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Minimum recovery zone height in flotation columns from particle-bubble collision analysis
By J. A. Finch, Zhenghe Xu, Z. A. Zhou
A particle-bubble collision model was used to investigate the minimum recovery zone height, H(r,min) required for flotation columns. The criterion used to define H(r,min) is that height which gives un
Aug 1, 1995
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Development of Schytill and Geldart diagrams for determining the fluidization conditions for chlorination of anatase-charcoal mixtures
By R Adamian, F. T. Da Silva, D. H. Gameiro
Schytill and Geldart diagrams were developed for the TiO2-C-Cl2 system at 1 073 and 1 273 K, so as to define the hypothetical relations between particle sizes and chlorine velocity for simultaneous fl
Jun 21, 1905
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Variations in regional geochemical patterns: effects of site selection and data-processing algorithms
By J. D. Appleton, J. Ridgway, K. B. Greally
Paper presented at the 28th International Geological Congress held in Washington DC, July 1989 (International geochemical mapping sessions). The results suggest that meaningful geochemical maps can be
Jul 1, 1991
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Computer-aided instruction in mine automation
By M. J. Scoble, L. M. Daneshmend, C. Hendricks
Paper presented at a meeting on: Artificial intelligence in the minerals sector, held in Nottingham, UK, 20 April 1993. An attempt is made to relate emerging technologies to education and training req
Apr 1, 1994
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Earthing practice in metalliferous mining: results of study at Mount Isa mine, Queensland, Australia
By R. Sankey, L. Gatty, F. Bizzozero, G. F. Shannon, F. Savaglio, L. McDonald
State mining regulations in Queensland stipulate that a mine be provided with an earth installed on surface and that all underground equipment that needs to be earthed should be connected via a copper
May 1, 1991
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Contrasting hydrothermal behaviour of platinum-group elements of Ir and Pd sub-groups as exemplified by platinum-group minerals in Great Serpentinite Belt, eastern Australia
Paper presented at the IAGOD international symposium on mineralization related to mafic and ultramafic rocks held in Orleans, France, 1-3 September 1993. Phases of the Ir sub-group are present either
Apr 1, 1994
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Reducing the iron content of kaolin from Milos, Greece, by a hydrometallurgical process
By S. G. Tsimas, A. K. Moutsatsou, G. K. Parissakis, M. A. Komiotou
For Greek kaolin producers, a considerable proportion of whose output is from deposits containing more than 4 wt% Fe2O3, the colouring resulting from iron oxide impurity represents a serious problem t
Aug 1, 1995
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Trace-element geochemistry and alteration facies associated with epithermal gold-silver mineralization in the evolving volcanic centre, Rosita Hills, Colorado, USA
By C. J. A. Mcewan, C. M. Rice
The Rosita Hills contain rich, vein- and breccia pipe-hosted precious metal deposits. Volcanic activity occurred in two cycles - an early, mainly andesitic cone-building phase that terminated in the f
Jan 1, 1991
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Development of platinum-group minerals in laterites - initial comparison of organic and inorganic controls
By A. P. Gize, J. F. W. Bowles, D. J. Vaughan, S. J. Norris
Paper presented at the IAGOD international symposium on mineralization related to mafic and ultramafic rocks held in Orleans, France, 1-3 September 1993. Geological evidence from tropical laterites in
Apr 1, 1994
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Crown pillar risk assessment - planning aid for cost-effective mine closure remediation
By T. G. Carter, R. I. Miller
First, the influence of variation in the
Apr 1, 1995
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Behaviour of magnesia-bearing fluxes during iron ore sintering
By B. M. England, L. C. Mackey
Magnesia minerals are included in most iron ore sinter mixes to provide the MgO requirements of blast furnace slag. The properties of these minerals have an influence on the eventual sintering propert
Jun 18, 1905
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Selective chlorination of iron from synthetic pseudobrookite
By F. C. Gennari, D. M. Pasquevich
With the gradual exhaustion of natural rutile, there has been extensive research into its synthesising from lower-grade titanium minerals. The removal of Fe from pseudobrookite (Fe2TiO5) by chlorinat
Jun 21, 1905
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Nature of gold mineralization at Mule Canyon, Lander County, Nevada, USA
By T. J. Serenko
The epithermal deposit is hosted by Tertiary volcanic rocks that lie between mid-Miocene normal faults of the Northern Nevada Rift. Petrographic, laser-ablation and metallurgical observations suggeste
Aug 1, 1995
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Comparison of stereological correction procedures for liberation measurements
By J. A. Finch, D. Lin
The robustness of the large-sections correction procedure, Hill's fast approximation, Barbery's correction and the PARGEN correction was examined by comparing their ability to reconstruct the true lib
Dec 1, 1995
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Laboratory technique for evaluation of methods of suppressing nuisance dust
By S. P. Godby, S. P. Sharples
Wind-tunnel tests were carried out of the conditions under which nuisance dust particles (100-1 000 micrometres) become entrained by wind. A laser entrainment monitoring system (LEMS) was used, and wa
Jun 19, 1905
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Studies of regional drainage geochemistry in Jamaica
By R. G. Garrett, A. J. S. Geddes
Paper presented at the 28th International Geological Congress held in Washington DC, July 1989 (International geochemical mapping sessions). The 1986 geochemical survey was successful in recognising a
Jul 1, 1991
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Environmental assessment: a new experience
By I. J. Brown
Paper prepared for presentation at Industrial minerals and the environment, held in Leeds, 24-35 September 1990. The need to submit an environmental statement (EIS) has certainly increased the workloa
Jan 1, 1991
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Analysis of pillar design practices and techniqes for U.S. limestone mines
By A. T. Iannacchione
Underground mining of stone in the US is increasing, as is the depth of overburden above the mines. Data gathered from mine visits, maps, discussion with operators and numerical simulation have been u
Jun 21, 1905
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Three-dimensional modelling of fill drainage in mine stopes
By L. T. Isaacs, W. H. Traves
A numerical model for analysing the drainage of fill in mine stopes has been described. The model can be used to analyse the process of fill drainage in existing and proposed mine stopes. The validity
May 1, 1991
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Pechenga area, Russia - part 1: geological setting and comparison with Pasvik, Norway
By V. A. Melezhik, P. K. Skufin, L. P. Nilsson
these factors into account. Theoretical and
Aug 1, 1994