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Maori Economic Development Aspirations Where to from Here?
Maori economic development still remains an enigma to many people some 157 years after the signing of the Treaty of Waitangi. It has only been in the last decade as a result of increasing pressures fr
Jan 1, 1997
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The Tectonics, Geology and Gold-copper Metallogeny of New Guinea
By S L. Garwin
"An EXTENDED ABSTRACT is available for download. A full-length paper was not prepared for this presentation. Since the Eocene, New Guinea tectonics have been driven largely by the south-westerly-direc
Mar 18, 2015
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The Mining Licensing Regime - Current Developments
By D A. Edmunds
The most important development that has been taking place recently relating to mining operations in New Zealand would generally be regarded as being the Resource Management Law Reform. This has been w
Jan 1, 1988
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Fundamentals of Cyclone Design and Operation
The cyclone, or centrifugal separator, ,is firmly established in industry as a low cost separator of solids from gases.While it will also separate fluids of different densities, and solids from liquid
Jan 1, 1949
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Impact of Mining on the Lower Ngakawau River
By M Pizey, M Kingsbury
Since 1950 Stockton Open Cast Mine has excavated over 60 million tonnes of Brunner Coal Measures overburden sandstones and mudstones. The current operator, Solid Energy New Zealand, recognises that ac
Jan 1, 2003
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Smelting Reduction and Direct Reduction of Iron Ores VAI Technologies for Scrap Substitutes (COREX«, FINMET«, FINEX«)
By Bohrn W, Milionis K, Tessmer G, Reidetschlager J
The share of electric arc furnace based steel production is increasing - New technologies for the production of virgin raw materials for EAF production are under development and on the market - VAI
Jan 1, 1999
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Development of New Comminution Testing Methodologies for Geometallurgical Mapping of Ore Hardness and Throughput
Development of New Comminution Testing Methodologies for Geometallurgical Mapping of Ore Hardness and Throughput The emerging discipline of 'geometallurgy' is becoming increasingly recognis
Sep 13, 2010
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Tungsten Carbide in Mining
By Gunderson C. T
The use of carbide tipped integral drill steels and detachable bits is discussed in relation to the means of drilling or cutting employed. It is stressed that only by correct use can the full value of
Jan 1, 1958
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Methods of Fine Coal Washing with Special Reference to a Felspar Jig
Fine coal is defined as material with a maximum size of 1/2 in. Various methods for separate washing of such coal are discussed briefly because separate treatment can lead to a higher overall recovery
Jan 1, 1961
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Sulphuric Acid Production at Port Pirie
The production of sulphuric acid at Port Pirie by the contact process began in March 1924 with the commissioning of the Electrolytic Zinc Co.'s roasting and acid plant. This plant, operated by B.
Jan 1, 1956
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Production of Aggregates in New Zealand û The Trends
By J P. Ashby
Compared with elsewhere in the world, New Zealand quarries have tended to be mostly small. The reasons for this are a combination of the relatively high transport costs, low population density and a p
Jan 1, 1993
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Upgrading of a Flow Sheet Selection PC Algorithm for Refractory Concentrates Treatment
Upgrading of a Flow Sheet Selection PC Algorithm for Refractory Concentrates Treatment
Sep 13, 2010
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Underground Footwall Monitoring at the Sublevel Caving Mine – Kiirunavaara, Sweden
By M Svartsjaern, D Saiang and K Mäkitaavola
The Kiirunavaara mine is a large-scale (28 Mt/a) iron ore mine located in northern Sweden. The mine is owned and operated by Luossavaara-Kiirunavaara Aktiebolag (LKAB) using sublevel caving (SLC). The
May 9, 2016
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Hierarchical Clustering Algorithm for Block Aggregation in Open Pit Mines
Open pit mine plans define the complex strategy of displacement of ore and waste over the mine life. Various mixed integer linear programming (MILP) formulations have been used for production scheduli
Dec 6, 2010
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Ore Penetration Into Calc Schist on the Kalgoorlie Goldfield
Development on the North Kalgurli mine has established a major penetration of ore into calc schist. This is controlled by a system of east-dipping strike faults. Previously, most calc schist ore bodie
Jan 1, 1964
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Effective Mine Planning on a Microcomputer
Tougher physical mining and processing conditions as well as economic circumstances are causing many mining companies to re-evaluate the effectiveness of their mine planning. The recent wave of ine
Jan 1, 1989
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Stannite Ore from Oonah Mine, Zeehan, Tasmania
Ore from the "Staimite" lode in the Oonah mine, Zeehan, has a complex composition and contains an exceptional number of elements. Its chemical composition has been indicated by the following
Jan 1, 1931
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Pelletising performance of Western Australian ultra-fine magnetite concentrate and strengthening technique by optimising ore matching
By X Hu, C-C Yang, J Pan
In this work, preheating and roasting tests of pellets made from blends of Western Australia ultra-fine (WAU) magnetite concentrate and Chinese domestic magnetite concentrate or Brazilian hematite con
Jul 24, 2017
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The Differentiation of Macerals by Thin-Film Colouring
When a thin film of volatile matter is deposited under vacuum on a polished coal surface, and the coated surface is examined microscopically in plane-polarized reflected light, colour changes are obse
Jan 1, 1970
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The CCRS SWIR Full Spectrum Imager: Mission to Nevada, June, 1995
The Canada Centre for Remote Sensing (CCRS) has developed an airborne sensor, the SWIR Full Spectrum Imager (SFSI) which detects in the short wave infrared range of the solar spectrum from 1220 to 242
Jan 1, 1995