Open-pit mining

BHP Billiton is a mining, metals and petroleum company based out of Melbourne, Australia. BHP Billiton is considered amongst the largest mining companies in the world. It is in BHP Billiton’s values to put health and safety first, being environmentally responsible and supporting the communities in which it operates. BHP Billiton is a registered Organizational Stakeholder of the Global Reporting Initiative (GRI). BHP Billiton practices its sustainability initiatives around the four major areas: 1…

men in the dimly lit shaft, the silence is almost deafening, yet the silence speaks of hard labor, sweat, dirt, and fear. This is a sampling of what visitors might experience at the Arizona Historical Society’s (AHS) Arizona History Museum’s Arizona Mining Hall exhibit in Tucson, Arizona, adjacent to the University of Arizona campus. According to the AHS website, the society was “established by an Act of the First Territorial Legislature on November 7, 1864” (arizonahistoriclsociety.org). It…

In the article “Explorations in Economic History”, by Karen Clay and Gavin Wright, the two authors emphasize mainly on the nature of mining districts and property rights during the California gold rush which took place in the middle of the 18th century. The California gold rush is the most well-known and largest mass migration in the history of America. However, the article provides support by containing two of the authors views that coincide, which are from the popular perception and academic…

dominant mineral while zinc was mostly exhausted. The orebodies’ bedded nature remained the same within the oxidized zone but the rocks are filtrated outside the oxidized zone. In addition, this oxidized ore were generally used for ancient production of mining a long time ago. But nowadays, this oxidized ore would only be used for smelter flux. Exploration indicators Mount Isa Mines Limited was the exploration indicator for Mt. Isa area (Forrestal, 1990). Since 1927, the sulphide ore was…

Mexico is infamous for its vast mining system. With almost 10 billion ounces of silver mined, Mexico is one of the largest exporters of silver. ( Brown 1). Some of the earliest activity dating back as far as the sixteenth century.To date there over 200 mining companies who have projects in mexico. Historically conditions in these mines were have been below the safety standards. In Most cases miners would enter a tunnel not knowing whether they would make it back out. Francisco Mora’s “Mine…

Francisco Vasquez de Coronado Notes Francisco Vásquez de Coronado was born in Salamanca, Spain 1510. He traveled with Antonio de Mendoza to the new world. He married Beatriz de Estrada called "the Saint”. Her sister of Leonor de Estrada was an ancestor of the de Alvarado family and daughter of Treasurer and Governor Alonso de Estrada y Hidalgo, Lord of Picón, and wife Marina Flores Gutiérrez de la Caballería, from a converso Jewish family. Coronado inherited a large portion of a Mexican estate…

the Routes the forty niners used and ghost towns. Tools The pioneers in the gold rush used tools to find gold better. I am going to tell you about them. The most common tool for mining was the pan. You won’t find as much gold as using a pickaxe, but it is the easiest method of mining. Also in the gold rush if you didn’t clean your pan when you go to bed you would end up with a rusty mess the next day. This a gold pan used now with plastic instead of metal. You could…

The Story of the Kobold Fast Facts Origin: Teutonic (Germany) Role: Servant and Mischief Maker What is the Kobold Origin Kobolds originated as small helper spirits in Teutonic Germany, where they can be found in carvings dating to the 13th Century. They are spirits, or of the faerie realm, and are most commonly found in woods or mines. Although they are helpers, once attached to a particular human or place they refuse to leave. If angered then the help turns to hindrance, and the…

Do you think coal mining is worth the risk involved or not? Some people might think it is. But some might think it isn't. For me I think it isn't. I am going to tell you 3 ways I think coal mining isn't worth the risk. One long term health,two it causes site accidents,and three global warming. Those are the three ways I think isn't worth the risk. First, long term health is where miners suffer from medical problems caused by working in mines. For example, COPD and black lung disease are two…

production and is only profitable at high prices. However, producers have come up with alternate solutions to help ensure the prolonged use of Indium such as stockpiling, reserves and recycling Indium by using alternate concentrates and residue from mining. Even though the last alternative seems practical, the purity of Indium and its qualities are reduced, but moreover, the residue or alternate concentrates impacts the…