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Proven and Probable mineral reserves and Measured and Indicated mineral resources are commonly misused terms. The exact definitions can be hard to find but here they are all in one place, referenced from NI 43-101 and the JORC code.
Mar 11, 2019· Mineral Formulae Recalculation Exercise--This problem set uses the above spreadsheets to recalculate mineral formulae, assign cation site occupancy, determine relative proportions of end members, introduces important varieties of the rock forming minerals, and requires students to look critically at the data and assumptions that are built into ...
Proved reserves is a classification used in mining sectors that denotes the amount of hydrocarbon resources that can be recovered from the deposit with a reasonable level of certainty. Proved ...
THE IMPORTANCE OF DILUTION FACTOR FOR OPEN PIT MINING PROJECTS* Anoush Ebrahimi, P. Eng., Ph.D. ... While we do our best to identify and calculate all the other cost items of a project, no matter how small, it ... dilution factor which is applied in reserve calculation. Estimating a reliable dilution factor can reduce the
resources used by modern civilization. From prehistoric times to the present,mining has played an important part in human existence (Madigan,1981). Here the term mining is used in its broadest context as encompassing the extraction of any naturally occurring mineral substances—solid,liquid,and gas—from the earth or other heavenly
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
Jan 23, 2014· CuEq Metal Equivalent Calculator for Mining Results Posted by: Staff @ Geology for Investors in Results and Analysis, Tools January 23, 2014 Metal equivalent calculations are often used to compare similar deposits with slightly different metal ratios: CuEq (copper equivalent) and AuEq (gold equivalent) are most common in copper porphyry deposits.
Mineral resource classification is the classification 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.
in the mining industry International Financial Reporting Standards 6th edition. International Financial Reporting Standards (IFRS) provide the basis for financial reporting to the capital markets in an increasing number of countries around the ... mineral resources continues.
SGS global teams of chemists and experts use a range of coal analytical calculations and indexes to arrive at the calorific values, total hydrogen, Coke Reactivity Index (CRI) and Coke Strength after Reaction (CSR) of your coal sample.
The main mining valuation methods in the industry include price to net asset value P/NAV, price to cash flow P/CF, total acquisition cost TAC & EV/Resources. The best way to value a mining asset or company is to build a discounted cash flow (DCF) model that takes into account a mine plan produced in a technical report
RESOURCE/RESERVE REPORTING STANDARDS FOR MINERALS Presentation to the International Accounting Standards Board in London by video link from Melbourne. On behalf of the IASB Extractive Activities Project Team 19 April 2005 Pat Stephenson Member and past-Chairman – JORC
Nov 23, 2003· ESTIMATION OF MINERAL RESOURCES And MINERAL RESERVES BEST PRACTICE GUIDELINES Committee Members Paul Bankes - Teck Cominco Limited, Vancouver. Ralph Bullis - Echo Bay Mines Ltd., Edmonton. Neil Gow - Roscoe Postle Associates Inc., Toronto. Bernie Haystead - CIBC World Markets, Toronto.
Jun 25, 2013· Mineral Resources. A Resource is a concentration of a minerals that has a reasonable prospect of economic extraction. Its location, grade, quantity and continuity are reasonably known from specific geological knowledge and evidence.
Aug 16, 2016· How To Calculate A Reserve Retirement. I recently answered a couple of questions on calculating the amount of a Reserve retirement for both Final Pay and High Three pay systems. If you're eligible for a Guard – Reserve retirement, then let me repeat the questions & answers so that you can confirm your math.
Detailed mapping on 1:2,000 or 1:1,000 scale. Pitting, trenching and bed rock sampling on all out- crop sections. Drilling on systematic pattern upto 60 to 120m depth and at 100m strike interval for gold, 200m for base-metals and 400m - 500m for limestone.
Jun 15, 2018· This is the one of method for calculation of reserve of ore .
How do you value a mining company? How do you know whether a share price is a good buy and leaves you some room for value increase? There are two main ways to value a company. Both end up at similar places and with similar values, but come from different angles. They are often used separately.
Financial Reporting in the Global Mining Industry ... Disclosures about mineral reserves and resources page two ... companies are required to calculate their reserves according to Industry Guide 7, and foreign registrants are required to do the same in filings with the commission.
calculation of mineral resources. Example sentences with "calculation of mineral resources", translation memory. Common crawl. The list of mineral resource conditions for the calculation of coal reserves in the section was also included in the feasibility study. EurLex-2.
Estimates of the tonnage and average grade of ore deposits (ore-reserve estimates) are made for various purposes. They may be made by examining engineers as a basis for placing a value on a mining property in connection with reports on behalf of owners or vendors, on the one hand, or for prospective purchasers or lessees, on the other.
Coal Terminology: Resource & Reserve Last Modified: 25th September 2012 ... most estimates of the reserves to production ratio, a simple calculation of how long we could use coal at the current rate, ... For reference, strip mining is limited to extracting coal up to a few hundred feet and underground mining is currently limited to around 3500 ft.
A Mineral Reserve includes diluting materials and allowances for losses that may occur when the material is mined. Probable Mineral Reserve. A probable mineral reserve is the economically mineable part of an Indicated and, in some circumstances, a Measured Mineral Resource demonstrated by at least a Preliminary Feasibility Study.
2. Mineral Resources and Property, Plant and Equipment (PP&E) Impairment aside, there are other topical issues relating to IFRS and PP&E. IAS 16 Property, Plant and Equipment places more emphasis than GAAP on a "component" approach to depreciation, under which costs are allocated to "significant parts" of an asset and each
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