24-MMP-A4 Mine Valuation and Mineral Resource Estimation · May 2017
Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
EGBC National Exam — Mining and Mineral Processing Engineering, 09-MMP-A4 Mine Valuation and Mineral Resource Estimation, 2017-May. 3 hours duration; one handwritten 8.5×11 in reference sheet permitted (not an open-book exam); only approved Sharp or Casio calculators allowed. Question 1 is compulsory (40 marks, parts 1.1–1.6); candidates then select THREE of the five optional Questions 2–6 (20 marks each) to complete the paper.
Reference texts: Isaaks & Srivastava, An Introduction to Applied Geostatistics (variogram modelling, kriging estimators, volume–variance relations); Hustrulid, Kuchta & Martin, Open Pit Mine Planning and Design (mine valuation, NPV and cut-off grade methodology, mineable reserves); Gentry & O'Neil, Mine Investment Analysis (Canadian mining taxation, smelter/refining contract terms, net smelter return, transportation logistics); SME Mining Engineering Handbook, 3rd ed. (cost-estimating relationships, mineral exploration/evaluation stages, ore reserve classification); Evans, An Introduction to Ore Geology and Guilbert & Park, The Geology of Ore Deposits (ore deposit models); CIM Best Practice Guidelines and NI 43-101 (Canadian Securities Administrators).
Question text not reproduced: the examination questions are © Engineers and Geoscientists BC. Open the official past paper (linked at the top of this page) to read the question, then follow the worked solution below.
Representative benchmark prices for the day before a mid-May 2017 sitting:
| Commodity | Price | Exchange / benchmark |
|---|---|---|
| Copper | US$2.55/lb (≈ US$5,620/tonne) | LME cash settlement |
| Gold | US$1,230/oz troy | LBMA PM fix |
| Silver | US$16.40/oz troy | LBMA silver price |
| Zinc | US$1.17/lb (≈ US$2,580/tonne) | LME cash settlement |
| Oil (WTI) | US$48/bbl | NYMEX WTI front-month |
| Nickel | US$4.20/lb (≈ US$9,300/tonne) | LME cash settlement |
| Molybdenum | US$6.25/lb (moly oxide) | Metals Week Mo dealer oxide price |
