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reserve estimation by the triangle method mining

  • Establishing the feasibility of your proposed mining venture

    Reserve estimates The reserve estimate gives an indication of the viability of the mineral resource Calculation of the reserves will depend on the mining method including an estimate on dilution and extraction mineral processing concepts including cut off grade overall recovery and expected capital and operating costs Geotechnical Geotechnical studies require the same basic data for both

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  • Examples of Estimating Costs in Project Management

    05.11.2009  Delivering projects on budget will always be a key success factor for a Project Manager The Estimate Costs process in the Project Cost Management knowledge area is critical to delivering a project on budget In this article examples of Analogous Estimating Resource Cost Rates and Bottom up Estimating are provided This is a key concept for your PMP preparation.

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  • Crystal Lake Mining Provides an Update on Designed

    reserves Although the historical estimates are believed to be based on reasonable assumptions automatically analyzed by ore grade method ICF 6 Crystal Lake Mining conducts its own QA/QC program where three standard reference material pulps two blank reference material samples are inserted for every 100 samples when analyzing rock samples About Crystal Lake Mining Crystal Lake Mining

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  • triangular method

    A method of ore reserve estimation based on the assumption that a linear relationship exists between grade difference and the distance between all drill holes Krumlauf Source Dictionary of Mining Mineral and Related Terms

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  • The 5 Best Project Management Estimation Techniques

    16.04.2020  This project estimation method works well when a project is at an early stage or where there are many unknowns It can be useful for providing a projection to determine viability or to start the initial scoping Top down estimation also offers the ability to be more or less precise with project estimation This makes the approach better suited to different needs than other project estimation

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  • IFRS and the mining industry

    involves significant estimation complexities for mining companies It also applies to joint venture interests and equity accounted investments IAS 36 sets out significantly different guidance on identifying an asset that may be impaired and the measurement of impairment Impairment is recognized under GAAP if an asset or group of assets carrying amount exceeds the undiscounted cash flows

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  • Basics of Loss Development Triangles

    20.02.2017  All of these triangles allow the actuary and the captive s board members to get a picture of trends in claims For example using the loss development triangle above you ll note the losses reported annually have declined over time from 404 in accident year 2008 to 122 in accident year 2016 at 12 months The board member is going to want to know whether this decline is due to better risk

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  • Mineral Resource Reporting

    01.09.2016  After applying mining parameters such as cut off grade minimum thickness of the ore body maximum thickness of the waste and minimum grade per mining unit the mineralized material is classified as fully explored and ready for mining development an evaluated and prognostic reserve Every geological and technical economic report with resources or reserves is reviewed by a technical

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  • Edge Based Wedge Sampling to Estimate Triangle Counts in

    21.11.2017  The number of triangles in a graph is useful to deduce a plethora of important features of the network that the graph is modeling However finding the exact value of this number is computationally expensive Hence a number of approximation algorithms based on random sampling of edges or wedges adjacent edge pairs have been proposed for estimating this value We argue that

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  • BLOCK MODEL KNOWLEDGE FOR MINING ENGINEERS AN

    Scotiabank Mining Conference panel discussion on the topic of the failings of NI 43 101 reports What we typically see where it falls apart project value is the block model We just say give us your data it usually fails right there The extrapolation that they re using for their reserves and resources is probably completely out of whack relative to the geostatistical information or

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  • Appendix C Cost Estimating Methodologies

    estimating method used will depend on the adequacy of Project/Program definition level of detail required availability of data and time constraints The analogy method finds the cost of a similar space system adjusts for differences and estimates the cost of the new space system The parametric method uses a statistical relationship to relate cost to one or several technical or

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  • Loss Triangle

    Reserve Reviews SAS Programming Schedule P Self Insurance Statement of Actuarial Opinion SAO Health Actuarial Loss Triangle Loss Triangle as described by HB Actuarial Services Inc Complex Calculations Made Easy to Understand A loss triangle is the primary method in which actuaries organize claim data that will be used in an actuarial analysis The reason it is called a loss

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  • Analysis of Methods for Loss Reserving

    adequately assessed without sound loss reserve estimates Wiser 197 The concepts introduced in this section are the basics of the loss reserving process 4 ii Loss Reserve Triangles The loss reserving triangle is the standard method for maintaining loss data While the entries vary for different methods the use of the triangles is always the same 12 months 24 months 36 months 48

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  • Cut off grade estimation

