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The Estimation of Gold and Tin Alluvials in Malaya
The presence of gold or tin in a particular place in payable quantities may be suspected from geological and prospE;cting reports. It behoves the engineer by judiciously spaced boreholes or pits to es
Jan 1, 1942
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Analysis of Heavy Mineral Sands by Quantitative X-Ray Powder Diffraction and Mineral Liberation Analyser û Implications for Process Control
By S M. C Verryn, K Deysel
In heavy mineral sands ilmenite, rutile and zircon are present in economic concentrations. These minerals are important sources of Fe, Ti and Zr for various industrial uses. The beach sands of norther
Jan 1, 2008
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A Geological Structural Assessment at Appin Colliery with Reference to Roof Failure and Directional Mining
At Appin colliery, geological structural analyses and investigations of roof conditions suggest roof failure may be attributed to vectorial stresses acting on underground openings, and inducing moveme
Jan 1, 1970
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The Blackwater Mine at Waiuta - Exploration Options
The Reefton Goldfield on the West Coast of the South Island of New Zealand was a significant gold producing area between 1860 and 1951. During this period it produced approximately 2.1 million ounces
Jan 1, 1992
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Boring at the State Coal Mine, Wonthaggi, Vic
The seams of black coal occurring in Victoria are so disturbed by faulting, wash-outs, thinning, etc., that it is necessary, for the prevention of costly errors in development, that close boring be un
Jan 1, 1936
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A Brief History of Filtering Practive at Risdon
Filtration of pulps of varying densities is an essential operation in the hydro-metallurgical production of zinc. The use of filters naturally applies only to the "wet" plants, and in these
Jan 1, 1949
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Mixing Requirements for Resin-in-Pulp and Resin-in-Leach
There are available today many various types of mixing systems, tank types and process liquors confronting the process designer of gold adsorption circuits. This short paper is to give the process des
Jan 1, 2007
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Science Technology and the Mineral Industry Mines and Universities û A Vital Link
Engineering education has become a matter of national concern, at last, so I would like to talk about the links between the mining industry, the universities and technological developments. The Austra
Jan 1, 1989
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Geoscience input into blasting operations – let’s set a new standard
By T N. Little
The author contends that geoscience is presently under-utilised in the rock fragmentation by blasting process. Before we can set standards in this area, the following is required: mine geologists need
Sep 20, 2017
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Managing Mine Closure Risks in Developing Communities ù A Case Study, Kelian Equatorial Mining, Indonesia
The Kelian gold mine which was developed in East Kalimantan Indonesia in 1990 - 1992 is scheduled to complete mining and processing operations in 2004. This will have a major impact on the neighbourin
Jan 1, 2003
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A Three-Dimensional Section Through the Otago Schist, New Zealand
By D Craw
Formation of gold-bearing veins in Otago Schist was intimately linked to the structural evolution of the schist belt. The currently-exploited Macraes gold deposit formed in a regional scale shear zone
Jan 1, 2001
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Cave Propagation and Open Pit Interaction at the Ernest Henry Mine
By E Ah Mu and C R Lilley, A D. Campbell
Cave propagation is a complex process due to interacting variables such as mine geometry, rock mass heterogeneity and complex structural networks and stress fields. The Ernest Henry sublevel cave (SLC
May 9, 2016
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The Products of Boiling Hydrothermal Fluids in the Golden Cross Epithermal Deposit
By M P. Simpson, J L. Mauk
The Golden Cross, low-sulfidation, epithermal deposit shows a number of features that are directly or indirectly related to boiling hydrothermal fluids. Occurrences of lattice calcite and their quartz
Jan 1, 2000
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Some Observations on the Mineralogy and Paragenesis of the Crocidolite Veins at Wittenoom Gorge, W.A.
W. Johnson (Consultant, Adelaide) : Is there any mineralogical evidence of temperature of formation of the amphiboles and other minerals present in the crocidolite veins and country rocks7.N. A. Truem
Jan 1, 1963
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The use of drill core blends to predict sintering performance
By G Siboni, A Correa De Araujo, M Gotelip Barbosa, M J. Venturini
In support of the development of its Liberian iron ore project, ArcelorMittal Mining Research and Development (AM Mining R&D) has performed characterisation and beneficiation test work on drill co
Jul 24, 2017
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Geometric Control for Strategic Mine Planning at El Teniente Mine
By J Cornejo, A Pinochet, C Caviedes
The ore extraction rate and the incorporation of new areas are key operational parameters. In massive deposits mined by caving techniques they both control the cave back geometry, which is mostly resp
May 9, 2016
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Concentration Practice in the Australian Beach Sand Industry
Beaches contain the residue of eroded rocks which have resisted weathering, and it is common to find in all beaches some of the harder, heavy minerals. The natural sorting action of waves and winds te
Jan 1, 1950
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On the Use of Dry Pulp Duplicates in Quality Assurance/Quality Control - A New Tool of the Trade
Same-batch and non-blind as well as blind pulp duplicates are often submitted as quality assurance/quality control (QA/QC) control samples to a routine laboratory along with routine assays (and other
Jan 1, 2008
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Timing of Epithermal Activity in the Horohoro-Matahana Basin Area, Taupo Volcanic Zone
By P J. B Fransen
Several spatially and/or temporally distinct phases of epithermal activity can be recognised in the Horohoro-Matahana Basin area of the Taupo Volcanic Zone. In the northern Matahana Basin a 140 - 350
Jan 1, 1991
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Various Interpretations of Coal Petrographic Nomenclature and their Effects on Maceral Analyses
The commonly used Stopes-Heerlen coal petrographic classification and nomenclature has over the years been subject to variable interpretations. This paper discusses the problem with specific reference
Jan 1, 1970