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Leaching of Some Australian Nickeliferous Laterites with Sulphuric Acid at Atmospheric PressureSulphuric acid leaching at atmospheric pressure of a number of Australian nickeliferous laterites was examined in detail. The results obtained indicate that nickel can be extracted from these ores, al
Jan 1, 1978
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SEM and TEM Investigations of a Dioctahedral Clay Mineral Series in the Golden Cross Epithermal Deposit, New Zealand: Preliminary ResultsBy D R. Peacor, J L. Mauk
Dioctahedral clay minerals in the volcanic-hosted Golden Cross epithermal Au deposit, New Zealand, have been investigated by petrography, X-ray diffraction (XRD), scanning electron microscopy (SEM) an
Jan 1, 1999
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Development of New Comminution Testing Methodologies for Geometallurgical Mapping of Ore Hardness and ThroughputDevelopment 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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Rosedale Outfall Project – Overcoming Extreme ConditionsBy T Ireland
The Rosedale Outfall Project utilised an earth pressure balance (EPB) tunnel boring machine (TBM) for only the second time in Auckland. Although the tunnel was excavated fully through East Coast Bays
Mar 8, 2011
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Bankshooting Techniques at Moura Open Cut Coal Mine, QueenslandBy Hoppe AJ
Drilling and shooting techniques at Moura open-cut have evolved over a period of 16 years and are the result of hard earned experience combined with established practices and consul- tation with pro
Jan 1, 1978
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Prospecting for Fine Gold Using a Paper Chromatographic MethodBy Lever R. R
The paper discusses assay methods generally used when prospecting for gold, and also the applicability of various chemical methods, it describes a new paper chromatographic technique.for making fairly
Jan 1, 1959
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Submicroscopic Gold in a Pyrite ConcentrateA pyrite flotation concentrate assaying 0·065 oz/ton gold was investigated to determine the mode of occurrence of the gold. Ftom cyanidation and acid leaching experiments it was concluded that O&
Jan 1, 1969
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The Role of the Supplier in Remote Area MiningIn contrast with mining in areas close to the main centres, mining in remote areas is characterised by comparatively high initial investment and relatively high running cost for the life of the mine.
Jan 1, 1998
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The Role of the Quarrying Industry in New ZealandOn the face of it this is an easily answered question. Modern technology and life as we know it today would be impossible without industrial minerals and the responsible utilisation of mineral resourc
Jan 1, 1978
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Timing and Geodynamic Setting of the Late Palaeozoic Polymetallic Mineralisation in Chinese North-western Tianshan – Insights from Geochronology and Petrogenesis of GranitoidsBy L-B Fu and J Tan, J H. Wei, N Tian
"An EXTENDED ABSTRACT is available for download. A full-length paper was not prepared for this presentation. The Kendenggaoer-Kuokuqueke region lies in the western part of Chinese North-western Tiansh
Mar 18, 2015
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Residential Development of Former Quarry Areas on the Port Hills, ChristchurchThis paper focuses on two sites in the Mount Pleasant - McCormacks Bay area of Christchurch where residential development has taken place either within or immediately adjacent to former quarries for t
Jan 1, 1998
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Mineralisation and Alteration at El Pe±on Mine, Northern ChileThe El Pe±on gold-silver deposit comprises four epithermal, low-sulfidation veins, which contain 2.9 million oz Au and 48 million oz Ag. Provisional data on alteration mineralogy, fluid inclusions, an
Jan 1, 2002
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The Decoppering of Lead, Tin, and Bismuth by Stirring with Elemental SulphurExperimental investigations were made into the decoppering of lead, tin, and bismuth using a technique which approximates on the small scale to industrial practice.Decoppering lead with sulphur alone
Jan 1, 1971
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The CCRS SWIR Full Spectrum Imager: Mission to Nevada, June, 1995 (3fe24027-f897-4107-a465-802e38d7b0db)By Marois R, Hauff P, Kowalyczk P, Lipton G, Bedell R, Neville R, Edmundo G, Ehling M, Kern R
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 24
Jan 1, 1995
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The Effects of Environment on Bacterial Leaching RatesFurther evidence is presented as to the widespread occurrence of Thiobacillus ferrooxidans in nature in association with sulphide minerals. Leaching rates are discussed in terms of the effect of envir
Jan 1, 1968
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The Distribution of Cobalt in the Kalgoorie Nickel SmelterBy Elliot B. J
Cobalt is principally produced by hydrometallurgical means from the copper-cobalt ores of Zambia and Zaire. In addition cobalt is commonly found in minor quantities in association with nickel and c
Jan 1, 1989
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The Selenium Content of Some Australian Sulphide DepositsBy Carlos G. C
Geological mapping in various parts of Australia is revealing a number of regional associations of mineralizations with particular persistent stratigraphic horizons. Such associations have been found
Jan 1, 1954
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The Managalase Volcanic Field and Associated Mineral Occurrences, Papua New GuineaThe Managalase area is remote and little visited by geologists or prospectors. Yet it holds the key to the tectonics and petrology of this part of Papua. The eastern Managalase plateau (M, Figure 1) l
Jan 1, 1999
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Management of dilution and mining recovery to maximise valueBy R Urie
Dilution and loss of ore during the mining process invariably occur in all underground mining operations. This dilution and ore loss can have a significant effect on the performance and value generate
Mar 29, 2023
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Supergene Ore at the Girofla Mine MunganaThe Mungana group of mines, in the Chillagoe district, yielded 334,000 tons of ore giving 31,831 tons of lead, 7,907 tons of copper and 3,228,600 ounces of silver. The Girofla mine produced approximat
Jan 1, 1953