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2011725· In this year leading up to Arizona's centennial, Feb. 14, 2012, we'll reprint a story or excerpts each day from the Arizona Daily Star or Tucson Citizen archives. July 18, …
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202564· Sources • Deposits of the Sierrita Mountains, Pima County, Arizona, Contributions to Economic Geology Bulletin 725, Washington. D.C., G.P.O.,1922.
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2014915· Samples were also collected in urban settings of Tucson (Arizona) and Sydney (New South Wales), and where mine tailings with no smelting operations are the primary …
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Tailings (re)processing research is an opportunity for a major investment in critical metals. and the $1-5B capital investment commonly required for each new mine. Assessing Arizona’s …
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Ajo is the Spanish word for garlic. The Spanish may have named the place using the familiar word in place of the similar-sounding O'odham word for paint. The Tohono O'odham people …
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Assessing Arizona’s tailings-hosted critical metals resource and developing viable means of extraction thus has huge potential for savings over the cost to find (let alone extract) them, as …
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2024611· The range hosts one of the earliest mining districts in Arizona, out of 246, known as the Amole district. Early prospectors included the Hohokam tribe 1,000 years ago and later …
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2024919· A judge in Maricopa County ruled that state officials violated open meeting law when it approved the value of a right-of-way for the Copper World mine project, located 35 …
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James E. and Barbara H. Sherman, “Ghost Towns of Arizona” (1969); Silver Bell Complex, Vignettes in Time Exhibit, Bureau of Land Management; Charles A. Stewart, “The Geology …
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A local railroad, Copper Basin Railway, transports ore to the Ray concentrator to the smelter, and sulfuric acid to the leaching facilities. The Amarillo facility produces 5/16″ copper rod. The rod …
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2024125· New technologies could refine copper the world needs — without dirty smelting Copper will play a central role in the energy transition. These startups are working on a …
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Printed copies are on sale at the Arizona Experience Store 416 W. Congress, Tucson, AZ 85701 (520.770.3500) For information on the mission, objectives or geologic products of the Arizona …
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6.9 Copper Tailings. Copper tailings are a finely ground waste after copper mineral has been extracted from the ores during beneficiation. Similar to CS, the use of copper tailings as a …
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Samples were also collected in urban settings of Tucson (Arizona) and Sydney (New South Wales), and where mine tailings with no smelting operations are the primary source of dust …
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The Detroit Copper Co. successfully operated Arizona’s first copper concentrating plant beginning in 1886, processing oxide ore containing 6.5% copper, concentrating it up to 23.8% copper …
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2025519· Arizona needs to strengthen aquifer-protection requirements for the massive proposed Copper World mine to guard against groundwater pollution beneath it, Pima County …
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Water from flotation is also used to transport tailings to the tailings dams. A significant portion of the water is in the tailings, where thickeners are used to extract much of the water, which is …
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16· As bulldozers and heavy equipment accelerate the pace of destruction on properties owned by Toronto-based Minerals Inc. in the Santa Rita Mountains 28 miles southeast of Tucson, environmental groups, …
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Gould Mine, Avra, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA : A former small underground Cu-Ag-Pb mine located in West-central sec. 31, T.13S., R.12E., 6 …
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Three of the more prominent mines have storied histories that include kidnapping, embezzlement, and bankruptcies. 1. Old Yuma Mine was the most successful mine in the Tucson Mountains. …
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2019129· Underground mining was the prevalent means for ore extraction at Inspiration through 1948 though it was supplemented by the block caving method, which reached a level …
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202563· A view of the Arizona Smelting Co. smelter, mill and town of Humboldt in 1906, one year after the town was founded. the following decade to treat the mill tailings from the …
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TUCSON, ARIZONA 1917-18. University of Arizona Bulletin SAMPLING SERIES No.2 SEPTEMBER 20, the material in an ore dump or tailings heap before any work is started in …
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4 · Arizona's Verde Mining District has historically been one of the richest outcroppings of copper ore in the world, with the United Verde and United Verde Extension Mines producing …
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Mass balance calculations estimate that only 4 ± 1% of the Te in the ore reports to the Cu anodes, while 60 ± 30%, 0.8 ± 0.2% and 5.8 ± 0.4% is lost in the tailings, slag, and dust, respectively. …
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Gangue and Tailings: Separating Value from Waste in Ore Processing. In ore processing, ores rarely consist solely of valuable minerals; they are often mixed with unwanted rocks and …
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202531· Copper World, a proposed copper-molybdenum mine formerly known as the Rosemont mine, is located in Tucson’s Santa Rita mountains. Among four major US mine …
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2025219· Modern industries that are involved in the design and development of high-technology products rely heavily on the availability of critical materials. …
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202569· Wilson, E.D., 1927, Geology and ore deposits of the Courtland-Gleeson region, Arizona: Arizona Bureau of Mines Bulletin no. 123, 79 p. Subscribe to stay connected to Tucson.
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