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The Thames-Hauraki Pumping Plant at Thames, New ZealandTHIS paper proposes to give a general description of the pumping and other machinery in use at the Thames Hauraki Pumping Station, situated on the Thames goldfields of the North Island, New Zealand. A
Jan 1, 1912
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Effect of Pre-oxidation and Filtration on Cyanidation of Contaminated Gold from a Flotation Concentrate (677149c7-49e9-4819-8439-028f9085926e)By Sparrow GJ, Woodcock JT
A sample of pyrrhotite flotation concentrate pulp assaying 15.3 g/t An, which had been prepared from an old tailing dump, was treated to extract the gold. Examination of the concentrate with an SEM sh
Jan 1, 1990
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Brown Coal Resource Evaluation - A Case Study of the Loy Yang DepositBy Hibbert W. D, Lottrey A
The behaviour of coal in a process is a function of both the coal properties and the processing conditions. In the case of the Loy Yang coal deposit, extensive testing has been undertaken to determi
Jan 1, 1992
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Gold Placer Exploration Models: Inferences from Placers in the Waitaki River Catchment, South Island, New ZealandBy J Youngson
Gold placers can be difficult to locate in areas where tectonic activity and paleogeography have changed significantly since placer formation. Existing placer exploration models are useful in areas th
Jan 1, 1999
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Green Policies at Home and AbroadGreen policies have gained momentum since the 1972 Stockholm, Environment Conference. The environmental movement has influenced political initiatives both in New Zealand and abroad. Governments and in
Jan 1, 1990
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The Importance Properties of Hydraulic Fill, with Particular Reference to Mechanized Cut and Fill Mining OperationsEssential features of the role of the fill material in mechanized cut and fill mining are discussed, with particular emphasis on its dewatering and strength development after emplacement. The fill mat
Jan 1, 1966
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The Energy Equation-OilA forecast of energy demand in the non-commu- nist world to the year 1990 is presented with com- ments on the expected effectiveness of conservation efforts in achieving more efficient utilization of
Jan 1, 1978
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Breccias and Biofacies in Pliocene Sinter at Plumduff, NorthlandBy K A. Campbell, K A. Rodgers
The Plumduff sinter occurs at Whenuaroa, near Puhipuhi, approximately 30 km north of Whangarei. It is one of three residual sinters in the southern portion of a mid- to late-Pliocene geothermal system
Jan 1, 2001
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Reduction of Copper Sulphide with CO-cO2-He Gas Mixtures in the Presence of CaOBy Moinpour M
The kinetics of reduction of copper (cuprous) sulphide with CO-CO2-He gas mixtures, using an excess of CaO(s) as a sulphur-scavenging substance were investigated in the temperature range 855° - 9
Jan 1, 1989
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Mineralization at Aberfoyle Tin Mine Rossarden, TasmaniaBy Lyon R. J P
The quartz-cassiterite-wolfram veins at the Aberfoyle Tin Mine, north-eastern Tasmania, form a sheeted zone about 200 ft. wide and 1,600 ft. long in slightly contact metamorphosed shales, slates and g
Jan 1, 1957
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Longwall Mining at Huntly WestBy W Farnworth
The Huntly West Mine has undergone significant changes in the last two years, which will affect the remainder of the mine's life. The paper describes the evolvement of plans and an overview of th
Jan 1, 1991
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Deformation of Single Crystals of Lead Part III - Effect of Various Factors on the Creep Rate Part IIIIn spite of the many contributions that have been made to our knowledge of the creep properties of polycrystalline lead, the precise influence of various factors on these properties is not yet fully u
Jan 1, 1940
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A Portable Vaccum Pump and Buchner Filter for Stream Sediment SamplingCollecting the clay fraction of active stream sediment from a flowing stream for geochemical analysis i a difficult process. One either takes a sample of dry fine-grained sediment from the stream bank
Jan 1, 1969
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An Automatic Dust SamplerA device is described which is suitable for the automatic sampling of dust in dust laden flue gases. This device, called a Venturi Sampler, consists of two pipes each fitted with a suitably designed v
Jan 1, 1959
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Mixing of Mineral SlurriesRecent literature is reviewed with emphasis on the design and scale up of mixers. Most important aspects of mixing have resulted from the study of Newtonian fluids and only a minor attempt has been ma
Jan 1, 1961
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Distinguishing Intrusion-Related from Orogenic Gold SystemsBy R J. Goldfarb
Reduced intrusion-related gold deposits have become a new, low-grade, large-tonnage exploration target during the last decade. The best recognized examples of such deposits are recognized throughout t
Jan 1, 2005
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Development of Underground Gold Processing PlantsDevelopment of Underground Gold Processing Plants Underground gold processing plants have potential advantages over traditional surface installations related to a smaller environmental footprint, red
Sep 13, 2010
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Understanding Epithermal Ore Deposits from New Zealand Geothermal SystemsBy P R. L Browne
Study of geothermal systems in the Taupo Volcanic Zone (TVZ) has significantly advanced our understanding of the processes of epithermal mineralisation. The three main lessons learnt are:
Jan 1, 1997
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A Model for the Intrusive Sequence and Cu-Zn Skarn Formation at the Antamina Deposit, PeruBy Z Chang, S A. Mrozek
"An EXTENDED ABSTRACT is available for download. A full-length paper was not prepared for this presentation. Antamina, Peru is the largest Cu-Zn skarn deposit in the world. Skarn mineralisation is foc
Mar 18, 2015
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The Future of Mining on Pitjantjatjara LandsIn 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