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@article{osti_6320716, title = {Accounting for reclamation in the extractive industry}, author = {Johnson, G. and Munter, P.}, abstractNote = {A proposed accounting treatment would make variations in reported reclamation costs by companies in the coal industry more consistent and in accordance with the economic substance of the reclamation obligation.
Blasting injuries in surface mining with emphasis on flyrock and blast area security Abstract Problem: Blasting is a hazardous component of surface mining. Serious injuries and fatalities result from improper judgement or practice during rock blasting.
Basalt Crushing Plant Basalt Crushing Process Line for Sale. In fact, a complete basalt crushing process line includes several kinds of basalt crusher machines. let me give you a detailed description of the processing line. First stage: coarsely crushing. The .
Dec 20, 2013· Report submitted to Newmont Mining Corporation. Frimpong, Eric Asa and Joseph Szymanski, "Intelligent Modeling: Advances in Open Pit Mine Design and Optimization", International Journal of Surface Mining, Reclamation and .
Publication Series: Scientific Journal (JRNL) ... We recommend mowing for hastening the re-establishment of grasses following surface mining in grassland regions. ... the Southern Research Station (SRS) will no longer produce and distribute hard copies of our publications. Many SRS publications are available at cost via the Government ...
COST ESTIMATION FOR OPEN PIT MINES: TACKLING COST UNCERTAINTIES ... Stebbins S A., Leinart J B: Cost Estimating for Surface Mines, Chapter 4.9, published in SME Mining Engineering Handbook, pp.281 ...
Strategic and tactical mine plans are used to provide a long-term production vision and the resource requirements for meeting specific periodic mine and plant capacities. The schedule and sequence of material movement must respond quickly to changing technical, safety and economic constraints within the surface mining environment.
The cost of hard rock surface mining could be stated as the overall cost per ton of the rock mined and assessed based on the regression model of the overall cost per tonne of rock mined fit on the rockmass and mining design variations of hard rock surface mining in drilling, blasting, haulage and primary crushing illustrated on (1). (1)
In Senegal, rock mechanic studies began in last four years and were a very new engineering domain. So, the first stage is to characterize geological materials. It is on this way that this work is done. This paper analyzes geomechanical parameters of sandstones of Dindifélo and basalt of Bafoundou belonging to the Proterozoic rocks domain of eastern Senegal.
In surface mining operations, ultra-heavy trucks operate on haul road networks which are typically from 10�40 km in length. These road networks are often not optimally designed and maintained and as a result, identifying and remediating road functional defects is problematic. Most surface mine operators agree good roads are desirable, but find it difficult to translate this into an ...
International Journal of Mining Science and Technology 25 (2015) 355–360 ... simplicity, portability, low cost and non-destructiveness. The Schmidt hammer was originally ... through plastic ...
A variety of surface mining methods has been developed, including strip mining, auger, area strip, open pit, dredging, and hydraulic. Sound planning and design techniques are essential to implement alternatives to meet the myriad of laws, regulations, and mining and visual resource objectives.
@article{osti_6521749, title = {Bureau of mines cost estimating system handbook (in two parts). 1. Surface and underground mining}, author = {Not Available}, abstractNote = {The handbook provides a convenient costing procedure based on the summation of the costs for unit processes required in any particular mining or mineral processing operation.
SURFACE MINE BLASTING Proceedings: Bureau of Mines Technology Transfer Seminar, Chicago, IL, April 15, 1987 Compiled by Staff, Bureau of Mines ABSTRACT The Bureau of Mines has sponsored a comprehensive research program to enhance the safe, effective, and efficient use of blasting technology by the mining industry.
A dedicated publication, the Maine Mining Journal was published starting in 1880. Although the boom was partially an economic bubble, some mines such as the Douglass Copper Mine in Blue Hill produced viable quantities of copper and continued to do so until 1918 under the control of the American Smelting and Mining Company.
conveyor or hydraulic transport in mines. The most common transportation method in surface mining is classic truck and shovel combination. This operation almost consists about 50 to 60% of total operating costs in surface mining. It is necessary to use shovel truck combination efficiently for improving economy in the mining sector.
BENCHMARKING THE ENERGY CONSUMPTION OF CANADIAN OPEN-PIT MINES 2 METHODOLOGY The total energy costs for open-pit mining operations for the nine operations were compared. These energy costs were, in turn, subdivided into two components: $/kWhe and kWhe/kilotonne of ore mined.
The main advantage of the new stemming method is the reduction in the cost of blasting. At a basalt quarry, blasting costs per unit volume of rock were reduced to 15% by increasing burden and spacing distances. In addition, better fragmentation was obtained by using the plaster stemming method.
The desired economics of hard rock surface mining is mainly determined by the parameters of process design which minimize the overall cost per tonne of the rock mined in drilling, blasting, handling and primary crushing in given rockmass conditions. The most effective parameters of process design could be established based on the regression models of the cumulative influence of rockmass and ...
The influence of microwave irradiation on rocks for microwave-assisted underground excavation. ... The model computed the maximum power loss density at the surface of basalt sample where it was irradiated by microwaves. Download : ... International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 11 (1) (1974), pp. 81-89.
Jun 10, 2016· Researchers working in Iceland say they have discovered a new way to trap the greenhouse gas carbon dioxide (CO 2) deep underground: by changing it .
Oct 20, 2014· The main advantage of the new stemming method is the reduction in the cost of blasting. At a basalt quarry, blasting costs per unit volume of rock were reduced to 15% by increasing burden and spacing distances. In addition, better fragmentation was obtained by using the plaster stemming method.
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does not certify that the paper has been accepted for publication in the named jour-nal. INFORMS journal templates are for the exclusive purpose of submitting to an INFORMS journal and should not be used to distribute the papers in print or online or to submit the papers to another publication. Equipment Selection for Surface Mining: A Review
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