Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Financial Assurance for Mine Closure - A New Zealand Perspective
A variety of environmental financial assurance instruments are in use across the globe. This paper reviews some of the more common forms currently used in New Zealand, Canada, USA and Australia. In or
Jan 1, 2006
-
Sulphide Oxidizing Bacteria of Copper Porphyry Ore
By Ralph B. J, Sadler W. R
Thiobacillus ferrooxidans was shown to catalyse biodegradation of chalcopyrite concentrates. The process was growth associated at normal temperatures (30°C) in dilute acid solution (pH2, H2SO4) i
Jan 1, 1981
-
Improvements in estimating strengths of loose tailings: results from the TAILLIQ research project
By D Reid, J Vinod, M Rahman, A Fourie, T Vo, J Ayala, A Russell
This paper reports on an industry and Australian Research Council funded research project, TAILLIQ, that is a joint initiative between four Australian Universities. The paper discusses the accuracy wi
Jul 1, 2021
-
Flotation of Some Uranium Minerals
The recovery by flotation of some complex uranium minerals such as brannerite and davidite is described. Anionic reagents used for flotation of iron and titanium oxides' are suitable. If care is
Jan 1, 1955
-
The Solvent Extraction of Uranium from Slurries
A great range of contacting equipment is used in solvent extraction. However, a tower filled with a regular packing offers many advantages in the direct extraction from slurries. A study was made of
Jan 1, 1969
-
Enterprise Optimisation
Enterprise Optimisation is a methodology for increasing the value of mining and mineral processing operations through better long-term planning decisions. It involves a combination of ten mechanisms w
Dec 6, 2010
-
Truck Haulage Developments in the 80's
A brief history of the significant haulage truck feature changes and the factors that influenced those changes during the 60's and 70's provide a basis for forecasting the changes that ca
Jan 1, 1982
-
Golden Cross Mine - Mining and Processing Operations - Waihi, New Zealand
The Golden Cross mine is a Joint Venture between Coeur Gold New Zealand Limited, as Manager, and Viking Mining Limited. The mine is targeting Zero Lost Time Accidents as a goal. The Golden Cros
Jan 1, 1995
-
Arsenic Mobility During Vegetation of Gold Mine Tailings
By D Craw, C Smith, C Rufaut
Oceana Gold (NZ) LtdÆs, Macraes Gold Operation currently has two tailings impoundments, the larger of which covers approximately 75 ha. When an impoundment is temporarily out of use, the surface dries
Jan 1, 2004
-
Reason Analysis of Impurity Containing and Technology Discussion of Quality Improvement for Low-Quality Iron Concentrate
Reason Analysis of Impurity Containing and Technology Discussion of Quality Improvement for Low-Quality Iron Concentrate
Sep 13, 2010
-
Towards integration of pyro- and hydrometallurgical unit operations for efficient recovery of battery metals from waste lithium-ion batteries
By J Zhang, L Klemettinen, A Jokilaakso, J Biswas, J Partinen, H O’Brien, A Klemettinen
Waste lithium-ion batteries (LIBs) are important secondary sources of many valuable materials, including Critical Raw Materials (CRMs) defined by the European Union (EU): lithium, cobalt, manganese, a
Jun 19, 2024
-
Geotechnical Challenges for Underground Commercial Space and Quarrying in Australia
By A B. Bayooke, A C. Robertson
In terms of underground tunnelling in metres advance per capita, Australasia compares well with the best world performers. This is because of the large number of metalliferous mines, coalmines and civ
Nov 5, 2014
-
The Use of the Eldomet for Anode Casting
By Robertson K. S, Hunter T. C
AEG-Elotherm's electromagnetic dosing channel, or Eldomet, is a recent invention enabling the transport and metering of molten metals. The development of a reliable refract- ory lining, and the
Jan 1, 1974
-
The Human Side of Engineering
THIS has been a much-neglected branch of engineering. With the majority of industries labour is the chief item of trouble and expense. Anything that will reduce trouble and increase efficiency is well
Jan 1, 1918
-
Ventilation considerations and modelling of lithium battery fires inunderground mining
By C M. Stewart
Lithium battery electric powered vehicles and machines (BEVs) continue to gain traction inunderground mining use, with predictions they will dominate the underground light and heavy vehicle fleets for
Oct 12, 2022
-
Mineral Resources Work at the Institute of Geological and Nuclear Sciences
By A B. Christie
The Institute of Geological and Nuclear Sciences' Mineral Resources Programme is currently carrying out research under two major projects: HAREM (Hauraki Andesite Rhyolite Epithennal Miner
Jan 1, 1994
-
Findings from a transient electromagnetic trial for heat-affected coal
By H J. Stedman
A Transient Electromagnetic (TEM) geophysical survey was trialled in Bowen Basin Permian coal measures overprinted by Cretaceous intrusion. The trial’s intention was to compare whether TEM could asses
Sep 20, 2017
-
The Measurement of Rock Stress for Tunnelling
By I Gray
While in some cases it is vitally important to measure the virgin stress in rock prior to tunnelling there are a number of cases where such stress measurement is really not required. The concept of ha
Sep 17, 2014
-
Application of Gold Fineness to the Search for Ore
It has been fairly firmly established (Fisher, N. H., 1945) that the fineness of the gold in any ore deposit varies with the depth from the surface at which the deposit was formed, and, as a corollary
Jan 1, 1950
-
Electric Rope Shovels Versus Diesel Powered Hydraulic Excavators
By M Johnson, M Horrigan
The scope of this report is to examine the aforementioned hypothesis by performing a detailed analytical comparison of a P&H electric rope shovel to an O&K diesel powered hydraulic excavator. In order
Jan 1, 2002