    Lane s Method Lane s Method was presented by Ken Lane in 1988 when he identified three distinct stages of cut off grade application mining concentrating and processing He related these steps to the concept of Net Present Value to create a method of cut off

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  • Resource Reserve Evaluation Gustavson

    Our staff has provided evaluation of reserves and resources on mining properties that contain base metals precious metals industrial minerals and energy minerals Independent estimates for resources and reserves Our mineral resource professionals use industry standard methods for the estimation of mineral resources and reserves In addition we understand and follow industry practices for

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  • PAPER OPEN ACCESS 2UH5HVHUYH

    Reserve estimation is one of important work in evaluating a mining project It is estimation of the quality and quantity of the presence of minerals have economic value Reserve calculation method plays an important role in determining the efficiency in commercial exploration of a deposit This study was intended to calculate ore reserves contained in the study area especially Pit Block 3A

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  • Depletion method of depreciation

    19.01.2019  Depletion method of depreciation is mostly used by the companies that have assets that are natural resources like oil The Michigan Mining Company has acquired a coal mine for a cost of 4 500 000 No other costs are involved The total coal expected to be extracted from the mine is 35 000 tons During the year 2018 the total extraction of coal is 5 700 tons There is no salvage value

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  • RISK BASED RESERVE ECONOMICAL AND ENGINEERING ESTIMATION

    A method required for estimating an oil reserve should also consider the economic and engineering aspects Risk and uncertainties inherent in the reserve estimation mostly have been carried by variables from these aspects Talking about risk in this study we mean risk occurred as the effect of uncertainties in the value of reservoir properties and economic variables This method is important

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  • Golden Triangle s red line

    07.05.2018  The discovery of the Deep Kerr and Iron Cap Zones are expected to increase the resource estimate mining would be done via the underground block cave method Then there s Red Chris Run by

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  • Financial Reporting in the Global Mining Industry

    MINING FINANCIAL REPORTING MINERAL RESERVES AND RESOURCES page three Notes to Ashanti s ore reserves and mineral resources statement include The statement is classified according to JORC Identified inferred resources are not reported in the statement A gold price of 300 per ounce has been used to determine reserves In the base metals mining sector we looked at ten major

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  • The three point estimation in software development

    12.07.2019  One of the great estimate method based on the relative values was discussed in one of our previous articles on story points Three point estimation in the complex software projects When planning a large and complex project it s also worth considering implementing at least some elements of a three point estimation method which is a part of the Program evaluation and review technique

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  • Determine the reserve that Freebourn should hold at

    The Freebourn Stop Loss Insurance Company uses the Expected Loss Ratio Method to set reserves for its stop loss business During 2020 Freebourn had earned premium of 1 400 000 and paid claims of 250 000 Freebourn expects a loss ratio of 55 Determine the reserve that Freebourn should hold at December 31 2020.Expected claims incurred = Earned Premi Solution um Expected Loss Ratio

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  • Orebody Modeling and Resource Estimation

    Resource estimation using industry standard methods including Inverse Distance interpolation Kriging and Conditional Simulation determination of grade values at unobserved points Resource classification with application of the Canadian Institute of Mining and Metallurgy CIM code METHODOLOGY Generally the first step in any modeling project is to produce a set of drill hole sections

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  • Stochastic claims reserving models taking the one year

    04.06.2020  Traditionally actuaries analysing claims reserves seek a point estimate of the future claims payments This is often calculated using a fairly simple method such as the basic chain ladder or the Bornhuetter Ferguson method and judgment is frequently used to adjust the methods In the 1990s Mack s model and the over dispersed Poisson ODP model provided stochastic models for the chain

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  • A Practical Guide To Measuring Reserve Variability Using

    For each triangle so produced the reserving method is run so that a series of Reserve estimates is producedPseudo Reserves If this is done many times one will have a large collection of Pseudo Reserves which will have a certain distributionthat is they will have an expected size and will vary around that expected size by a certain amount which can be measured It is the variation

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  • 2005 LaRonde Mineral Resource Mineral Reserve Estimate

    geology assaying quality control estimation method mining operation recoverability market contracts environmental considerations taxes capital and operating cost estimates economic analysis pay back and mine life This estimate present inventory information including the ongoing mining

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  • EXXARO RESOURCES LIMITED CONSOLIDATED ..

