International Institute of Minerals Appraisers

5757 Central Avenue, Suite D, Boulder, Colorado, USA 80301

Member Papers

Recent Developments in International Valuation Standards by Trevor Ellis. Published in SME Transactions 2002. Vol. 312, pages 148 – 152. Reproduced with the permission of the SME.

United States and International Valuation Standards – The Future by Trevor Ellis. Published in SME Transactions 2002. Vol. 312, pages 141 – 147. Reproduced with the permission of the SME.

Difference Between A Value Estimate and An Appraisal by Trevor Ellis. Published in SME Transactions 2001, Vol. 310, pages 25 – 35. Reproduced with the permission of the SME.

Lessons Learned About Standards by Applying Both VALMIN and USPAP on a Complex Appraisal Project by Trevor Ellis. Published in SME Transactions 2000, Vol. 308, pages 116 – 122. Reproduced with the permission of the SME.

Appraisal of Market Value Las Brisas Gold Mining Concessions, Bolivar State, Venezuela by Trevor Ellis. Client, Strongbow Capital Ltd, has generously agreed to allow AIMA to place this report in the public domain for educational purposes.

US Views on Valuation Methodology by Trevor R. Ellis, Copyright and presented at Valmin ’01, Sydney, Australia, 25-28 October 2001, Published in Valmin ’01-Mineral Asset Valuation Issues 2001, the Australasian Institute of Mining and Metallurgy, Melbourne, Australia, 2001, PS No 5/01, pp 1-23. Also published in the Professional Geologists, June – Aug 2002 as a 3-part series. Reproduced with the permission of the Australasian Institute of Mining and Metallurgy

Reporting Standards-The USA Experience, Achieving True Globalisation-Problems and Solutions by Trevor R. Ellis, Copyright and presented at the Council of Mining and Metallurgical Institutions’ Congress 2002, Cairns, Queensland, Australia, 27-28 May 2002 and published in CMMI Congress 2002, pages 67-77. Reproduced with the permission of the Australasian Institute of Mining and Metallurgy

International Perspective On US Mineral Appraisal Standards Development by Trevor Ellis, Copyright and presented at SME Annual Meeting, February 24 – 26, Cincinnati, Ohio and published in Mining Engineering, Vol. 56, No 3, March 2004, pages 44 – 48

International Challenges Will Confront State Licensure by Trevor Ellis, Copyright by AIPG and published in The Professional Geologists, December 2000, Vol 37, No. 11, pages 10 – 13

Philosophy and Application of the International Valuation Standards for Minerals and Petroleum by Trevor Ellis, Copyright by AIPG and published in TPG January/February 2004, pages 14- 19

Regulatory Trends in Mineral Property Valuation – An International Perspective by Trevor Ellis, Copyright 2000 by Valuation 2000 and published in Valuation 2000 Papers and Proceedings

The U.S. Mineral Property Valuation Patchwork of Regulations and Standards in Mineral Property Valuation Proceedings - Papers Presented at Mining Millennium 2000, by Trevor Ellis at the Canadian Institute of Mining, Metallurgy and Petroleum, Toronto, Canada, March 8, 2000, pages 25 - 40.

Mineral Property Valuation Standards – A U.S. Perspective: Marching With The International Valuation and International Financial Reporting Standards presented by Trevor Ellis at South African Institute of Mining and Metallurgy’s Valuation Code Colloquium; Johannesburg, South Africa, 19-20 March 2002.

Trends in the Regulation of Mineral Deposit Valuation , Ellis, Abbott, and Sandri, from SME 99-29

Ethical Dilemmas Posed During a Mineral Project Appraisal , Trevor Ellis, from AIPG The Professional Geologist, February 2000.

Appraisals of a Gold Property: A Case Study of Reserve Additions, Trevor Ellis, from 2000 Journal of the ASFMRA.

International Challenges Will Confront State Licensure, Trevor Ellis, from The Professional Geologist, AIPG, Vol. 37, No. 11, December 2000.

Fair Market Value is Goal of Property Appraisal , John B. Gustavson, from The American Oil and Gas Reporter, February 1993.

Valuation of Non-U.S. Oil & Gas Propertiesl , John B. Gustavson, from Management, February 2000.

Court Values Versus Reality; A Rebutal to “Making Money Winning Environmental Lawsuits”, J.B.Gustavson, M.R. Silverman and T. Stauffer, from SPE 37943.

Difficult Mineral Property Valuations: An Example from Zimbabwe, Ross D. Lawrence. Presented at the Annual Meeting of the Society for Mining, Metallurgy & Exploration, February 21, 2012, Seattle, Washington.

IIMA thanks the following organizations and publications for providing us with permission to post these papers for educational purposes:

  • Society of Mining, Metallurgy, and Exploration, Inc. (SME)
  • The American Institute of Professional Geologists (AIPG) and its journal “The Professional Geologist”
  • The Australasian Institute of Mining and Metallurgy
  • The American Society of Farm Managers and Rural Appraisers (ASFMRA)
  • The South African Institute of Mining and Metallurgy (SAIMM)