Copper Essay

632 words - 3 pages

Blake Adams Period 3Grade 8 2/5/97Copper ReportCopper is a mineral. it is not a plant or a animal. Copper is ametallic metal. It can never be broken down into differnet substances bynormal chemical means. Copper was one of the first metals known to humans.People liked it because in it's native condition, it could easily be beaten intoweapons or tools. Copper has been one of the most useful metals for over5000 years. Copper was probably used around 8000 B.C by people livingalong the Tigris and Euphrates rivers. In 6000 B.C, Egyptians learned how tohammer copper into things they wanted. Around 3500 B.C, People firstlearned how to melt copper with tin to make bronze. So the period between3000 B.C and 1100 B.C became known as the bronze age.Today, some of the leading states of the copper industryare Arizona with 747,000 short tons, Utah with 187,000 short tons, NewMexico with 161,000 short tons. Some other leading countries are Chile with1,422,000 short tons, United States with 1,203,000 short tons, Soviet Unionwith 650,000 short tons, and Zambia with 596,000 short tons.When copper is being mined, both Native copper and copper oreare usually found. The highest grade of copper ore is pale silvery gray.Miners used to be always in danger in copper mines. Today, we have reduceda fair amount of these hazards. Miners wear hats made of iron or very hardplastic. This is to protect them from falling rocks. Lamps are also attached tothese helmets in case some of the lighting in the mine goes out leaving aminer stranded in the dark. One of the biggest problems with mining is that insome places dangerous gas's may exist, like Carbon Monoxide. In the pastwe had very cruel and inhuman ways to detect harmful gases. One of theseways was the use of canaries. Miners would let them fly into a part of themine where a poison gas was suspected. If there was a...

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