# reserve estimation by the triangle method mining

##### Polygonal method Article about polygonal method by The

Find out information about polygonal method. A method of estimating ore reserves in which it is assumed that each drill hole has an area of influence extending halfway to the neighboring drill holes Explanation of polygonal method. Polygonal method Article about polygonal method by The Free Dictionary. (mining engineering)

More Details##### Claims Reserve Definition

The claims reserve is funds set aside for the future payment of incurred claims that have not yet been settled. The outstanding claims reserve is an actuarial estimate, as the amounts liable on

More Details##### Mineral resource classifiion Wikipedia

Mineral resource classifiion is the classifiion of mineral resources based on an increasing level of geological knowledge and confidence. Mineral deposits can be classified as: Mineral resources that are potentially valuable, and for which reasonable prospects exist for eventual economic extraction. Mineral reserves or Ore reserves are valuable and legally, economically, and technically

More Details##### Geostatistical Ore Reserve Estimation Tutorial Geology

Jul 15, 2017 · The development of geostatistics as an ore reserve estimation methodology emerged in France in early 1960 from the work of Matheron (1962) and was based on original studies by D.G. Krige functioning the optimal assigning of weights to the neighbouring sample values used in estimating the grade of blocks in South African gold mines.

More Details##### Mining ppt 2014 SlideShare

Mar 29, 2014 · Mining ppt 2014 1. Presented by : Ajoy Saikia Department of Earth & Environmental Science KSKV KACHCHH UNIVERSITY.2014 2. Mining is the process of extracting minerals like gold, silver, copper, nickel and uranium (metallic) and salt, potash, coal and oil (nonmetallic) formations that concentrate naturally in the earth. 3.

More Details##### ORE RESERVE ESTIMATION MineTech Int

ORE RESERVE ESTIMATION METHODS, MODELS AND REALITY Proceedings of the Symposium sponsored by The Geology Division of ClM, and held in Montreal, Quebec, May 1O11, 1986 Edited by M. David, R. Froidevaux, A.J. Sinclair and M Vall6e THE CANADIAN INSTITUTE OF MINING

More Details##### CPCU 520: Ch. 9 Review Concepts & Terms Flashcards Quizlet

Start studying CPCU 520: Ch. 9 Review Concepts & Terms. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

More Details##### Petroleum Reserves Definitions Society of Petroleum

The method of estimation is called deterministic if a single best estimate of reserves is made based on known geological, engineering, and economic data. The method of estimation is called probabilistic when the known geological, engineering, and economic data are used to generate a range of estimates and their associated probabilities.

More Details##### Reserves estimation in tight gas reservoirs PetroWiki

Volumetric methods can be used to estimate reserves from high permeability, blanket, and depletion drive gas reservoirs. In such reservoirs, the drainage area and gas recovery efficiency are usually known with reasonable certainty thus, the volumetric method can provide relatively accurate estimates of OGIP and reserves.

More Details##### Machine Learning Algorithms and Their Appliion to Ore

Estimation of ore reserve is essentially one of the most important platforms upon which a successful mining operation is planned and designed. Reserve estimation is a statistical problem and involves determination of the value (or quantity) of the ore in unsampled areas from a set of sample data (usually drillhole samples) X1, X2, X3, .

More Details##### Narrowvein modelling and Mineral Resource estimation

Narrow veins are major sources of many commodities, including gold, silver, tin, tungsten, coal, uranium and sometimes copper, lead and zinc. Mining this narrow style of mineralization can be considered as relatively high risk, not only due to the high cost of exploration and mining per unit of metal, but also to the frequently limited size of the resource.

More Details##### Section 4 Reserving for Claims Social Science

1. Case reserves direct enumeration on a claimbyclaim basis. Typically used only when there are very few claims. Can''t use for IBNR. a) Examiner''s method estimate ultimate payment and deduct what''s already been paid b) Average size claim method the number of reported claims times an average claim amount minus the amount already paid 2.

