OPPapers.com Essay Index >> Science >> Civilization And The Importance Of Iron And Oxygen
We have many free term papers and essays on Civilization And The Importance Of Iron And Oxygen. We also have a wide variety of research papers and book reports available to you for free. You can browse our collection of term papers or use our search engine.
Civilization and the importance of iron and oxygen Steel is used everywhere in our daily lives, but we are not quite sure where it came from. Even though we know
cells grow, medicines cure. Chemistry is concerned with the essential processes that make these changes happen. Brief Historical Development: Chemistry plays an important
It provides a peek into the process that regulates our ocean and forms our seabeds. These roles affect not only our environment, but they affect us as well. Our ability
grow 10.5 percent in 2006 China's per capita GDP to reach 2,400 U.S. dollars in 2010. Key indicators 2007 2008 2009 2010 2011 2012 Real GDP growth (%) 11.4 9.8 9.0
agreements have been made to clean up the Great Lakes. Canada's federal Conservative government has announced in 1989 to spend $125 million over five years on Great
Submitted by GISLab on October 9, 2007
Category: Science
Words: 905 | Pages: 4
Views: 164
Popularity Rank: 83,928
Average Member Grade: N/A (Add a Comment / Grade this Paper)
Steel is used everywhere in our daily lives, but we are not quite sure where it came from. Even though we know it is extracted from an iron ore, most of us may not know how an iron ore looks like, much less how it has been generated. This time, I am going to introduce one of its places of origin along with earth's history glimpsed by iron ores there.
I don't know how long it took for a train to cut across my way. It may have taken more than 10 minutes. In such a situation, it would be natural for people to be frustrated or get mad, but that wasn't the case with me. I was so much captured by the sight in a car.
I am not talking about a railroad crossing in Japan where trains come and go relentlessly nor that I am a train spotter. There was worth watching the sight.
I was on my way from Port Hedland in Australia toward inland when I had encountered a train carrying iron ores to port. There was no other car except mine. Numerous numbers of wagons were slowly dragged by only one locomotive engine.
The iron ores were extracted from a stratum generated 2.5 billion years ago at an open pit mining in Pilbara area. Iron ore layer can be viewed well from a valley in a national park located near the mine. People can go down the valley, which cuts in an arid plane deeply, to closely view iron ore walls.
The walls exhibit a red brown beautiful stripe pattern of stratum. The stripe is as small as a few millimeters when looked closely, but at the same time, one can see much bigger stripe patterns in distance. Stratum, which contains an iron ore is named banded iron formation after its stripe pattern.
The difference of the amount of iron contained in each layer contributes to form the stripe pattern. A layer containing larger amount of iron becomes an iron ore. Iron ore is the name of a rock, which consists mainly of oxide iron (magnetite, hematite, limonite and others). A layer...
You must Login to view the entire paper.
If you are not a member yet, Sign Up for free!