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Palaeogene basin development in Devon
By J. L. Robson, C. M. Bristow
mass flow rates of particles and air (the loading ratio).
Dec 1, 1994
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Knowledge-based system for condition monitoring of cone crushers
By I. D. Nock, R. M. Parkin
Paper presented at a meeting on: Artificial intelligence in the minerals sector, held in Nottingham, UK, 20 April 1993 (original title: Knowledge-based condition monitoring of cone crushers). A large
Apr 1, 1994
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The database: a prerequisite for large-scale use of artificial intelligence in mining
By S. Henley
Paper presented at a meeting on: Artificial intelligence in the minerals sector, held in Nottingham, UK, 20 April 1993 (original title: The database: a pre-requisite for large-scale use of AI in minin
Apr 1, 1994
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Analaysis and management of financial risks arising from ground conditions
By I. L. Whyte
apparent density and drag coefficient of porous ores on
Apr 1, 1995
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Design methods to control violent pillar failures in room-and-pillar mines
By R. K. Zipf
The sudden, violent collapse of large areas of room-and-pillar mines poses a special hazard for miners and mine operators. This type of failure, termed a cascading pillar failure, occurs when one pill
Jun 19, 1905
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Geology and geochemistry of Iperindo primary gold deposit, Ilesha schist belt, southwestern Nigeria
By G. M. Steed, A. O. Oyinloye
The deposit lies in amphibolite-facies biotite granite-gneisses of Proterozoic age, 4 km east of a major crustal break known as the Ifewara-Zungeru fault. Gold mineralisation is contained in a zone of
Apr 1, 1996
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Underground void visualization and volume calculation by a low-cost, laser-based surveying technique
By K. D. Russ, A. J. Beer
Non-contact systems for measuring underground voids have used theodolites, reflective or non-reflective laser methods and sonar techniques. An effective but cheaper alternative is based on use of a Wi
Jun 21, 1905
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Study of probability of detachment of particles from bubbles in flotation
The probability of detachment of quartz particles from air bubbles during bubble oscillations was investigated by means of a vibration method. Theoretical calculations of the detachment force based on
Dec 1, 1991
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Recovery of molybdenum as molybdic oxide from Rakha molybdenite, India, by soda-ash roasting
By D. K. Bose, R. H. Rakhasia, V. D. Shah, J. C. Sehra
A series of experiments was conducted to determine the effects of roasting temperature, soaking period and quantity of soda ash added. At a laboratory scale, under optimum conditions of roasting at 87
Jun 18, 1905
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The influence of incombustible substances on coal-dust explosions
The paper, presented at the North of England Institute of Mining and Mechanical Engineers' general meeting held in Newcastle-upon-Tyne, 8th April 1916, presents experimental work undertaken to observe
Dec 1, 1916
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Geopressure zones as proximal sources of hydrothermal fluids in sedimentary basins and the origin of Mississippi Valley-type deposits in shale-rich sequences
By A. D. Fowler, M. T. Anderson
A phenomenological model is presented that relates Pb-Zn mineralisation to proximal geopressure zones. Typically, geopressure zones (GPZ) consist of masses of undercompacted sediment encapsulated with
Jan 1, 1991
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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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Spanish roofing slate deposits
By M. Lombardero, J. Garcia-Guinea, J. Taboada, B. W. Roberts
The structural, textural and mineralogical properties of the slate formations of NW Spain make it the most important district in the world for quarrying roofing slates. Over the past 10 years the intr
Jun 19, 1905
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Remote sensing, geobotany and biogeochemistry in detection of Thalanga zinc-lead-copper deposit near Charters Towers, Queensland, Australia
By M. M. Cole
An assessment of the combined application of remotely sensed satellite imagery, geobotany and biogeochemistry reveals the complementary value of these techniques in the Thalanga area. The SPOT imagery
Jan 1, 1991
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Leaching of Dominican gold ores in iodide-catalysed thiocyanate solutions
By S. P. Ball, A. J. Monhemius
In a laboratory study under acidic oxidising conditions, the thiocyanate system gave results at least as good as cyanide and considerably better than thiourea, with modest consumption of SCN (less tha
Dec 1, 1995
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Basic aspects of nickel extraction from chromitiferous overburden
By B. R. Reddy, Y. V. Swamy, B. V. R. Murthy, H. S. Ray
The Ni oxide was reduced with a CO-CO2-N2 gas mixture and the effects were observed of process variables such as roasting temperature, time and CO partial pressure. Extraction of over 90% of Ni was ac
Dec 1, 1995
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Prediction of performance of 76-mm compound autogenous cyclone at different outlet diameters
By R. Venugopal, T. C. Rao, N. Suresh
Experiments were carried out using the cyclone to treat coal in the size range -2.0+0 mm. The diameters of the cyclone outlets (vortex finder and spigot) were varied to study their effects on cyclone
Apr 1, 1995
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Probabilistic risk analysis of slope stability
By A. P. Whittlestone, J. D. Johnson, R. J. Pine, M. E. Rogers
standpoint. The effect on efficiency of collisions
Apr 1, 1995
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Strata-bound pyritic copper mineralization on a fore-arc setting in northwestern India: a Proterozoic Besshi-type deposit
By A. D. Mukherjee, H. N. Bhattacharya
Middle Proterozoic sulphide ore mineralisation occurs in isolated blocks of the NE-SW trending Delhi fold belt composed of Delhi Supergroup rocks. The Ajari-Basantgarh-Pipela belt forms part of the lo
Jun 19, 1905
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Method for assessment of rock drillability incorporating the Protodyakonov index
By T. Serradj
A study has been carried out to: develop a method for routine characterisation of rock strength and drillability through the particle-size distribution of crushed or drilled rock products, defined by
Dec 1, 1996