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Buzwagi Open Pit Study
By M Sebbag, T Taimre
Barrick Gold Corporation is proceeding with development of the Buzwagi Mine in the Lake Victoria Greenstone Belt District of Tanzania. The Buzwagi orebody occurs in the Nzega Shear zone within the Gre
Jan 1, 2007
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The Iron-Ore Deposits Of The Moa District, Oriente Province. Island Of Cuba.
By Jennings S. Cox
(Glen Summit Meeting, June, 1911.) THE following notes, prepared in 1908, as the result of a personal examination and extensive explorations under my direction in 1906, have been revised and greatl
Mar 1, 1911
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A Laboratory Protocol to Evaluate Potential Chemical Interferences in Flotation Circuit Applications
By B. G. Cousins, B. O’Rourke, C. Spence
"Some non-flotation chemicals are added to flotation circuits directly and indirectly to control issues such as scaling and dust in other areas of the operations. Since dosage levels are generally not
Jan 1, 2016
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Monitoreo de convergencia en ambientes propensos a estallido de rocas en la mina Casapalca
By José Díaz Barrios
El proceso de la explotación minera de la veta Oroya Techo, perteneciente a la mina Casapalca, ha generado un desequilibrio del macizo rocoso, donde la energía que la roca de la caja, piso y techo (vo
Sep 12, 2005
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Carbon Black - General Summary
By Ivan F. Avery
DOMESTIC production of carbon black increased 4 percent in 1962 to 2,056 million pounds. Furnace black output was 8 percent, or 132 million pounds, above that in 1961 and accounted for 90 percent of t
Jan 1, 1963
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MLA 14-87 - Mineral Resources Of The High Rock Canyon Study Area, Washoe County, Nevada
By Douglas F. Scott
In 1985, at the request of the U.S. Bureau of Land Management, the U.S. Bureau of Mines studied an 11,980-acre part of the 33,300-acre High Rock Canyon Wilderness Study Area, CA-020-913B, in order to
Jan 1, 1987
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Waste Dump Site Selection By Using Fuzzy Vikor
By A. Yazadni-Chamzini
Considering the nature of open pit mines, harvest volume, it usually is required to remove a lot of waste to access to mineral planned grade. So, one of the most important part of open pit mines desig
Jan 1, 2012
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Design of the Epping to Chatswood Rail Line, Sydney, Australia
By Jim Rozek, Robert A. Gee
The Epping to Chatswood Rail Line project is the largest publicly funded infrastructure project in New South Wales. Construction commenced in November2002 with opening scheduled for 2008. The work inc
Jan 1, 2005
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The gemological identification of emeralds and blue sapphires
By J. E. Shigley
The gemological properties that allow natural emeralds and blue sapphires to be distinguished from other gemstones are summarized in this paper. A variety of synthetic and laboratory-treated emeralds
Jan 1, 1998
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Driving And Testing Of 75 M Long H-Piles In Shanghai - 1 . Synopsis
By Lucien Weber
In the Shanghai area, the soil conditions are such that bearing piles have become an essential foundation part of the new highrise buildings. In order to reduce the settlements under the high working
Jan 1, 1987
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Aumento Da Energia Do Gás Bof
By Francis Welington Moraes da Cruz
O sistema de despoeiramento primário da Aciaria da thyssenkrupp CSA é um equipamento complexo utilizado durante o sopro no conversor para captação, limpeza e resfriamento d
Jan 16, 2018
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The Synclinal or "Inverted Saddle" Reefs of the Bendigo Godlfield
Whilst much has been written in past years by geologists, scientists, mining engineers, etc., regarding the well·known and justly notorious anticlinal, or, as they are more commonly known, "
Jan 1, 1902
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RI 6358 A Penetrometer for Measuring the Absolute Viscosity of Glass
By Henry M. Harris, John E. Kelley, Thomas D. Roberts
A penetrometer apparatus for measuring viscosity of glass at temperatures up to 1,450 ° C was developed for use in establishing the viscosity coefficients required for high- temperature forming of cer
Jan 1, 1964
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Historical Evolution Of Deep Foundations
By Dean E. Matthews
The concept of a pile for construction is credited to a Neolithic tribe called the "Swiss Lake Dwellers" who lived in what is now Switzerland about 6,000 years ago. They used piling, not for supportin
Jan 1, 2003
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Investigation of the geomechanical criteria for safe and efficient crown pillar extraction beneath stabilised rock rockfill at the Crusader Mine
By J. Whitford
The established crown pillar extraction method at Gold Fields Australia Ltd.’s Crusader Mine, leads to the significant dilution and poor recovery of ore due to caving of the overlying loose rockfill.
Jan 1, 2003
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A critical evaluation of processes to produce primary titanium - Synopsis
By D. S. van Vuuren
Over the last 60 years many different processes were conceived to reduce the cost of titanium produced by the Kroll process. However, success eluded all previous efforts, which were consequently termi
Jan 1, 2009
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Desenvolvimento Do Controle Dinâmico Dos Convertedores Da Aciaria 1 Utilizando A Análise Dos Gases
By Carlos André Ruy Carneiro
Em virtude da necessidade de produção de aços cada vez mais restritivos com relação às faixas de composição química, torna-se necessário o desenvolvimento contínuo de novas ferramentas para o controle
Jul 29, 2018
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RI 9069 - Fugitive Dust Control for Haulage Roads and Tailing Basins
By Keith S. Olson
During 1982 and 1983, the Bureau of Mines concentrated its fugitive dust control research on haulage road dust suppression by newer chemi-cals relatively unknown in the mineral industry, innovative du
Jan 1, 1987
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O Uso De Resíduos De Construção Civil Em Substituição Parcial E Total De Areia Na Produção De Concreto Estrutural
By Niander Aguiar Cerqueira
A construção civil é um setor de extremo impacto na economia brasileira, tanto em termos de empregos quanto no consumo de matérias-primas e geração de resíduos. Resíduos de Construção Civil (RCC) repr
Oct 30, 2017
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Wave Interference Attenuation Relationships and Prediction
By Kimberlee Falkenstein, Volha Kibitkina, Jessica Steeves
A series of experiments were conducted to obtain site specific constants for the vibration produced by a single charge and by more charges detonating in sequence, using short delay intervals. All char
Jan 1, 2013