    Reserve estimates are quoted in full irrespective of Exxaro shareholding The report primarily encapsulates all aspects relating to Exxaro s coal estimation and reporting and we therefore predominantly use the terminology of Coal Resources and Coal Reserves throughout the report We do however apply the terminology of Mineral Resources and Mineral Reserves where the content

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  • Estimation of Open Cut Mining Recovery and Mining Dilution

    Reserve Estimate at least a Prefeasibility level study is required where Mining Recovery and Mining Dilution modifying factors are supported by reasonable assumptions For a Feasibility Study appropriately detailed assessments of Modifying Factors are required and need to be documented As a guide the Mining Factors are listed in JORC Table 1 Section 4 Considerations material to the Mining

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  • Monte Carlo Methods and Area Estimates

    Monte Carlo Methods The previous discussion leads to a method for estimating the area / volume of an arbitrarily shaped object We only need to be able to test whether or not a point is inside the object Estimating Areas Via Monte Carlo Procedure generate a uniformly distributed random point in some enclosing rectangle of area A and test whether it is inside or outside the

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  • Mineral Resource Estimation in situ and recoverable

    RECOVERABLE RESOURCE ESTIMATION A sound evaluation of Recoverable Resources is a pre requisite for Reserve Calculation They help determine the portion of the deposit that is technically recoverable when one applies a cut off to selective mining units SMU s to be mined at production stage They are usually much smaller than the Panels that

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  • 3D GEOLOGICAL MODELLING AND MINERAL RESOURCE ESTIMATE

    04.08.2015  3D GEOLOGICAL MODELLING AND MINERAL RESOURCE ESTIMATE FOR hardness and most of the Oxide Mineral Reserve in the concession has been depleted The FE2 deposit is expected to provide Oxide Ore for 7 months based on the current mine plan The Oxide mining on the Sadiola concession has an expected life of 3 years Sadiola s future is thus tied to the fate of the

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  • GUIDELINES UNDER MCDR FOR UNITED NATIONS FRAMEWORK

    Estimates based on regional geological studies and mapping airborne and indirect Methods preliminary field inspections as well as geological inference and extrapolation 4 Prefeasibility Mineral Resource 221 and 222 That part of an indicated and in some circumstances measured mineral resource that has been shown by prefeasibility study to be not economically mineable.Possibly

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  • WRS Waiting Room Sampling for Accurate Triangle Counting

    21.11.2017  If we cannot store all edges in a graph stream which edges should we store to estimate the triangle count accurately Counting triangles i.e cycles of length three is a fundamental graph problem with many applications in social network analysis web mining anomaly detection etc Recently much effort has been made to accurately estimate global and local triangle counts in streaming

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  • Principles of a Resource/Reserve Classification For Minerals

    chemical criteria related to current mining and production practices including those for grade quality thickness and depth The reserve resource/reserve estimate refers must be defined 6 All estimates must show a date and author 7 The reserve base is an encompassing resource category delineated by physical and chemical criteria A major purpose for its recogni­ tion and appraisal

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  • Calculation and Management for Mining Loss and Dilution

    Q Geological ore reserves t Calculation formula of dilution rate r = R/T 100 where r Dilution rate R Total quantity of waste ore mixed into the mining field t T Total quantity of extracted ores and waste ore in the mining field t 2 When indirect method is adopted for calculation ore output grade and ore output quantity as well as cor responding geological ore quantity

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  • GEOSTATISTICAL ORE RESERVE ESTIMATION By M David 2018 Muhammad Amiruddin Download PDF Download Full PDF Package This paper A short summary of this paper 37 Full PDFs related to this paper Read Paper Download PDF Download Full PDF Package Translate PDF

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  • Classification of Mineral Resources and Reserves

    25.06.2013  Classification of Mineral Resources and Reserves Staff Geology for Investors June 25 2013Last Updated January 21 2021 3 minutes read In the early days of mining there were no standards for the reporting of mineral assets Companies or individuals would usually take grades observed in drill core and using some clever geometry

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  • GUIDELINES UNDER MCDR FOR UNITED NATIONS FRAMEWORK

    Estimates based on regional geological studies and mapping airborne and indirect Methods preliminary field inspections as well as geological inference and extrapolation 4 Prefeasibility Mineral Resource 221 and 222 That part of an indicated and in some circumstances measured mineral resource that has been shown by prefeasibility study to be not economically mineable.Possibly

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  • Mineral Deposit Value

    Therefore you could see a major or mid tier mining company that wants to replace their mined reserves just pay a small percentage of this metal value for the deposit i.e 5 to 10 To find out how much of this mineral deposit value I assign to the mining company s value as a whole I recommend you to read the second note at the bottom of this page Note Whenever I conclude that a part

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