Columbite–tantalite or coltan is a mineral which has become of great importance to the world because of its properties have been used in our mobile phones, computers, blades in aircraft engines, land-based gas turbines, mill products for sputtering targets and chemicals for audio and video. This has raised the prize of the black mineral and has created a profitable business where the tantalite is found in countries such as The Democratic Republic of Congo where the precious rock is found in the surface easy for its extraction. This process is often done by artisanal miners under the orders of the guerrilla, then the next step in the supply chain after its extraction is the trading and processing of Coltan. Coltan is usually traded in three forms: as ore concentrate, as tantalum oxides and salt, or as capacitor-grade tantalum. Columbite–tantalite is not traded on an open exchange but in negotiations taking place on a bilateral basis between buyers and sellers around the world. Prices are privately discussed and purchase contracts between buyer and seller are almost secrete. Traders a...
Elijah McCoy was born in Colchester, Ontario Canada on May 2, 1844, the son of former slaves who had fled from Kentucky before the U.S. Civil War. Educated in Scotland as a mechanical engineer, Elijah McCoy returned to the United States and settled in Detroit, Michigan.
The tar creek mining site originally was owned by a Native American tribe, the Quapaw. The Quapaw wanted to keep these lands, but the Bureau of Indian Affairs deemed members opposing a transaction to mining companies “incompetent” (1). In such a case the business could continue and the Bureau of Indian Affairs sold the lands to mining companies. In essence these lands were stolen from the Quapaw because they were ripe for mining. These mines were then used from approximately 1891 to 1970. In the 79 years the mines were open 1.7 million metric tons (~3.75 billion pounds) of lead and 8.8 million metric tons (~19.4 billion pounds) of zinc were withdrawn from the mine (2). The entire area around Tar Creek is known as the tri-state mining area. This tri-state area was a massive source of metals. This area accounted for 35% of the all worldwide metal for a decade. It also provided the majority of metals the United States used in World wars I and II (3).
The creation of societies in the West resulted in the blossoming of three new industries: mining, ranching, and farming. Mining began at large with the discovery of gold in California in 1849 and continued with other discoveries and “rushes” later on; these rus...
John Brown became a legend of his time. He was a God fearing, yet violent man and slaveholders saw him as evil, fanatic, a murderer, lunatic, liar, and horse thief. To abolitionists, he was noble and courageous. John Brown was born in 1800 and grew up in the wilderness of Ohio. At seventeen, he left home and soon mastered the arts of farming, tanning, and home building.
Young Goodman Brown undergoes the hero’s journey in the story written by Nathaniel Hawthorne. The hero’s journey is a common guideline of events that many writers use in stories to show the physical, mental, and/or emotional transformation the main character or protagonist undergoes throughout the story. It starts with a call to adventure and a supernatural aid. It is then followed by a road of trials and a symbolic death. In the end, the character has a moment of epiphany or realization and then a return. Hawthorne uses all of these in order to show the loss of innocence in Young Goodman Brown as he experiences the hero’s journey.
...graphy." Mining Techniques of the Sierra Nevada and Gold Country. N.p., n.d. 16 May 2014. .
The composition and structure of Canada’s trade is an ever changing entity. We are one of the chief lumber exporters in the world. We posses vast oil fields in Alberta, where there are about three-hundred billion barrels of oil as opposed to only two-hundred and sixty in Saudi Arabia. Grains are ex...
Napolean Bonaparte was one of the most extraordinary individuals in history. He was a ______ scholar, military genius, and an opportunistic leader. Throughout history there has not been one leader that was perfect or completely inadequate because that ____ not possible. Napolean, despite a few missteps, including the continental system and invading Russia, was truly a cunning and superb administrator?? who believed that there were no boundaries when it came to his ultimate goal of world domination. He was both an inspiration and _____ for people as well a “ruthless dictator who brought death and destruction.” As stated in the source, “To my mind, the only immortality is the memory we leave behind.” Napolean’s aspiration was to be remembered as a great person who achieved many things in France and to leave an everlasting mark on society. What people do in life will live on for eternity. You must do something or stand for something that is worth remembering. Over time most people are forgotten, however there are some whose names are remembered after years have passed because they did something great or notorious. Napolean was great and did great things. He broke boundaries and achieved what others could not. Napolean was a superior leader who saved France from the revolution, strengthened the french state all together, and gave long oppressed people throughout Europe a new sense of hope. The opinion that Napoleon left imprinted on history has long been argued however it is not difficult to show that he enriched the lives of the french people in many ways and deserves a positive and heroic legacy.
People are now starting to take small steps in an effort to eliminate conflict diamonds. Recently, the entire diamond industry made clear to the international community of its intolerance towards blood diamonds. An example of this is their introduction of the Kimberley Process, a certification system for tracking the diamond’s origin. The United States is currently working on legislation for the Clean Diamond Act, in order to ban any diamonds from an unidentified origin. Both of these policies are attempts to create a paper trail for the diamonds and to eliminate conflict diamonds from the ma...
A mineral that the Democratic Republic of Congo has vast wealth in is Columbite – tantalite, which is commonly referred to as coltan. Coltan is mined for the use in electronic devices. Some of these devices that coltan can be found in include: cellular phones, computers, jet engines, missiles, ships, and weapon systems. This mineral has an impact on our daily liv...
Rare metals such as cobalt play an important role in our daily lives. Devices from car batteries to cell phones contain rare cobalt, and as the demand for these devices increases, so does the demand for cobalt. However, the process of mining these materials horribly impacts both the environment and the miners. Most cobalt miners live in the African Congo, where they work for extremely low wages with little if any regulation. Child labor is a frequent force, as many children either cannot afford to go to school or need to work in order to be able to pay for school in the future. Artisanal mines are the worst offenders, with no regulation nor advanced mining technology, but since they produce much cheaper cobalt than industrial mines they continue
An incredible event happened in the 1930¡¯s that has changed lives ever since. That event, the creation of nylon, has manipulated the way people dress and live their everyday lives. It even provided more employment opportunities and job improvements throughout the years.
The jewelry industry is always in need of gold. In the past years, the Western mine production cannot meet the gold demand of jewelry industry. To compensate with the lack of gold supply, jewelry sectors tried to make do with reclaimed jewelry, reserves and other industrial scrap.
release their trading debts with less precious metal and keep the money of the difference between what
Commodity is a fundamental item used by almost everyone. In the past, tea, tobacco, salt, sugar are considered as commodities. People use these commodities to exchange goods. T...