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44% of mining facilities in the United States are located in forests. Large-scale mining in areas of Latin America, like Brazil, release pollutants detrimental to neighboring rainforests. [38] Copper mining efforts in the Carajas Mineral Province in Brazil result in 6,100 km of deforestation every year. [38]
A tray of application-specific integrated circuit (ASIC) chips A packet processing ASIC inside an Ethernet switch An application-specific integrated circuit ( ASIC / ˈ eɪ s ɪ k / ) is an integrated circuit (IC) chip customized for a particular use, rather than intended for general-purpose use, such as a chip designed to run in a digital ...
Profitability index (PI), also known as profit investment ratio (PIR) and value investment ratio (VIR), is the ratio of payoff to investment of a proposed project.It is a useful tool for ranking projects because it allows you to quantify the amount of value created per unit of investment.
2008 ranking Gold Strategist; total resource; 1 tonne = 1000 kg = 2204.6 lbs = 35,273.9619 ounces; 1 ton = 2000 lbs = 32,000 ounces; Newcrest Mining started including Lihir Gold assets in mid-2010 (revenue and profit changes are based on pre merger assets in 2009 and merged assets in 2010).
Bitmain Technologies Ltd., is a privately owned company headquartered in Beijing, China, that designs application-specific integrated circuit (ASIC) chips for bitcoin mining. History It was founded by Micree Zhan and Jihan Wu in 2013.
Cutoff grade is the minimum grade required in order for a mineral or metal to be economically mined (or processed). Material found to be above this grade is considered to be ore, while material below this grade is considered to be waste.
The original Z-score formula was as follows: [1] Z = 1.2X 1 + 1.4X 2 + 3.3X 3 + 0.6X 4 + 1.0X 5. X 1 = ratio of working capital to total assets. Measures liquid assets in relation to the size of the company. X 2 = ratio of retained earnings to total assets. Measures profitability that reflects the company's age and earning power.