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Crystal Chemistry and Synthesis of Carbonate Apatites û Main Minerals in Living Organisms
Knowledge of the crystal chemistry of carbonate apatites is very important for the development of the concept of biomineralisation and the creation of a scientific base for new biocompatible materials
Jan 1, 2008
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Computer Assisted Ore Reserve Calculations at Western Mining Corporation Ltd's Kambalda Nickel Operations
By Reichman J. P
Extensive use is made of a small scale computer (IBM 1130), in the calculations of ore reserves for Western Mining Corporation's nickel mine at Kambalda, W.A. All surface drilling data such a
Jan 1, 1973
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A Geometallurgical Study of the Witwatersrand Gold Ore at Carletonville, South Africa
By D L. Reid, G Nwaila, J Petersen, J-P Franzidis, Y Ghorbani, M Becker, F C. de Beer, L C. Bam
Traditional methods of gold extraction have involved comminution and processing via cyanide leaching, all of which are associated with energy, cost and environmental implications. Subsequently, numero
Sep 29, 2013
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Gold Metallogeny of North-East Asia
By A C. Edwards
The Mesozoides of North-Eastern Asia represent a collage of exotic terranes which were accreted to the margins of the Siberian continent. In the Late Precambrian and Phanerozoic, the passive margin of
Jan 1, 1999
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The Flash-Point Test for Lead
IF lead be heated with concentrated sulphuric acid two distinct actions will usually be observed. In the first, bubbles begin to be evolved more or less rapidly from the lead, and in the second, which
Jan 1, 1930
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Effect of Dissolved Gas on the Force Between Silica and Glass in Aqueous Ocyadecyltrimetylammonium Chloride Solutions
By W A. Ducker, R-H Yoon, M Mao
Froth flotation relies on an attractive force between a particle and a bubble to selectively extract particles from a mixture. The range and magnitude of this attractive force is an area of ongoing in
Jan 1, 2005
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Selection of undrained shear strength parameters of residual soils and their application in stability analysis
By Y Xu, T Rowles, B Dareeju, A Dissanayake
Recent updates on tailings dam design guidelines require analysis of undrained (short-term) stability with the application of the SHANSEP model. The SHANSEP model, which was originally developed for a
Jul 1, 2021
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Impurity capacities of non-ferrous slags
By R G. Reddy
The complexity in treating environmentally harmful impurities such as As, Sb, Bi from the base metal matte or metal in the smelting stage are responsible for the high cost of the refining process. The
Aug 21, 2024
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The Frieda River Project – a Novel Approach to Analysing Exploration Drill Core: How Broken is Broken?
By D La Rosa, D Bennett
"Exploration drill core provides for a number of standard measurements essential for determining the viability of a new mine or the extension of an existing one. Rock lithology and alteration can be v
Jun 15, 2016
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Ground Support Design and Application for Developing in Pastefill at BHP Billiton – Cannington Mine
By J Li
Cannington Mine has been developing through paste backfilled stopes since the year 2000. These paste drives have been used as either production drill accesses or long-term bypasses. Prior to this stud
Mar 21, 2011
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Estimation of Regional Stress State and Young’s Modulus of Ground at Torigatayama Limestone Mine in Japan
By D Fukuda, K Kaneko, R Kudo, J Kodama, Y Fujii, T Sasaki
"Estimation of stress state as well as elastic modulus is important for the prediction of a rock slope deformation in an open pit mine since it can strongly influence the mining-induced deformation of
Nov 5, 2014
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Discovery of the Corunna Downs Deposits
By P J. Howard, P Darvall, J H. Mainwaring
In less than a year, Atlas Iron’s Corunna Downs Project has moved from a new discovery to a substantial resource of high quality in an underexplored greenstone belt. Located approximately 170 km south
Jul 13, 2015
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Boron removal through multistage refining treatment using CaO-SiO2- Al2O3 slag
By K L. Avarmaa, M A. Rhamdhani, A D. P Putera, H T. B M Petrus, G A. Brooks
Multistage slag treatment was carried out to investigate boron removal from metallurgical grade silicon. Boron is known to be one of the most difficult elements to remove from silicon. Depending on bo
Aug 21, 2024
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Grade Estimation from Radial Basis Functions – How Does it Compare with Conventional Geostatistical Estimation?
By P F. Hodkiewicz, J de Lacey, M Stewart, R Lane
"Implicit modelling is an approach to spatial modelling in which the distribution of a target variable is described by a unique mathematical function that is derived directly from the underlying data
Aug 18, 2014
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Reducing the Cost of Drill and Blast Tunnel Work by Use of Tunnel Operations Analysers
By Maidl B
A tunnel operations analyser is a new high technol- ogy instrument for use in underground work. By remotely sensing the acoustic emissions from operating machines and processes in a tunnel or shaft
Jan 1, 1987
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The Application of Finite Strain Consolidation Theory to the Design of Tailings Disposal Systems
By Williams P
The assumptions made in conventional (Terzaghi) consolidation theory are not met in a tailings deposit. Finite or large strain consolidation theory must be employed. The paper describes such a consoli
Jan 1, 1990
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The Evolution of Diamond Drilling Practices at Olympic Dam
By J Taylor, A Dubowik
To increase the efficiency and improve the quality of diamond drilling at Olympic Dam, mine geologists have adapted and modified common practices in order to overcome the challenges imposed by such a
Aug 18, 2014
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The Prevention and Control of Burning in Waste Coal Dumps (e814abc3-2b0b-49ff-8a5e-6cd3cf04acc7)
Indiscriminate surface disposal of coal waste in New South Wales has created a serious fire hazard and increased air pollution.A survey of numerous dumps, as well as particular investigations of one b
Jan 1, 1971
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A Simplified Creep Analysis for Low Strength Seams in Rock Pillars
By M Habte
This paper presents a simplified method for the assessment of creep deformations in rock masses containing bands of low strength or soil strength rock. The main impetus for this work was the need to a
Mar 8, 2011
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Comparison of Min/Max Autocorrelation Factors, Kriging, Co-kriging and Inverse Distance Block Totals – A Magnetite Hematite Case Study
By D Kentwell
For deposits where a full assay suite of elements/oxides is available and where several variables are critical to the evaluation of the deposit, it is desirable for the estimated block values of all e
Jul 13, 2015