Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
Past and Future Trends for Gold in New Zealand
As in other countries, gold mining inNew Zealand has been cyclic in character. Looking at these cycles may provide insights as to what may occur in the future and that is the basis for this study. &nb
Jan 1, 1994
-
Size Separation Pretreatment and Alumina Recovery from Bayer Red Mud
Size Separation Pretreatment and Alumina Recovery from Bayer Red Mud
Sep 13, 2010
-
Alluvial Iron Deposits Exploration using Surface Processes Modelling - A Case Study in the Hamersley Province (Western Australia)
By T Salles, G Duclaux, E R. Ramanaidou
In a continental environment, sediment mobilisation, dispersion and deposition are mainly controlled by mass gravity and streamflow processes. Alluvial sedimentary systems have an important economic v
Aug 12, 2013
-
Analytical Approach for Stability Analysis of Rock Wedges with Soil-Infilled Joints Formed in a Tunnel Roo
By D Oliveira
The use of an equivalent continuum for a rock mass is not always suitable for situations where the failure is structurally controlled by discontinuities as in the case of wedges in the tunnel roof. In
Mar 8, 2011
-
Long Rockbolt Support at New Broken Hill Consolidated Limited
Stope back conditions in the cut-and-fill stopes at New Broken Hill Consolidated Limited often deteriorate to such an extent that, because conventional rockbolts are not able to maintain safe working
Jan 1, 1974
-
Acid Processes for Alumina Extraction
The C.S.I.R.O. acid alumina process employs the essential steps of digestion, hydrolysis and calcination to produce pure alumina from ores too high in silica or too low in grade for the Bayer process.
Jan 1, 1964
-
WAD Cynoprobe - A Case Study for the Development of an Online Weak Acid Dissociable (WAD) Cyanide Measurement Device
By P Lotz
With the recent increase in environmental awareness, gold mining companies are fast becoming signatories of the International Cyanide Management Code (ICMI, 2007). The objective of the Code is to impr
Jan 1, 2007
-
Beyond Rock Mass Characterisation – the Impact of Geology on Block Cave Mining
By A Webster, T Murphy
Block cave mining, in its broadest sense, has transitioned from an orebody/rock mass determined method of extraction, to a low-cost and high production mining method that may be applied to any large o
May 9, 2016
-
Geology of the Broken Hill Lode
By Matters, R T, Coldham, Slee, J C, R J, Wallman
The Committee desires to thank the managers of the various mines along the line of lode for their hearty co-operation in its labours. It would also extend thanks to Messrs J C Moulden, Howchin, Twelve
Jan 1, 1910
-
The Effect of Sulphide and Lead on the Rate of Cold Cyanidation
By Tumilty JA, Schmidt CG
Sulphide ion is a powerful poison in gold cyanidation, however, the detrimental effect is less severe in plant practice. This is thought to be due to the presence of depassivating elements in the o
Jan 1, 1989
-
FlowSim – A Versatile Flow Simulation Tool to Quantify Extraction and Design Alternatives for Block Caving
By A Hekmat, M Fuentes, F Armijo, R Castro, F Rodriguez
Interpreting the behaviour of granular material and simulating the gravity flow are complex processes in cave mining methods. In this paper, a new Cellular Automata based code – FlowSim – is used as a
May 9, 2016
-
Mount Bischoff Extended Tin Mining Co., Waratah, Tasmania
During August, 1926, with the consent of Mr. Schell, mine manager, the writer conducted a mill test on this company's concentrators. Mr. Schell not only gave him his permission, but rendered all
Jan 1, 1928
-
Permeability of Coal in Relation to Gas Outburst and Drainage
By 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
-
Wire Netting Paddocking in Stopes-Broken Hill South Limited
In the extraction of level bridge pillars in the South Mine by square-setting methods the general practice is to work transversely from the hanging wall in narrow sections three or four sets wide to t
Jan 1, 1942
-
Some Key Facts and Concepts in the Evolution of Sampling and Assaying Practices at Codelco
Incorrect sampling and measurement operations and misunderstanding the components of variability can cause huge economic losses to the mining industry. The main objective of this paper is to illustrat
Jan 1, 2008
-
An Application of Statistics to the Chemical Recognition of Nickel Gossans in the Yilgarn Block, Western Australia
Principal component analysis of the variation of Cu, Ni, Zn, Pb, Mn, and Cr in a control group of 96 samples of surface ironstone from the Yilgarn Block, Western Australia, was used to derive a simple
Jan 1, 1974
-
Experiments on High Efficiency Separation of Mixed Plastic Wastes by Vortex-Tube Separator
Experiments on High Efficiency Separation of Mixed Plastic Wastes by Vortex-Tube Separator
Sep 13, 2010
-
Australian Iron and Steel Ltd.
This modern plant consists of a battery of 72 Otto Wilputte Compound Under-jet Ovens with extensive plant for the recovery by-products. The ovens produce 9000 tons of furnace coke per week together wi
Jan 1, 1938
-
Wellington Gold (A Brief Review of the Gold Mining History of the Wellington District, New Zealand)
Alluvial gold was found in the Terawhiti area, West of Wellington, in the 1850s. This led to the discovery of reef gold. Periods of minor 'gold fever', company flotations, and mining activit
Jan 1, 1993
-
The Treatment of Silicosis by Aluminum Powder
By Blaisdell J. L, MacPherson G
The present communication records the results of a research investigation conducted in the Porcupine Gold Mines in Timmins, Onto. Soon after silicosis became a compansable disease in Ontario under the
Jan 1, 1945