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Aquifer Geology and Geography

Aquifer Geology and Geography. Permeable materials such as sandstone, limestone and layers of sand and gravel. Recharge Zone. Ground surface where water enters an aquifer Dependent on permeability. Springs and Wells. Movement determined by the slope of the water table

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Aquifer Geology and Geography

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  1. Aquifer Geology and Geography Permeable materials such as sandstone, limestone and layers of sand and gravel

  2. Recharge Zone • Ground surface where water enters an aquifer • Dependent on permeability

  3. Springs and Wells • Movement determined by the slope of the water table • If the water table reaches the Earth’s surface water will flow out of the ground (Spring) • Water table higher than the Earth’s surface lakes will form.

  4. Artesian Well • Water flows from a crack in the cap rock of an aquifer. http://www.bartleby.com/images/A4images/A4artwel.jpg

  5. Hot Springs • one form of an artesian well http://www.personal.engin.umich.edu/~yeq/images/YellowStone%201/Mammoth%20Hot%20Springs%201.jpg

  6. Wells • A human made hole that is deeper than the level of the water table http://mainegov-images.informe.org/doc/nrimc/mgs/sites-1999/oct99-1.gif

  7. Cave Formations • The underground erosion of limestone • Caused by carbonic acid

  8. Deposition • Deposits of calcium carbonate

  9. Stalactites • Stalactites-form from the ceiling http://www.goodearthgraphics.com/virtcave/staltite/stal1.jpg

  10. Stalagmites • Stalagmites-form from dripping water http://www.dudleycc.pwp.blueyonder.co.uk/stalagmites.jpg

  11. Dripstone Column http://science.nature.nps.gov/im/images/cavecol1.jpg

  12. Sinkholes • When the water table is lower than the level of a cave • Results in the roof collapsing

  13. http://www.sinkholes.net/new_page_1_files/image006.gif

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