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Topic: Copper

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In the News (Tue 20 Aug 19)

  Copper Mountain Ski Resort - Official Website - Copper Mountain, Colorado
Copper Mountain is located in Summit County, Colorado, 75 miles west of Denver in the Colorado Rocky Mountains.
With 2,450 acres of ski and snowboard terrain Copper is perfect for your Colorado winter ski vacation or summer vacation getaway.
Copper offers shopping, dining, convenient lodging and family activities, including snow tubing, snowshoeing and snowmobiling in the winter, and hiking, biking and rafting in the summer.
www.coppercolorado.com   (0 words)

  ATSDR - ToxFAQs™: Copper
Copper is a metal that occurs naturally in the environment, and also in plants and animals.
Copper is a metal that occurs naturally throughout the environment, in rocks, soil, water, and air.
Copper compounds are commonly used in agriculture to treat plant diseases like mildew, for water treatment and, as preservatives for wood, leather, and fabrics.
www.atsdr.cdc.gov /tfacts132.html   (1111 words)

  Copper - Wikipedia, the free encyclopedia
Copper was associated with the goddess Aphrodite/Venus in mythology and alchemy, owing to its lustrous beauty, its ancient use in producing mirrors, and its association with Cyprus, which was sacred to the goddess.
Copper, as native copper is one of the few metals to naturally occur as an uncompounded mineral.
Copper is found in a variety of enzymes, including the copper centers of cytochrome c oxidase and the enzyme superoxide dismutase (containing copper and zinc).
en.wikipedia.org /wiki/Copper   (2497 words)

 Native copper - Wikipedia, the free encyclopedia
Copper, as native copper, is one of the few metallic elements to occur in uncombined form as a natural mineral.
Native copper was an important ore of copper in historic times and was utilized by pre-historic peoples.
The mines of the Keweenaw native copper deposits of Upper Michigan and adjacent northern Wisconsin were the major copper producers of the 19th and early 20th centuries.
en.wikipedia.org /wiki/Native_copper   (185 words)

 Copper Development Association - www.copper.org - Info on copper and its alloys.
Copper Development Association - www.copper.org - Info on copper and its alloys.
The History of Copper In The U.S. 60 Centuries Of Copper
September '07 - The Guggenheim family's copper legacy, the bronze works of Steven Whyte, copper installation art by Amy Kupferberg, the elements of the Aesthetic Movement featured in Bard's Brass Menagerie exhibit, the copper history of the Statue of Liberty, copper art events, and more.
www.copper.org   (0 words)

 Exploring for Copper Deposits
In this model, the immediate sources of the metals are the rocks surrounding the igneous stock, the circulating groundwater is the transporting mechanism, and the cooling and changing composition of the groundwater is the precipitation mechanism.
A central stock is surrounded by copper ore bodies, then an alteration zone, and finally unaltered sedimentary and/or volcanic rocks with some minor copper mineralization.
Color in the squares and circles in the symbol key indicating the concentration of copper in the sediment and soil samples in figures 5 and 6.
www.beloit.edu /~SEPM/Rocks_and_minerals/exploring_for_copper.html   (2163 words)

Copper is present in concn averaging about 4 ppm in limestones, 55 ppm in igneous rocks, 50 ppm in sandstones, and 45 ppm in shales.
The concentration of copper in the continental crust, generally estimated at 50 ppm, tends to be highest in the ferromagnesium minerals, such as the basalts pyropene and biotite, where it averages 140 ppm.
The average atmospheric level of copper in the 1970's was 0.4 mg/cu m in remote area, 25 ng/cu m in rural areas, 160 ng/cu m in urban areas, and 190 ng/cu m in suburban areas.
www.speclab.com /elements/copper.htm   (2330 words)

 The Mineral Copper (DesertUSA)   (Site not responding. Last check: )
Copper found in the free metallic state in nature is called "native copper." It is found throughout the world as a primary mineral in basaltic lavas.
Copper was intentionally alloyed with tin as bronze about 3500 BC, and this harder metal was so universal in early history that one period is known as the Bronze Age.
Copper is also a trace element essential to the healthy life of many plants and animals, in which it usually occurs as part of oxidizing enzymes.
www.desertusa.com /mag98/july/papr/geo_copper.html   (674 words)

Copper's effect on elastin is especially important because elastin gains its strength primarily from cross linking [Carnes1971(discusses copper aminases)] and because elastin is the main material of several important organs, which include blood vessels, spinal discs, lungs, and skin [Carnes, 1977].
Copper chaperone proteins move the copper inside the cell cytoplasminto target enzymes, which may be a process to avoid copper toxicity.
In copper deficient rats the Q-T intervals are larger and the QRS amplitudes are increased [Shiry].
members.tripod.com /~charles_W/copper.html   (4915 words)

