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By Adriana Lukovic & Jessica Berk . http://geography.howstuffworks.com/united-states/geography-of-nevada.htm/printable. Silver… In Nevada. What Is It?. - PowerPoint PPT PresentationTRANSCRIPT
By Adriana Lukovic & Jessica Berk
Silver…In Nevada
http://geography.howstuffworks.com/united-states/geography-of-nevada.htm/printable
What Is It?
A white, ductile metallic element, used for making mirrors, coins, ornaments, table utensils, photographic chemicals, and conductors.
Silver." The Columbia Electronic Encyclopedia, Sixth Edition. Columbia University Press., 2003. Answers.com 22 Feb. 2006. <http://www.answers.com/topic/silver>.
http://www.kitchensbedfordshire.co.uk/art/sliding-doors/ST3000-white-silver-mirror.jpg
Silver Characteristics
Hardness 2.5 – 3 Luster Metallic Streak Light silvery gray Color White or dull gray Cleavage None Fracture Jagged "Silver." Oracle ThinkQuest Library. Ed. Chris Pellant. Web. 29
Oct. 2009. http://library.thinkquest.org/05aug/00461/silver.htm.
Where Can It Be Located?
A majority of silver are located in plantations called mines. The most popular and known mines are in Nevada. Nevada’s silver production in 2005 was 9.946 million ounces.
Silver Mining and Exploration. Silver Mining. Web. 15 Nov. 2009. <http://www.greatwesternmining.com/index.php/silver-mining-and-exploration>.
SO WHAT
SO WHAT DOES THIS MEAN FOR THE PEOPLE AROUND THE MINE AND THE WORKERS THAT WORK IN IT?
( http://wevegotseoul.files.wordpress.com/2009/04/man_face_mask_pollution.jpg
)
Health Effects Of Silver Eye contact- causes severe cornea problems. CAN BLIND YOU! Ingestion hazards: toxic. May cause stomach discomfort, nausea,
vomiting, diarrhea, and narcosis.
Also can cause:
- Anemia- is a decrease in normal number of red blood cells(Red blood cells have the important job of picking up oxygen from the lungs
and carrying oxygen to all of the other cells of the body.)
- Brain damage- Not severely, causes enormous migraines and you loose brain cells from the toxic fumes.
Silver-Ag. Lenntech Water treatment. Web. 15 Nov. 2009. <http://www.lenntech.com/periodic/elements/ag.htm>. http://
cpapandmore.files.wordpress.com/2009/03/brain-damage.jpg
http://www.velonews.com/files/images/blood_cells-copy.jpg
Environmental Effects Of Silver
Environmental issues can include erosion, formation of sinkholes, loss of biodiversity, and contamination of soil, groundwater and surface water by chemicals from mining processes.
Silver Compounds- Enviornment. R. Cay. Web. 14 Nov. 2009. <http://www.inchem.org/documents/cicads/cicads/cicad44.htm#6.0>.
http://www.leo.lehigh.edu/envirosci/enviroissue/sinkholes/images/sinkhole.jpg
Sinkhole
http://www.maine.gov/dep/blwq/images2/erosion1a.jpg
Erosion
Humans are not the only ones affected by the silver mines..
One of five known grizzly bear populations in the lower 48 states faces extinction due to a silver mine
Wildlife Impacts. Dr. Micheal Hooper. Web. 15 Nov. 2009.
<http://www.earthworksaction.org/WildlifeImpacts.cfm>.
Picture- http://msnbcmedia4.msn.com/j/ap/bc995cfa-e701-4408-b968-cc09f9776000.hmedium.jpg
In 1995 at least 342 snow geese died in Elko, Nevada. They were killed by the extreme acidity of the water eating away their throats.
Silver-Ag. Lenntech Water treatment. Web. 15 Nov. 2009. <http://www.lenntech.com/periodic/elements/ag.htm>.
http://www.magazinewood.co.uk/userimages/Canadian-Geese.jpghttp://farm1.static.flickr.com/204/442477741_dacdc3b5ce.jpg?v=0
Nevada, stop contaminating our animals and hurting our people!
Resources
Silver." The Columbia Electronic Encyclopedia, Sixth Edition. Columbia University Press., 2003. Answers.com 22 Feb. 2006. <http://www.answers.com/topic/silver>.
"Silver." Oracle ThinkQuest Library. Ed. Chris Pellant. Web. 29 Oct. 2009. http://library.thinkquest.org/05aug/00461/silver.htm.
Alden, Andrew. "The Nevada Silver Rush." About Geology - The Complete Guide to Geology. Web. 27 Oct. 2009. http://geology.about.com/od/geology_nv/a/nevadasilver.htm.
Peterson, Jeffery. "American gold and silver rushes gold rush history." Archaeology anthropology ancient civilizations. Web. 29 Oct. 2009. http://www.archaeolink.com/american_gold_rushes_gold_rush_h.htm.
Wilkins, George. "Virginia City Nevada Silver Rush Postcard." Postcards From America 50 State Travel Adventure. Web. 29 Oct. 2009. <http://www.postcardsfrom.com/t1/990706.html>.
Howstuffworks "Geography of Nevada"" Howstuffworks "Geography" Web. 16 Nov. 2009. <http://geography.howstuffworks.com/united-states/geography-of-nevada.htm/printable>.
Silver and Silver Compounds: Environmental Aspects (CICADS 44, 2002)." IPCS INCHEM. Web. 16 Nov. 2009. <http://www.inchem.org/documents/cicads/cicads/cicad44.htm#6.0>.
Silver-Ag. Lenntech Water treatment. Web. 15 Nov. 2009. <http://www.lenntech.com/periodic/elements/ag.htm>.