More Details##### Triangular method Article about triangular method by The

Find out information about triangular method. A method of ore reserve estimation based on the assumption that a linear relationship exists between the grade difference and the distance between all drill Explanation of triangular method. Triangular method Article about triangular method by The Free Dictionary. (mining engineering)

More Details##### Exploration and Mining Geology GeoScienceWorld

Fulltext available from the year 2000 to 2010. Abstracts only from 1998 to 1999, citations only from 1992 to 1997.

More Details##### Reserves estimation in tight gas reservoirs PetroWiki

Volumetric method. Volumetric methods can be used to estimate reserves from high permeability, blanket, and depletion drive gas reservoirs. In such reservoirs, the drainage area and gas recovery efficiency are usually known with reasonable certainty thus, the volumetric method can provide relatively accurate estimates of OGIP and reserves.

More Details##### Reserve Estimation Tonnage Density

Reserve Estimation Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Ore reserve estimation techniques by cross section method. computation of mineralised zones and true thickness of mineralisation and grade of ore along with metal content. diagrams and formulas for calculation of ore resource.

More Details##### CIM DEFINITION STANDARDS For Mineral Resources and

CIM DEFINITION STANDARDS For Mineral Resources and Mineral Reserves to which a mineral resource or mineral reserve estimate is assigned depends on the level of mineral project that has advanced to a stage where a preferred mining method, in the case of underground mining, or the pit configuration, in the case of an open pit, is

More Details##### Reserving in Two Steps: Total IBNR = Pure IBNR + IBNER

Jun 30, 2013 · Reserving in Two Steps: Total IBNR = Pure IBNR + IBNER Daniel David Schlemmer, ACAS, MAAA . Tracey Tarkowski _____ Abstract . Motivation. To estimate IBNR, with separate amounts estimated for pure IBNR and for IBNER or development on known claims, using methods similar to traditional triangle methods . Results

More Details##### Resource Estimation Methods SpringerLink

The chapter reviews the nongeostatistical estimation methods, the most common of them, are polygonal, triangulation, crosssectional and estimation by the panels (blocking). Another method which also described here is inverse distance weighting (IDW) technique.

More Details##### Calculation of Ore Tonnage & Grade from Drill hole Samples

Metallurgical ContentORE RESERVE CALCULATIONSMINERAL ORE RESERVE Case 1MINERAL ORE RESERVE Case 2MINERAL ORE RESERVE Case 3 The usual method of sampling mineral deposits is to drill holes and assay the sludge or core. Though the results thus obtained may not represent the true average value of the deposit, it is on these results that estimates of practically all

More Details##### 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

More Details##### Coal Reserve Estimation and Selection of Mining Method in

Selection of mining method is often vacillating and a proper coal reserve estimation could be a solution to this, where the ''University of British Columbia (UBC) Method'' and ''Present Situation of

More Details##### ORE BODY MODELLING AND COMPARISON OF DIFFERENT RESERVE

ORE BODY MODELLING AND COMPARISON OF DIFFERENT RESERVE ESTIMATION TECHNIQUES A THESIS IS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF BACHELOR OF TECHNOLOGY IN MINING ENGINEERING By Manasa Chandra Moharaj (110MN0435) Yeshi Wangmo (110MN0440) Under the guidance of Prof. H. K. Naik Department of Mining

More Details##### Estimating Tail Development Factors: What to do When the

Dec 31, 2000 · Estimating Tail Development Factors 3.1 Equalizing Paid and Incurred Development Ultimate Losses This method is the first method discussed with a full theoretical background. It is most useful when incurred loss development essentially stops after a certain stage (i.e., the link ratios are near to unity or unity).

