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Edwards Plateau

Science Project
by

courtney pinson

on 30 March 2011

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Transcript of Edwards Plateau

Edwards Plateau http://texastreeid.tamu.edu/content/texasEcoRegions/EdwardsPlateau http://www.blm.gov/wildlife/Edwards Plateau Edwards Plateau is entirely contained within Texas. This hilly area is clearly demarcated by the Balcones Fault escarpment to the east and south, but grades into the Chihuahuan Desert to the west and the Great Plains to the north. Where is Edwards Plateau located? A Plateau is an extensive land area having a relatively level surface raised sharply above adjacent land on at least one side. A Plateau is also known as a Tableland. What is a Plateau? Webster's New Collegiate Dictionary http://science.nationalgeographic.com/science/earth/surface-of-the-earth/plateaus-article.html Plateaus are sculpted by geologic forces that lift them up. The wind and rain wear them down into mesas, buttes, and canyons. How Does A Plateau Form? How is weathering and erosion involved in Edwards Plateau formation? Erosion has left most of the region with very shallow soils of less than 10 inches.
What type of rock makes up most of Edwards Plateau? Edwards Plateau is made up of four type's of rock: limestone, chalk, marl, and claystone. These types of rocks are classifed as sedimentary rock. http://geology.com/rocks/sedimentary-rocks.shtml http://www.lib.utexas.edu/geo/balconesescarpment What Type of Farming and Ranching Occurs on Edwards Plateau? http://www.tshaonline.org/handbook/online/articles/rxe01 Edwards Plateau is mainly used for grazing; good for cattle, sheep and goats. The depth of the soil is shallow, therefore crop growing is minimal. Plants that do not need alot of maintenance, such as mesquite-shrub and short-grass grow in this area. Also in some areas orchards, such as peaches and pecans are grown. Weathering is the disintegration and decomposition of rocks and minerals by natural processes such as the action of frost or percolating ground water. http://www.bing.com/Dictionary/search?q=define+weathering&go=&form=QB Where does the water generally flow from Edwards Plateau? Water from the Plateau flows south into the Gulf of Mexico. The two main rivers are the Guadalupe and the Colorado. The two main rivers are fed by smaller rivers such as the San Saba, San Marcos, San Antonio and the Llano river. http://upload.wikimedia.org/wikipedia/en/4/47/Lost_Maples_State_Natural_Area,_Edwards_Plateau,_Texas,_United_States.jpg sources What do I think will happen to Edwards Plateau in 6,000 years? I think that over the years Edwards Plateau will even out and just become a flat piece of land. Also if a natural disaster hits this area it could change the way it originally looked. How does the Edwards Aquifer relate to this plateau? The Edwards Aquifer is the largest aquifer in the plateau. It is located on the eastern edge underneath the plateau. Most of its recharge zone is also located in the plateau. * My dad (James Pinson) also helped me with this project.
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