Using the Whole Triangle to Estimate Loss Reserves

This method is commonly described as a combination of the loss development method and the expected loss ratio method The major advantage of this method over the loss development method is that it is less sensitive to random noise in L(i,t) However, I believe...

Reserve Estimation - an overview | ScienceDirect Topics

In ore reserve estimation, the orebody is the region and grade, thickness, etc are the regionalized variabl This technique offers the best linear unbiased estimate (BLUE) of the reserves in the context of both local and global bas It also provides a direct quantitative measure of reliability...

ESTIMATION OF MINERAL RESOURCES And MINERAL RESERVES

Nov 23, 2003· this is the practicality of the mining and processing methods proposed for the deposit Best practice includes the use of peer reviews to test various aspects of the Mineral Reserve estimate including the inputs, methodology, underlying assumptions, the results of the estimate itself, and the test for economic viability...

Coal Reserve Estimation and Selection of Mining Method in ,

PDF | 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 ....

First Majestic Updates 2018 Mineral Reserve and Resource ,

Mar 29, 2019· A two-step constraining approach has been implemented to estimate reserves for each mining method in use: A General Cut-Off Grade (GC) was used to delimit new mining ,...

Mineral Resource Estimation - Semantic Scholar

estimation and the evolution of methods over time Reeve and Glacken (1998) describe the history of reserve and resource estimation for one large Australian mining company, WMC Resources Limited Arvidson (1998 and this volume) describes the process of ,...

Estimating IBNR Claims Reserves for General Insurance ,

arrive at the best estimate of the reserve Many classical methods of dealing with the reserve problem have been developed all of which are based on different coefficient calculations and deal with the classical development triangle (for example, Chain ladder method, Bornhuetter-Fergusson and separation technique)...

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 ....

Reserve Estimation | Tonnage (630 views)

Reserve Estimation - 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...

Azerbaijan International Mining Company Gedabek ,

CAE Mining was requested by Azerbaijan International Mining Company (AIMC) Limited, to estimate the mineral reserves for the existing open pit operation of the Gedabek mineral deposit located in the Republic of Azerbaijan The estimation is an update of a...

Ore Body Modelling- Concepts and Techniques - academiaedu

Summary descriptions of conventional methods of reserve estimation Methods Descriptions i) Polygonal method Polygons are constructed by drawing perpendicular bisectors to lines connecting sample points so that each polygon encloses one sample point (Fig1(1))...

Resource Estimation - American Association of Petroleum ,

The American Association of Petroleum Geologists is an international organization with over 38,000 members in 100-plus countri The purposes of this Association are to advance the science of geology...

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 ,...

ORE BODY MODELLING AND COMPARISON OF DIFFERENT ,

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 ,...

Using the Whole Triangle to Estimate Loss Reserves

This method is commonly described as a combination of the loss development method and the expected loss ratio method The major advantage of this method over the loss development method is that it is less sensitive to random noise in L(i,t) However, I believe...

COMPUTING RESERVES MINERAL DEPOSITS: PRINCIPLES ,

COMPUTING RESERVES OF MINERAL DEPOSITS: PRINCIPLES CONVENTIONAL METHODS By Constantine C Popoff + 4 + 4 4 + 4 r 4 + r information circular 8283 UNITED STATES DEPARTMENT OF THE INTERICIR Stewart L Udall, Secretary Phoenix Training Center BUREAU OF MINES Walter R Hibbard, Jr, Director Reprinted by: Bureau of Land Management...

Geostatistics and resource estimation techniques ,

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 A table displaying resource estimation method selection can be found below Nearest Neighbour Method...

Principles of a Resource/Reserve Classification For Minerals

Principles of a Resource/Reserve Classification for Minerals By the US BUREAU OF MINES and the US GEOLOGICAL SURVEY INTRODUCTION Through the years, geologists, mining engineers, and others operating in the minerals field have used various terms to describe and classify mineral resources, which as defined herein include energy materials...

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)...

Azerbaijan International Mining Company Gedabek ,

CAE Mining was requested by Azerbaijan International Mining Company (AIMC) Limited, to estimate the mineral reserves for the existing open pit operation of the Gedabek mineral deposit located in the Republic of Azerbaijan The estimation is an update of a...

Valuation Methods Mineral resources - United Nations

Valuation Methods of Mineral Resources 3 of 13 resources, highlighting the advantages, disadvantages and issues and limitations of each method In the process, the other issues are also discussed/dealt with Issues pertaining to the Valuation of Mineral Resources 8 Based on a survey conducted earlier by the Sub-Soil Assets Group on subsoil...

Mineral Resource Estimation - Edumine Short Course

This short course will consider the detailed methodology of various resource/reserve estimation methods that are in common use in the Mining Industry Emphasis will be on general procedures, inherent assumptions, and advantages and limitations of each of the principal methods...

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)...

Conventional Methods of Resource / Reserve Estimation ,

Discuss the requirements of block estimation, the advantages of a systematic approach, and use of cross-validation Discuss empirical methods of mineral reserve estimation, including sectional methods, polygonal and triangular methods, and inverse distance and contouring methods...

Machine Learning Algorithms and Their Application to Ore ,

geostatistical ordinary kriging (OK) method Keywords: Machine Learning Algorithms, Neural Networks, Support Vector Machine, Genetic Algorithms, Supervised 1 Introduction Estimation of ore reserve is essentially one of the most important platforms upon which a successful mining op-eration is planned and designed Reserve estimation is a...

STAGES OF EXPLORATION & RESERVE/ RESOURCE ,

The Possible Reserve have the following characteristics:- A The grade estimate of a possible reserve is a broad indication of the likely quality B The possible reserve contains only very general information on the mode of occurrence of geological structure and ore behavior C...

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 DG Krige functioning the optimal assigning of weights to the neighbouring sample values used in estimating the grade of blocks in South African gold min...

3 Coal Resource, Reserve, and Quality Assessments | Coal ,

naturally occurring deposits in such forms and amounts that economic extraction is currently or potentially feasible (Wood et al, 1983) Coal reserve is a more restrictive term describing the part of the coal resource that can be mined economically, at the present time, given existing environmental, legal, and technological constraints (Wood et al, 1983)...

Petroleum Reserves Definitions | Society of Petroleum ,

Petroleum Reserves Definitions Reserves derived under these definitions rely on the integrity, skill, and judgment of the evaluator and are affected by the geological complexity, stage of development, degree of depletion of the reservoirs, and amount of available data...

Coal Exploration and Mining - Encyclopedia of Life Support ,

mining methods are introduced Finally, a brief prospect for coal exploration and mining is given With the wide range of subjects that have to be covered in an article of this type, the , particular problems or clarify ambiguities in the borehole data for reserves estimation and mine design...