More Details##### Ore deposits: Mineral Reserves, Resources and Estimation

Nov 05, 2014 · Ore deposits: Mineral Reserves, Resources and Estimation [Part 11] EasytoUnderstand Explanation of Mineral Resources & Reserves for Mining Stock Part 11 Mineral Reserves, Resources and

More Details##### Comparison of Incurred but not Reported ("IBNR") Methods

3. Most health care actuaries use a variety of methods to estimate IBNR, and the preferred method may be a combination of two or more of the tested methods (or other ones). For instance, lag methods tend to be the most common methods used by health actuaries however, the results

More Details##### Geology, Resource & Reserve Estimation RPA Inc.

Mineral Resources are classified into Measured, Indied, and Inferred egories based upon the density of data and confidence level on the resource estimate. Mineral Reserves are classified into Proven and Probable egories based upon the corresponding resource egory and economic mining

More Details##### Mineral Reserve Estimation In The Real World

Jan 27, 2010 · Mineral Reserve Estimation In The Real World A PFS is a comprehensive study of the viability of a mineral project that has advanced to a stage where the mining method, in the case of underground mining, or the p configuration, in the case of an open p, g g, pit g, p pit, has been established, where an effective method of mineral

More Details##### Financial reporting in the mining industry International

International Financial Reporting Standards (IFRS) provide the basis for financial reporting to the capital markets in an increasing number of countries around the world. Over 100 countries either use or are adopting IFRS. Those companies already on IFRS have their own challenges as the pace of standardsetting from the International

More Details##### M T S 2009 Matematik KTH

2.1 Runoff Triangle Before the reserving methods are discussed, the term runoff triangle must be presented. The runoff triangle is a convenient way to present observed data. It is an uppertriangle with accident period values in its rows and development period in its

More Details##### Exploration and Evaluation Methods to find gold in

The estimation of reserves and valuation placer: Methods that can be used for reserve estimation and valuation are: (1) the method of block (2) the triangle method (3) the polygonal method (4) the method section (5) the method of diamonds. TESTS. Test methods previously profiled samples vary from simple gravel surface (exposures) to drill

More Details##### Trianglefree reserving : a nontraditional framework for

of outstanding reserves is a lognormal distribution), these methods can be used to estimate the full distribution of outstanding reserves. The problem with triangulation methods: information compression The triangle trick has been very successful and has the charm of simplicity. It is also,

More Details##### Mineral resource estimation Wikipedia

Resource estimation is used to determine and define the ore tonnage and grade of a geological deposit, from the developed block model. There are different estimation methods (see below) used for different scenarios dependent upon the ore boundaries, geological deposit geometry, grade variability and the amount of time and money available.

More Details##### (PDF) COST ESTIMATION FOR OPEN PIT MINES: TACKLING COST

This article presents cost models for open pit mines, which takes into account cost uncertainty. In this paper, cost uncertainty is considered as cost of under production, and cost of over production.

More Details##### Estimation of Mineral Resources / Reserves

The CIM Estimation of Mineral Resources and Mineral Reserves Best Practice Guidelines (MRMR Best Practice Guidelines) were prepared by the Canadian Institute of Mining, Metallurgy and Petroleum''s (CIM) Mineral Resources and Mineral Reserves Committee (CIM MRMR Committee) to update an earlier version that was accepted by CIM Council on November 23, 2003 (CIM, 2003).

More Details##### The influence of drill hole deviation on Resource

Addressing knowledge gaps in steeply dipping coal geological models and the impliions for Resource and Reserve estimates. Au thor audits of steeply dipping coal geological models in the recent boom time highlighted knowledge gaps in the area of true and apparent thickness and flowon effects to Resource and Reserve estimates. Discussion with metals geologists suggests that this issue is

More Details##### 2005 LaRonde Mineral Resource & Mineral Reserve Estimate

2005 LaRonde Mineral Resource & Mineral Reserve Estimate AgnicoEagle Mines Ltd. LaRonde Division Guy Gosselin, Engineer, Geologist. geology, assaying, quality control, estimation method, mining operation, recoverability, market, contracts, environmental considerations, taxes, capital and operating cost The mining reserves and mineral

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