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Removal of Arsenic in Fluorite Ore by Simultaneous Grinding-Leaching with NaHS
Removal of Arsenic in Fluorite Ore by Simultaneous Grinding-Leaching with NaHS Generally speaking, a high-grade fluorite ore is converted into hydrogen fluoride (HF), which is essential for the semic
Sep 13, 2010
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Diamond Mines and Alluvial Deposits, South Africa-The Method Employed in Winning the Diamonds on the Vaal River Alluvial Fields
Although the Diamond that is cut and polished and made up into an article of jewellery, is so well known, there are, comparatively speaking, very few outside the industry who know this beautiful cryst
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Regional Scale Petrographic Variations in North Island Greywacke Aggregate Resources: Swelling Clays and Chlorite Content
A survey has been undertaken of the petrography of North Island greywackes with a particular focus on the occurrence in them of smectite (swelling clay) and chlorite, two minerals that are closely ass
Jan 1, 2006
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The Role of a Professional Institute in Addressing the Sustainability of Human Capital in the Minerals Industry
Over recent years the trend in Australia has been towards the definitions of sustainable development which emerged from the 1992 Rio Summit of retaining a commitment to ecological integrity, but also
Jan 1, 2002
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Developments in Coal Seam Gas Exploration
By M E. Taulis, S Hayton, D A. Manhire, J G. Pope
Successful development of coal seam gas (CSG) resources in low-rank coalfields such as the Powder River Basin has raised interest in CSG from low rank coal in New Zealand. Kenham Holdings Limited hold
Jan 1, 2004
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Biodiversity Offsets - An Overview of Selected Recent Developments New Zealand - Where to From Here?
By M Baker
Biodiversity offsets are conservation actions intended to compensate for the residual, unavoidable harm to biodiversity caused by development projects. The use of biodiversity offsets in the context o
Jan 1, 2007
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Development Aspects of the Golden Cross Project
Permitting, engineering and evaluation, detailed design and construction aspects of the Golden Cross goldmining project in New Zealand are briefly reviewed. The extremely lengthy and complicated gover
Jan 1, 1990
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Particle Size Measurement of TiO2 Nanoparticles in Non-Aqueous Solvent by Interactive Force Apparatus Under an Electric Field
Particle Size Measurement of TiO2 Nanoparticles in Non-Aqueous Solvent by Interactive Force Apparatus Under an Electric Field
Sep 13, 2010
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Hydrothermal Vein Sequences and Alteration of the Central Maratoto Valley, Coromandel Peninsula, New Zealand
By P Grieve, J L. Mauk
The Central Maratoto Valley in the Coromandel Peninsula contains a sequence of veins in pervasively altered dacite + andesites of the Waipupu Formation. We recognise at least eight different vein type
Jan 1, 1999
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Geophysics in Mineral Exploration
Interest in those physical properties of minerals which might be used to good effect in prospecting is not new. Early in the nineteenth century attempts were made in th'e Cornish mines to measure
Jan 1, 1950
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Economic Evaluation of Alluvial Gold Mining Operations
By W J. Cowie
Several years of operating experience of over 100 gold recovery operations on the West Coast has provided a database from which the basic operating costs of these types of operations can be characteri
Jan 1, 1987
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Soil Washing and Bioremediation of Slime Dam Material from a Gold And Uranium Mine
The solvent extraction section of an old Uranium Plant in the Vaal River region (North West Province in South Africa) produced a substance called CRUD (Chalk River Unidentified Deposit) that formed wi
Jun 1, 2010
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Alliance Type Contracts
When it comes to structuring major mining contracts, the two most widely adopted formats are æmeasure and valueÆ and æcost-plusÆ. A problem with both of these formats is the difficultly of aligning th
Jan 1, 2007
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Reducing total project cost in the study phase using zero base design
By J Merrells
Fluor, together with our clients, has yielded significant reductions in the total cost of mining projects by employing a systematic and methodical process of cost reduction. This paper outlines this s
Jul 24, 2017
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Improvement of sinter productivity by control of magnetite ore segregation in sintering bed
By H Matsuno, N Oyama, T Yamamoto, K Nakajima, Y Iwami, N Saito
Recently, the quality of sinter feed ore used in sintering process has deteriorated. In particular, Fe has decreased and gangue component has increased in the sinter feed ore. Increase of gangue is no
Jul 24, 2017
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The Future of Mining on Pitjantjatjara Lands
In 1976 the Pitjantjatjara Council was established under the Associations Incorporation Act 1985 (SA), for the initial purpose of organising and bringing together three similar Indigenous groups. Thes
Jan 1, 2002
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Effect of Temperature on Removal of Phosphorus from Australian Goethitic Iron Ores
By B M. Washington, R R. Lovel, G J. Sparrow, M J. Fisher-White
"Work in CSIRO with several Australian ores has shown that?by heating a high-phosphorus goethitic iron ore and then leaching with caustic or acid, the phosphorus levels in the ore can be lowered to a
Aug 12, 2013
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Prospectivity Modelling for Mesothermal Gold in New Zealand Using Spatial Analysis in GIS
By M Rattenbur, A B. Christie, S C. Cox
A new minerals initiative to increase the level of understanding of New Zealand's mineral resources and to promote the development of minerals began earlier in the year in a partnership pilot-pro
Jan 1, 2002
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Land Reclamation at Waihi û Principles
By R B. Stewart
Where pasture production is the intended land use of the areas to be reclaimed, the creation of a suitable growing +medium is a major objective. To achieve this land reclaimers require a sound underst
Jan 1, 1991
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Oxygen and Hydrogen Isotope Study of Veins in the Hishikari Epithermal Deposit, Japan: Origin of Ore-Forming Fluids
Quartz, adularia and clay minerals from low-sulfidation epithermal veins at Hishikari were analyzed for their oxygen and hydrogen stable isotope compositions to establish the source of paleohydrotherm
Jan 1, 2001