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What Does a What Does a Geologist DoGeologist Do??

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What Does a What Does a Geologist DoGeologist Do??

Studies the origin, Studies the origin, history, and structure of history, and structure of the earththe earth

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The Layers of the EarthThe Layers of the Earth

http://www.geog.ouc.bc.ca/physgeog/contents/images/earthcut.jpg

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Crust:Crust:Soil and RockSoil and Rock

http://www.fs.fed.us/r4/boise/field_trip/forest/media/soilhrz.gif

http://www.vislab.usyd.edu.au/education/sv3/2001/jochen_antonio/earth-slice.gif

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MineralsMinerals

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RocksRocks

Rocks are made of mineralsRocks are made of minerals

There are 3 types of rocks:There are 3 types of rocks:– IgneousIgneous– Metamorphic Metamorphic – SedimentarySedimentary

All 3 form in different waysAll 3 form in different ways

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IgneouIgneouss

RocksRocks

http://www.geo.mtu.edu/volcanoes/hazards/primer/images/volc-images/puuoo.jpg

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SedimentarySedimentaryRocksRocks FossilsFossils

http://www.necsi.org/projects/evolution/evidence/layers/layers.jpg

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Metamorphic RocksMetamorphic Rocks

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Soil: Gravel, Sand, Silt, and Soil: Gravel, Sand, Silt, and ClayClay

http://www.allservice.com/filter-sand.jpg

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So, what do geologists doSo, what do geologists do??

MiningMining Subsurface investigationSubsurface investigation RoadsRoads FoundationsFoundations GroundwaterGroundwater Satellite imagerySatellite imagery Make geologic mapsMake geologic maps

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MiningMining

http://mhw.org/tourism/mining.jpg

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Subsurface InvestigationSubsurface Investigation

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RoadsRoads

http://landslides.usgs.gov/html_files/landslides/slides/slide19.jpg

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FoundationsFoundations

http://www.huemon.com/hat-trips/europe/piza.jpg

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GroundwaterGroundwater

Soil

Water and Soil

Rock

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Satellite ImagerySatellite Imagery

http://www.digitalglobe.com/images/qb/san_francisco_IOD032102.jpg

http://static.howstuffworks.com/gif/satellite-radio.jpg

NSF North Mississippi GK-8NSF North Mississippi GK-8http://www.digitalglobe.com/images/qb/corn_maze_corona_calf_sep18_2003_dg.jpg

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Geologic MapsGeologic Maps

http://academic.brooklyn.cuny.edu/geology/leveson/core/linksa/geologic_maps/geologic_map_rollover/graphics/map_draw_0.gif

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Tools Geologists UseTools Geologists Use CompassCompass MapsMaps Rock hammerRock hammer Big machines for Big machines for

drillingdrilling Hand lensHand lens Dilute acidDilute acid

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Teamwork!Teamwork!