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Electrochemistry of Sulfide Flotation (1971 ANNUAL CONFERENCE NEW ZEALAND)
The interaction of flotation collectors with sulfide minerals takes place at the solid - solution interface. The electrochemistry of the processes which affect this interface are discussed. The intera
Jan 1, 1971
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Technical Considerations of Public Listing and Ongoing Compliance for Minerals Companies
By P Stephenson, G Mosher, M Berry, C Arnold, P Stoker
"An EXTENDED ABSTRACT is available for download. A full-length paper was not prepared for this presentation. Globally, private minerals companies considering the transition to a public company and ent
Mar 18, 2015
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Orogenic Gold Deposits – A Two-stage Process of Gold Enrichment
By R R. Large
"An EXTENDED ABSTRACT is available for download. A full-length paper was not prepared for this presentation. The formation of orogenic gold deposits is commonly a two-stage process. The first stage in
Mar 18, 2015
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Alluvial Platinum-Group Minerals in Southern New Zealand
Platinum-group minerals (PGM) are recorded from a number of localities along theWaiau River, western Southland, and the south coast of the South Island, New Zealand. At each locality, small amounts of
Jan 1, 1995
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Results from Physical Models of Block Caving
By D Cumming-Potvin, S W. Jacobsz and E Kearsley, J Wesseloo
This paper describes a physical modelling program that recreated block cave propagation in a geotechnical centrifuge. A brief description of the design of the test along with the sample material and m
May 9, 2016
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Epithermal Deposits: Diverse Styles, Diverse Origins?
By V Poizat
In different parts of the world the term epithermal is commonly used for a variety of deposit styles. Using the redox state of the ore-forming fluid (inferred from mineralogy and alteration), the meta
Jan 1, 1995
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More Money for Your Mineral
By J P. Clark
Industrial minerals contribute about 50% of the NZ$1.2 billion generated annually by the minerals industry in New Zealand. The value is supplemented by a further NZ$500 million of minerals imported to
Jan 1, 2000
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The Tolukuma Gold Silver-Vein System, Papua New Guinea
By G J. Corbett, T M. Leach
A continued exploration programme has further defined the geology of the Tolukuma vein system, verified the resource indicated by Newmont, and identified potential for additional mineralisation. The r
Jan 1, 1995
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The Batu Hijau Porphyry Copper - Gold Deposit, Sumbawa Island, Indonesia
By G H. Clark
Batu Hijau is a porphyry copper-gold deposit located onSumbawa Island in the western Banda Arc of Indonesia. The deposit has been evaluated from 54 000 m of drilling in 105 diamond drill holes over a
Jan 1, 1995
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A Geo-Mechanical Assessment of Thick Seam Mining Methods with Regard to Their Application to Australian Black Coals
By C D. Rawlings
An assessment is made of the potential for thick seam underground mining of black coal in Australia. A brief summary is given of the geo-mechanical environment and previous mining history existing in
Jan 1, 1980
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Application of Geostatistics to Gold Deposits
Geostatistical methods have become well established in the last two decades for the evaluation of ore reserves in base metal, industrial minerals, coal and gold deposits of the Witwatersrand type. How
Jan 1, 1992
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The Geology of the Mesel Sediment-Hosted Gold Deposit, North Sulawesi, Indonesia
By P F. Lauricella, D Hendri
In the Mesel sediment-hosted disseminated gold deposit, the spatial distribution of hydrothermal alteration is controlled by steeply dipping faults and shallowly dipping lithologies. Hydrothermal alte
Jan 1, 1995
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Theory of Sampling and geostatistics for twin drill holes analysis in a niobium mine in Araxá, Brazil
By T M. El Hajj, A C. Chieregati, M T. G C Marques, J M. Braga Jr, H Delboni Jr
"The estimate and control of sampling errors is essential for all mining operations, especially when dealing with strategic materials, such as niobium. This paper is based on a traditional quality ass
May 9, 2017
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Similarities and Dissimilarities in Florida Phosphate Ore Types - Surface and Bulk Property Analysis of the Flotation Feed, Concentrate and Tails
Similarities and Dissimilarities in Florida Phosphate Ore Types - Surface and Bulk Property Analysis of the Flotation Feed, Concentrate and Tails
Sep 13, 2010
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Nature Conservation and the Minerals Industry
This paper examines the reform of mining legislation over recent years, the establishment of new Crown land management agencies, and the role of the Crown and environmental groups in nature conservati
Jan 1, 1995
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An Update of Exploration at Gladstone and Union Hills, Waihi
Mineralisation was identified at Gladstone Hill as far back as the late 1870s-early 1880s, shortly after the initial discovery of mineralisation at what is now the Martha Mine. Indeed, early recovery
Jan 1, 2000
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Assessing the Potential for Industrial Minerals
It is possible to divide industrial minerals into four general categories: 1. fuels, 2. construction materials, 4. agricultural minerals, and 4. industrial minerals. It is proposed to ignore the
Jan 1, 1984
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Geostatistical Modelling of Hydraulic Fracturing Pressures at El Teniente Mine
By P Landeros, D Benado, J Cornejo, A Pinochet, C Caviedes
In 2005, El Teniente mine began preconditioning the primary rock mass by hydraulic fracturing (HF). The major perceived benefits of this process are a decrease in the magnitude of the expected maximum
May 9, 2016
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Structural Setting of the Empire Vein System of the Golden Cross Deposit, New Zealand
By M J. Begbie, K B. Sporle
The Golden Cross low sulfidation epithermal deposit produced approximately 750,000 ounces of Au from two ore zones: the underground Empire Vein System and the open pit stockwork. The Empire Vein Syste
Jan 1, 1998
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The Myth of Dangerous Human-Caused Climate Change
Human-caused global warming has become the environmental cause celebre of the early 21st century. The strong warming alarmist camp currently includes the United Nations, most Western governments, most
Jan 1, 2007