/Fichter/IgnRx/Introigrx.htmlFinal Exam• Thursday, December 6, 8 to 10 AM• Bring Scantron• Review questions due at that time• Requests for examination at another time, or incomplete status must come from your contact with Student Services or the Dean of Arts and Science• Incomplete status students must be passing at the time of the
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