 EPA Ground Water & Drinking Water > breadcrumb? > Consumer Factsheet on: COPPER
The Action Level for copper has also been set at 1.3 ppm because EPA believes, given present technology and resources, this is the lowest level to which water systems can reasonably be required to control this contaminant should it occur in drinking water at their customers home taps.
Copper may occur in drinking water either by contamination of the source water used by the water system, or by corrosion of copper plumbing.
Copper is rarely found in source water, but copper mining and smelting operations and municipal incineration may be sources of contamination.
www.epa.gov /safewater/contaminants/dw_contamfs/copper.html   (951 words)

 Copper I   (Site not responding. Last check: )
Much of the copper used by the Native American was "drift copper" — removed from the rocks by the glaciers and dropped randomly in the glacial debris.
Copper from these mines was widely distributed throughout the country, and it is probable that numerous tribes made summer pilgrimages to the Upper Peninsula to get supplies of the precious metal.
The copper carried in solution in the water was deposited in cavities and pore spaces in the rocks due to changes in chemistry and/or cooling of the fluids.
www.geo.msu.edu /geo333/copper.html   (1979 words)

 THE MERCK MANUAL, Sec. 1, Ch. 4, Mineral Deficiency And Toxicity
Copper (Cu) is a heavy metal whose unbound ions are toxic.
Almost all of the copper in the body is present as a component of copper proteins, thereby reducing the in vivo concentration of unbound copper ions almost to zero.
The copper toxicosis of Wilson's disease is characterized, from birth on, by an average concentration of hepatic copper 20 times higher than normal and by deficiency of the plasma copper protein ceruloplasmin, averaging about 30% of normal.
www.merck.com /pubs/mmanual/section1/chapter4/4j.htm   (1881 words)

 ENIVA: Copper   (Site not responding. Last check: )
Copper is classified as an essential mineral because copper is needed by all tissues.
Copper also plays a role in the body’s formation of strong, flexible connective tissue, and in the proper cross-linking of collagen and elastin.* Elastin is a major component of large blood vessels, and its proper maintenance helps to promote normal cardiovascular health.*
Kivirikko K and Peltonen L. Abnormalities in copper metabolism and disturbances in the synthesis of collagen and elastin.
www.eniva.com /products/mfl_copper.html   (753 words)

 MedlinePlus Herbs and Supplements: Copper
Copper is a component of multiple enzymes, is involved with the regulation of gene expression, mitochondrial function/cellular metabolism, connective tissue formation, as well as the absorption, storage, and metabolism of iron.
Copper deficiencycan occur in infants fed only cow-milk formulas (which are relatively low in copper content), premature/low-birth weight infants, infants with prolonged diarrhea or malnutrition, individuals with malabsorption syndromes (including celiac disease, sprue, or short bowel syndrome), cystic fibrosis, in the elderly (6), or those receiving intravenous total parenteral nutrition (TPN) or other restrictive diets.
Copper is a part of the U.S. RDA (recommended daily allowance: 890mcg for adolescents 14-18 years old; 700mcg for children 9-13 years old; 440mcg for children 4-8 years old; 340mcg for children 1-3 years old; 220mcg for infants 7-12 months old; 200mcg for infants 0-6 months old).
www.nlm.nih.gov /medlineplus/druginfo/natural/patient-copper.html   (5167 words)

 Copper From the Bronze Age to the Fall of Rome
The alloy brass, in which copper is mixed with zinc, was discovered sometime before 600 B.C. The state of Lydia, south of Troy in western Turkey, invented the idea of coins as a medium of exchange.
Copper and iron on the surface of the Earth at that deposit colored a nearby river red.
In order to smelt "sulfide" minerals, that is minerals made of copper, iron, lead and zinc chemically bound to sulfur, they have to be heated and "oxidized" first.
www.unr.edu /sb204/geology/rome.html   (1350 words)

 Obscure Economic Indicator: the price of copper. - By Daniel Gross - Slate Magazine
Copper is a cheap, plentiful metal with lots of useful properties: It resists corrosion and is an excellent conductor of heat.
According to the Copper Development Association, almost half of the copper in the United States goes for building construction.
This monthly chart plots copper's rise over the last several years, and this vertigo-inspiring chart illustrates how the price of copper has doubled in the last year.
www.slate.com /id/2130034   (922 words)

 Chemistry : Periodic Table : copper : key information
Small and large samples of copper foil like this, as well as sheet, wire, insulated wire, mesh, and rod (and copper alloy in foil, sheet, and wire form) can be purchased from Advent Research Materials via their web catalogue.
Apparently the reason that policemen in the USA are nicknamed "cops" or "coppers" is to do with their uniforms which used to have copper buttons.
Copper metal is readily available commercially so it is not normally necesary to make it in the laboratory.
www.webelements.com /webelements/elements/text/Cu/key.html   (483 words)

 Copper Mountain Real Estate
These beautiful residences sold out in record time and Copper Mountain now has 26 happy new homeowners.
On the banks of the Ten Mile Creek, Copper’s coveted Union Creek neighborhood offers some amazing opportunities.
Whether you prefer hiking, cycling, golfing, skiing, or relaxing and connecting with family and friends, Union Creek has it all.
www.copperliving.com   (134 words)

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