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Several years of favourable Mine to Mill reconciliation data from the mining and processing of higher grade and lower grade stockwork styles of gold mineralisation provided the confidence in the approach to grade control to support the expansion plans during a period of low gold prices.The paper is intended to complement the discussion of ...
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Mine-mill reconciliation is the term applied to the area of comparing, balancing and adjusting production estimates between mine and mill for consistency in reporting, and this thesis seeks to evaluate the concerns in this area and to …
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By using the factors it is possible to calculate a monetary value on improvements in the accuracy of orebody knowledge, selectivity and the effects of dilution and ore loss. Reconciliation should be an implicit part of the mining process, and reconciliation targets should be a key performance indicator for well run mines. Keywords:
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Mine Geology, Grade Control, and Reconciliation. Optimize mine planning and profitability by understanding the geological controls on orebodies. An appreciation of the geological spatial controls to mineralization is fundamental to mine operation optimization, near-mine exploration, resource estimation, geotechnical engineering, and mineral ...
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MineSense is a pioneer in digital mining solutions, supplying real-time, sensor- based ore sorting for mines. Our signature solution is ShovelSense, a robust sensor installed on mining equipment to scan and measure the grade of the material in every shovel and bucket.
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Reconciliation is carried out by most of the world's mining companies and is based on the calculation of the so-called "mine call factor" (MCF). The MCF represents the ratio between the grade, contained metal or mass of produced ore with the grade, contained metal or mass of ore estimated by the resource models.
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The mine-mill data was collected on a shift basis. The data was examined carefully using process knowledge and exploratory data analysis techniques to detect and eliminate errors. Ultimately, two years of data (2013-2014) was selected for further analysis.
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Mine to Mill – Grade Control and Mine Reconciliation 3-days Reconciliation – getting it right the first time 1-day Resource Estimation and Evaluation 5-days Advanced Resource Estimation 5-days Recoverable Resource 2-days Corporate Compliance in Resource and Reserve Reporting for the Australian Market 1-day
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Helping responsible executives, resource planners and technical directors accurately with mine to mill reconciliation, adhere to reporting requirements of all stock exchanges including JSE, ASX, LSX & NYSE as well as other key compliance requirements.
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A definite consequence of the former is the haulage of misclassified ore to waste dumps or waste to the mill. 5. Practical and Theoretical Approaches to Reconciliation. Years of practice have yielded various means of conducting ore grade reconciliation in a typical mine. The variety of techniques to reconciliation include [4, 6, 9, 10]: i.
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Metallurgical Reconciliation • Mine to Mill Reconciliation – comparing the mine reports to the tonnes, grade and metal processed by the mill • Mill to Sales Reconciliation – which matches the mill metal production reports to the sales results in a specific period of time. • Metallurgical Balance: Metal grade in Plant Feed = Final
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• By process (short range to long range model, mill to mine production) A combination of the above methods may provide the best fit for an operation. Any reconciliation program is recommended to be based upon clear concise goals. Reconciliation methods should be specifically adapted to handle the unique problems that occur at each operation.
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Prepared of reports on weekly and monthly mine to mill reconciliation, and production schedule. Planned and prepared of underground drilling patterns for ore definition and stope design programs. Prepared of samples to assay laboratory, and management of turnaround time for effective operation.
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Over the same 26 month period, the Mine to Mill reconciliation improved to one per cent lower than the CHG. Granulometric analysis of the RC samples collected from the PGX indicated the fines material( 212 m) averaged up to 22 per cent of the samples mass and following assay determination, the fines material represented a weighted average of 31 ...
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Pitard, F. F. (2001). "A Strategy to Minimise Ore Grade Reconciliation Problems between the Mine and the Mill", in Mineral Resource and Ore Reserve Estimation – The AusIMM Guide to Good Practice, Edwards, A. C. (ed.), The Australasian Institute of Mining and Metallurgy (The AusIMM), Melbourne, pp. 557-566.
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• Executed mine adherence and mine-to-mill reconciliation process • Built relationship with short-term… • Responsible for the mineral reserves at Vale's South Atlantic Nickel Operations, including the Life-of-Mine, five years and annual mine planning • Provided mine design plans for budget definition
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the mill. 5. Practical and Theoretical Approaches to Reconciliation Years of practice have yielded various means of conducting ore grade reconciliation in a typical mine. The variety of techniques to reconciliation include [4,6,9,10]: i. Depletion by mining; ii. Reconciliation of resources with grade control; iii.
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You are highly experienced with applying industry standard grade control, QA/QC, model-mine-mill reconciliation, sampling and drilling practices ; You are experienced in applying project management processes, specifically the management of drilling programmes ; You are proficient in using Vulcan and Leapfrog, or similar software packages
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Platinum Group Metals: Applying Best Practices in Metal Production Accounting and Reconciliation. Even if a mine can accurately estimate expected production at the grade control level (in-situ), issues such as blast movement, poor mining practice and inefficient ore/waste classification make for a disconnect between the in-situ figure and estimates from the …
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There is reliance upon reconciliation factors such as the mine call factor, shaft call factor, etc. as a means for prediction of future mine-mill estimate discrepancies. The use and abuse (i.e., unjustified adjustment) of factors in reconciliation such as moisture content, truck/loader factors, densities, etc. is common.
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Reconciliation should be an implicit part of the mining process, and reconciliation targets should be a key performance indicator for well run mines. Keywords: Reconciliation, Tonnage, Grade, Contained metal data, Factors, Ratios Introduction This paper is an extension to Parker (2006) and builds on over 25 years of practical reconciliation ...
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Ore reserve to mill reconciliation reports (and any external reviews); Life-of-mine plans including production and cost schedules and supporting information, including stope, pit and development design strings; Current year budget documents, budgets for the coming year and three or five year plans or similar;
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What is meant by data reconciliation? Data reconciliation through mass balancing is the specific means by which infor-mation is made useful and functional. In the mine environ-ment, sensors and instrumentation are rationalized in a man-ner so as to generate minimum levels of data redundancy. This enables mathematical improvement of data ...
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Lucky Friday is a deep underground silver, lead, and zinc mine located in the Coeur d'Alene Mining District in northern Idaho. The mine began operating in 1942 and celebrated its 75th anniversary in 2017. Thanks to the #4 Shaft project which is now complete and operational, the mine is expected to have another 20-30 years … Continue reading Lucky Friday Mullan, Idaho »
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