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Effects of Tramp Grinding Steel and Iron Fines on Comminution, Flotation and CyanidationBy H. Yen, D. E. Walsh, H. K. Lin
"Comminution circuits are widely used in nonferrous and precious metals milling. Steel crushers, grinding mills and grinding media are typically used in comminution circuits. Comminution circuit wear
Jan 1, 2015
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Nitric Acid Pretreatment Applied to a Refractory Gold‑Tellurides Ore - Mining, Metallurgy & Exploration (2023)By Dairo E. Chaverra, Carlos Argumedo‑Jimenez, Oscar J. Restrepo‑Baena
This paper presents the results obtained by processing a gold and silver telluride mineral concentrate from a mine in Colombia. An acid wash, also known as acidification, was carried out, followed by
Nov 8, 2023
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Managing health and safety risks: Implications for tailoring health and safety management system practices - SME Transactions 2016By D. R. Willmer, E. J. Haas
As national and international health and safety management system (HSMS) standards are voluntarily accepted or regulated into practice, organizations are making an effort to modify and integrate strat
Jan 1, 2016
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Thermodynamic and Experimental Analysis of Copper Sulfide Precipitation in Copper-Cyanide SolutionsBy O. Alonso-Gonzalez, F. Nava-Alonso, A. Uribe-Salas, C. Jimenez-Velasco
"Most of the gold produced worldwide is still obtained by cyanidation, in spite of the difficulties encountered in the processing of some gold ores such as the dissolution of copper-bearing minerals i
Jan 1, 2015
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Mini Symposium - Longwall Mining - Research & Development - Safety - Health - Longwall Mining - Research & Development - Fundamental Approaches To Dust Control - IntroductionBy Steven K. Ruggieri
Increased coal production on longwalls has brought with it higher levels of dust generation. Most U.S. longwall mining operators have difficulty complying with Federal dust standards, which are strict
Jan 1, 1983
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World Trade In Metal Raw MaterialsBy John Drew Ridge
Tables showing world trade in metallic mineral raw materials during the years 1953 through 1957 have been prepared for the following twenty-one commodities: alumina, aluminum, bauxite, chromite, coppe
Jan 1, 1960
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Negative Industry Viewpoint Of CanadaBy R. E. Anderson
Canada encompasses an area of approximately 9,976,000 kilometres. It is comparable in size to the United States, but because of climatic conditions and limited transportation facilities, much of the a
Jan 1, 1976
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A Mini Field Test Of In-Situ Uranium Leaching: Interpretation Of ResultsBy Muhammad I. Kabir
A new minitest of in situ uranium leaching processes at reservoir conditions is proposed. The test which consists of a single observation/ production well and two observation wells is designed to perm
Jan 1, 1981
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Case study of blast vibration-induced sounds recorded inside a house near a West Virginia coal mine - SME Transactions 2010By B. T. Lusk, J. M. Hoffman, J. Silva Castro
Blast vibration induces sounds within neighboring residences. A housewide vibration and sound monitoring system was installed in a West Virginia home subjected to blasts from various distances and dir
Jan 1, 2010
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Investigation of the stability of a fly ash pond facility using 2D and 3D slope stability analysis - Mining, Metallurgy & Exploration (2024)By L. C. de Kooker, K. Esmaeili, I. Musonda, M. Ferentinou
A numerical investigation of the effect of pore pressure regime on the safety factor and the critical failure mechanism is presented for fly ash storage facility. Pore pressures’ measurements from sta
Mar 27, 2024
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Development Of Rock Geochemical Techniques For Detecting Buried Sulphide DepositsBy G. J. S. Govett
Dwindling near-surface mineral reserves emphasize the need for the development of exploration techniques capable of greater depth penetration; geochemical techniques tradition- ally have been restrict
Jan 1, 1975
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Surface Properties of Hydrophobic Solids ? IntroductionBy N. Arbiter
If two fluid phases are brought into contact with a solid, one fluid may completely wet the surface to the exclusion of the other, or both may wet it, forming a three-phase line of contact. These rela
Jan 1, 1964
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Platinum Group Minerals And Their Recoveries From Copper-Nickel Bearing Duluth GabbroBy I. Iwasaki
Precious metals are commonly believed to be recovered along with sulfide minerals in flotation, but a few neutron activation analyses showed that the recoveries of gold and silver were unexpectedly lo
Jan 1, 1985
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Tunneling under the gateway to New York HarborBy Colin Lawrence
The Port of New York and New Jersey is one of the most heavily used transportation arteries in the world, handling nearly 40 per-cent of the North Atlantic shipping trade and directly providing nearly
Jun 1, 2010
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Roof and pillar failure associated with weak floor at a limestone mine - SME Transactions 2015By J. L. Ellenberger, G. S. Esterhuizen, T. Miller, M. M. Murphy
A limestone mine in Ohio has had roof instability problems that have led to massive roof falls extending to the surface. This paper describes a collaborative study of these events undertaken by the Na
Jan 1, 2015
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Marketing Value-Added Minerals To Specialized MarketsBy G. P. Larson
We define a specialized mineral market as follows: Specialized markets occur where a low volume of a given mineral is used to convey a large benefit to a specific product. Sales of these value added
Jan 1, 1993
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Limestone Flotation Circuit At PermanenteBy John C. Kleiber
From time to time since the initial installation of an experimental flotation section in 1940 (reference A), Permanente Cement Company has made efforts to beneficiate the low-grade limestone fraction
Jan 1, 1964
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Copper Losses In Sulfide Concentrate Smelting Slag Are Dependent On Slag CompositionBy ?. ?ivkovic
The silicate slag and copper matte that are the byproducts of smelting copper in a reverberatory furnace contain SiO2, FeO, Fe3O4, CaO and Al2O3, and Cu, Fe and S, respectively. These components influ
Jan 1, 2010
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A Critical Path Approach To Mine Ventilation Networks With Controlled FlowBy Y. J. Wang
A critical path approach is presented for the problem of mine ventilation net- works where regulators and fans are employed to control the airflow distribution which is preassigned. The problem is a c
Jan 1, 1981
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Geology Of The Twin Buttes Copper Deposit Pima County, Arizona ? IntroductionBy James L. Kelley
The Twin Buttes Mine, one of the more recently developed large copper mines in the United States, is in the Pima Mining District about 25 miles south of Tucson (Figure 1). Other copper producing mines
Jan 1, 1976