Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
The Epithermal Au and Porphyry Cu (Au) Relationship in the Western Pacific and Central EuropeBy J C. Carlile
Many low sulphidation epizonal gold and zinc-lead vein deposits within magmatic arcs are situated on basement highs, and post-date both the main volcanic episode and porphyry copper (gold) mineralisat
Jan 1, 1995
-
Study on Beneficiation Technology of a Refractory Fluorite Ore in North ChinaStudy on Beneficiation Technology of a Refractory Fluorite Ore in North China
Sep 13, 2010
-
-
A Petrographic and Oxygen Isotope Study of Banded Epithermal Veins from the Martha Hill Au-Ag Mine, Waihi, New ZealandBy G B. Arehart, J L. Mauk
Quartz veins from the Martha Hill epithermal gold-silver deposit, Waihi, commonly exhibit crustiform banded textures. Visual differences observed between bands are primarily the result of a 1 to 1500
Jan 1, 1995
-
Permeability of Coal in Relation to Gas Outburst and DrainageBy J D. St George
In this paper a laboratory investigation into the effect of confining stress, water content and gas desorption on coal permeability is presented. Of major significance is the effect of coal permeabili
Jan 1, 1998
-
Evolution of Cenozoic Oil- and Gas-Bearing Sedimentary Basins of Active Continental Margins: Northeastern Asia and Bering SeaThe sedimentary basins of this region developed in the collision zone of thePacific Ocean plate and the continent. Stresses were transmitted thorough wedge-like lithospheric blocks, such as the Okotsk
Jan 1, 1995
-
Gold Mineralisation at the Porgera Gold Mine, Papua New Guinea, in Response to Fluid MixingBy C A. Heinrich, J L. Walshe, V J. Wall
The Porgera Gold Mine, located in the highlands of Papua New Guinea, has produced over 5 million ounces of Au, since its opening in late 1990. The deposit is located within Upper Cretaceous Papuan Pla
Jan 1, 1995
-
Orogenic Gold Deposits in New Zealand - A New Wall PosterBy R L. Brathwaite
The orogenic gold deposits wall poster is one in a series of posters on different mineral deposit types being produced by GNS Science to raise awareness of the characteristics of New Zealand mineral d
Jan 1, 2005
-
How Are We Going to Produce Our Future Resource Professionals?The closure of the only professional mining school in New Zealand will mean that the minerals industry will have to explore other options to fill their mining professional positions. Globally mining i
Jan 1, 1997
-
An automatic sampling methodology to determine contractual particle size distribution in rapid train load out stationsBy S C. Labram, A Stabile
"Modern train load out stations are becoming faster and have the ability to load a 100 wagon train in less than three hours. At 70 metric tonnes per wagon, that is an average fill rate of 2333 t/h and
May 9, 2017
-
Enhancing the Flotability of Gold-Bearing Ores by a Mixture of CollectorsEnhancing the Flotability of Gold-Bearing Ores by a Mixture of Collectors
Sep 13, 2010
-
Investigation of the Classification Operation in a Coal Pulverising Vertical Spindle MillInvestigation of the Classification Operation in a Coal Pulverising Vertical Spindle Mill Coal pulverisation in power plants is a major electrical energy consumer. In 2006 more than 41 per cent of wo
Sep 13, 2010
-
Coarse Liberation and Recovery of Free Gold and Gold Sulfide Carriers for Energy Reduction in Process PlantsBy M Davies, G Theletsane, A H. Gray
Recovery of gold from gold ores has been driven by the available technology and its configuration in the process plant flow sheet.Conventional practice in test work programs has the ore being ground f
Sep 1, 2014
-
Optimisation of the Performance of Flotation Circuits Using a Genetic Algorithm Oriented by Process-Based RulesOptimisation of the Performance of Flotation Circuits Using a Genetic Algorithm Oriented by Process-Based Rules
Sep 13, 2010
-
An Assessment of Radioactivity Hazards at a Proposed Heavy Mineral Sand Mining SiteBy N E. Whitehead
An application to mine an ilmenite-rich sand deposit in Westland led to public concern about potential radioactive hazards should the ore be further processed to recover zircon or monazite. A review r
Jan 1, 1993
-
A Review and Rationalisation of Small Scale MiningAlthough small scale mining is regarded by many as of historical value only, this kind of mining activity is still much more widespread than is usually assumed. It has been estimated that it produces
Jan 1, 1990
-
Human Resources and Exploration Economics in a Developing Pacific RimA vital ingredient in ensuring that metals exploration companies, working in the developing countries of thePacific Rim, support the development of national geologists is making such a learning progra
Jan 1, 1995
-
Interpreting the Story of the Mining Landscape - Using Geotourism for Sustainable Community Development (cb7e1858-6c7d-4615-9ebd-70f3f9d5c5cc)Landscape interpretation, geology and mining history is being successfully used to explore options for sustainable community tourism product development. Recent work by the author in Europe and Austra
Jun 1, 2010
-
Resource Estimation and Grade Assignment - A Comparison Between Historical Production and Current Maxwell Mining Validation Case Study at Morning Star Gold Mine, Woods PointBy P Jackson, J Rea, M D. Goodz
The Morning Star Gold Mine has operated over a 101-year period, producing gold from narrow quartz veins and sulfide stockworks hosted mainly within a dioritic-gabbroic dyke. The deposit has been devel
Jan 1, 2008
-
Laboratory Studies in Comminution: Part VI The Specific Rate of Breakage for Rod and Ball Milling of QuartzBy P G. Hicks
The influence of feed size and pulp density on the specific rate ofbreakage of quartz was investigated. Plots of log fraction of feedremaining within the feed size interval against grinding time allow
Jan 1, 1998