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Revegetation of the Nagambie Gold Project
Revegetation at Perseverance Mining's Nagambie Gold Project is an excellent example of cost effective revegetation in the Central Victorian Goldfields. Work has centred on waste rock dumps, veget
Jan 1, 1992
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Small Scale Placer Mining
By James L. Noble
A small placer operation can be defined as one with a throughput capacity of 250 cubic yards an hour or less. The success of small placer operations after the values have been established, depend enti
Jan 1, 1992
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Mass Balances On A Spreadsheet
By R. J. Roman
The "mass balance" is unquestionably the most common class of problems for the process engineer'. Closely related, mathematically, is the "heat balance". Every laboratory test requires a mass bal
Jan 1, 1992
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Interaction of Carbonaceous Materials with Liquid Iron-Carbon Alloys
By Marcelo B. Mourao
Interactions of carbonaceous materials with liquid Fe-C melts have been investigated experimentally by determining the volatile yield due to rapid devolatilization (Flash Pyrolysis) and rates of disso
Jan 1, 1992
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Induction Galvanizing Innovations for the Strip Coating Industry
By Gerald K. Vellente
Producers of strip coated products are being approached by users to supply higher quality products and adhere to tighter specifications. Suppliers, in an attempt to assist the producers, must consider
Jan 1, 1992
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Separation Factors Of Rare Earths For D2EHPA And Ionquest In Various Diluents
By C. H. Quan
Solvent extraction tests were carried out on a rare earth chloride solution derived from monazite processing to determine the effect of extractant and diluent on the distribution coefficients between
Jan 1, 1992
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OFR-14-93 GIS Database For Colorado Springs, Colorado Abandoned Mine Land Study Area
As part of remote sensing research on an abandoned mine lands (AML) site in the Colorado Springs, Colorado area, a geographic information system (GIS) database was generated. This GIS database contain
Jan 1, 1992
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Environmental Legislation, Economic Growth And Risk In Minerals Development: The Bolivian Case
By William P. Blacutt
This paper examines Bolivia's General Environmental Bill recently passed by Congress: a multi-purpose law with two primary objectives: a) the protection and conservation of the environment, and b
Jan 1, 1992
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Strategic Objectives For The Optimal Utilization Of Planning And Or Systems Within Ruhrkohle AG - Networking of systems ? Introduction
By W. DR. Fritz
Technical progress depends on strategic objectives and a concept showing how to benefit from the effects of novel techniques in an innovation process and how to implement them creatively in harmony wi
Jan 1, 1992
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Finite Element Modeling of Mold Filling in Arbitrarily Shaped Molds
By A. S. Usmani
The flow associated with the pouring of molten metal into moulds has been modelled on the basis of certain simplifying assumptions. A finite element based Navier-Stokes equation solver has been used t
Jan 1, 1992
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Detector Responses to Both Fire and Non-Fire Contaminants
By Charles D. Litton, Margaret R. Egan
In order to reduce the number of nuisance fire alarms in underground mines that use diesel-powered equipment, the U.S. Bureau of Mines has developed a diesel-discriminating fire detector (DDD). It was
Jan 1, 1992
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Legal Aspects Of Site Assessment And Operational Audits
By Gail L. Achterman
Most mining companies today perform site assessments and operational or compliance audits regularly. The purpose of these audits is to review company facilities and operations to determine whether the
Jan 1, 1992
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History of the Development and Use of Bulk Loaded Explosives, from Black Powder to Emulsions (4e042d52-81d4-408b-9ff9-49bce6caf7ef)
By Robert B. Hopler
Emplacing explosives in the borehole by bulk methods is utilized today for about 35% of all of the explosives used in the United States. Although different from today's methods, some bulk emplacement
Jan 1, 1992
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RI 9433 - Rock Mechanics Investigations at the Lucky Friday Mine (In Three Parts)
By M. P. Board, J. K. Whyatt, T. J. Williams
The U.S. Bureau of Mines has been conducting a series of rock mechanics investigations at the Lucky Friday Mime in the Coeur d'Alene Mining District of northern Idaho. In the present study, the e
Jan 1, 1992
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Prediction of Burden Velocity in Bench Blasting
By Shih Wen Wang, Ronald R. Rollins
A blast casting model is proposed to predict the burden velocity in bench blasting. This blast casting model is the first theoretical model that 1) explains the throwing procedures and mechanisms, 2)
Jan 1, 1992
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Sedimentary Nickel, Zinc, and Platinum-group-element Mineralization in Devonian Black Shales at the Nick Property, Yukon, Canada: A New Deposit Type (5a14902e-8429-431a-b59c-0648d914fb37)
By Dogan Paktunc, Larry J. Hulbert, Robert C. Carne, D. Conrad Gregoire
A thin layer of stratiform Ni-Zn-PGE sulfide mineralization of sedimentary-diagenetic origin was deposited during the Middle to Upper Devonian in the euxinic "Nick basin". The mineralized unit (=3 cm
Jan 1, 1992
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Water, By-Products and the Environment
A Good Product Range - So What! While in terms of water, waste management and environment protectrion, the Gippsland Basin may appear to have a good product range, what does this really mean? What i
Jan 1, 1992
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OFR-22-92 Hydrogen In Reprocessed Metals And Alloys - Final Report For July 1, 1990 -June 30, 1991 - Background And Objective
One of the major unknowns in the use of iron and copper is the quantity of various low level impurities, particularly hydrogen, that may be introduced during the deoxidizing process prior to casting.
Jan 1, 1992
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Weak Claystone Floors And Their Implications To Pillar Design And Settlement (e297de16-ba6b-46bd-8383-22a15beca7b5)
By Ross W. Seedsman
The in situ behaviour of claystone floors associated with the Wallarah, Great Northern and Fassifem Seams has been studied using a comprehensive suite of stress and displacement monitors. The instrume
Jan 1, 1992
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Damage Prediction During Multi-Seam Mining
By C. Haycocks
Damage prediction during multi-seam mining is an essential precursor to optimizing mine design. Ground control problems associated with interaction are influenced by both fixed geological and site con
Jan 1, 1992