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  • SME
    Challenges in Massive Sulfide Deposit Exploration Using a Seabed Drill Rig for Mineral Core Sampling - SME Annual Meeting 2026

    By S. Wegerer, M. Semel

    The search for minerals typically starts with a reconnaissance phase. After finding a promising target area, further prospecting work will be conducted. Finally with growing confidence of having encou

    Feb 22, 2026

  • TMS
    Challenges In Sampling, Metallurgical Accounting And Reconciliation Of Primary Smelting Furnaces

    By Jacques J. Eksteen

    Metallurgical accounting around toll treatment smelters pose a number of challenges. This paper reviews the requirements for good sampling practice, and how conflicting requirements for good furnace o

    Jan 1, 2006

  • DFI
    Challenges in the Design and Construction of Deep Foundations for Transportation Infrastructure Projects

    By Dan Brown

    Renewal and revitalization of transportation presents a challenge in the need for replacement, repair, and improvements of existing bridges, as well as increased construction of transit systems within

    Jan 1, 1900

  • SAIMM
    Challenges in the use of verbal probability expressions in communicating risk

    By J. Hadjigeorgiou, J. Wesseloo

    Mining companies employ a multitude of risk management tools. The effectiveness of these tools for decision-making and communicating risk has not been addressed. This paper investigates the use of ver

    Jan 30, 2026

  • SME
    Challenges Of Conveyors In Tunneling

    By Marco Sonnenschein

    As time is costly, engineering companies have developed methods, procedures and mechanical equipment to tunnel faster. But the best excavation method will not be able to cope with the time pressure if

    Jan 1, 2012

  • SME
    Challenges of Design and Fabrication of Fiber Reinforced Polymer (FRP) Flanges—A Review - SME Annual Meeting 2024

    By Bruce D. Hebb, Shahin Shadlou

    Fiber Reinforced Polymer (FRP) is an excellent material choice for a broad spectrum of corrosive fluids and, in many cases, offers the best value per dollar. FRP Flanges present the greatest design ch

    Feb 1, 2024

  • AUSIMM
    Challenges of Developing Low-Grade Deposits in æNew WorldÆ Countries from a Mining ConsultantÆs Perspective

    By L Lorenzen, H Muller, L Bernard

    Australian companies and consultants are becoming ever more involved in projects in African, South American, East European and Middle Eastern countries. However, significant differences in culture and

    Sep 26, 2013

  • AUSIMM
    Challenges of Quality Management in Sampling and Measurement of Geometallurgical Variables

    The prime objective of geometallurgy is to improve the profitability of mines through the use of spatial models of rock properties that have a significant impact on value. Although a key property is t

    Mar 1, 2010

  • SME-ICGCM
    Challenges of Room and Pillar Mining at 900 M Depths in the Czech Republic

    By William J. Schloemer

    INTRODUCTION The history of coal mining the Ostrava Region of the Czech Republic goes back nearly 250 years. Both coking coal for steelmaking and thermal coal for the production of energy are mined h

    Jan 1, 2014

  • AUSIMM
    Challenging Perceptions? Sustainability Reporting, the Media and Mining

    By P Clark, P A. Kirsch, R Tapia Rivera

    Community members’ sources of information about companies’ social investments are often influenced by the messages in a variety of communication channels, such as newspapers, television and social med

    Jul 16, 2014

  • AUSIMM
    Challenging the Norm – Alternative Excavation Method in Mining

    By R Burke, G Ramage, C Donnelly

    Over the decades, Redpath has undertaken a multitude of tunnelling and underground excavation projects for civil and mining clients both domestically and internationally. These projects have been unde

    Mar 24, 2014

  • AUSIMM
    Challenging the Norms Time Usage Model – Mobile Underground Mining Equipment

    By R Ballantyne, M Adams

    Time Usage Models, used as a basis for calculating performance indicators for mobile mining equipment, have developed from very simple to very sophisticated models. This development has paralleled the

    Mar 15, 2021

  • SME-ICGCM
    Change in Primary Roof Support System at Quarto Mining Company's Powhatan No. 4 Mine Results in Improved Safety, Productivity and Costs

    By Michael J. Peacock

    The Powhatan No. 4 Mine is located in southeastern Ohio along the Ohio River in Monroe County. The mine produces approximately 3.2 million tons of steam coal annually from the Pittsburgh No. 8 seam. T

    Jan 1, 1986

  • CIM
    Changes in the Dewatering System at Nickel Rim South

    By Bryan Wilson

    Background ?Nickel Rim South Mine started production ramp-up in Q2, 2009. ?The main dewatering pumps were put into use in August 2009. ?3 Feluwa?multisafe?positive displacement pumps ?1700m singl

    Nov 1, 2011

  • AUSIMM
    Changing Restoration Priorities in the 21st Century – Opportunities for Novel Ecosystem Design in Mine Closure

    By P Audet, D Doley

    The mining industry often embraces mine closure criteria that require the reinstatement of predisturbance or even presettlement (ie historic) ecosystems. However, the extent and severity of disturbanc

    Jul 16, 2014

  • CIM
    Changing the Way We Look at Conventional Mining

    By Ryan W. Siggelkow

    Mines today use various methods of mining to extract ore. Because of the dangerous nature of many of these processes, remotely controlled LHD machines are being used to extract the ore from the draw p

    May 1, 2010

  • CIM
    Chapter 1. Formation of an Agreement

    By Karl J. C. Harries

    "1.1. WHAT ARE AGREEMENTS AND HOW ARE THEY FORMED?In order to have an agreement, at common law, there must be an offer, acceptance of that offer, and consideration passing between the parties. In addi

    Jan 1, 2003

  • CIM
    Chapter 11. Types of Royalties

    By Karl J. C. Harries

    "11.1. INTRODUCTIONA royalty is the most common form of interest retained by an owner who is disposing of his property or by a joint venturer who ceases, voluntarily or otherwise, to participate in th

    Jan 1, 2003

  • CIM
    Chapter 12. Determination and Payment

    By Karl J. C. Harries

    "12.1. NO DEPRECIATION/GAAPAll calculations and computations relating to the Royalty shall be carried out in accordance with generally accepted accounting principles consistently applied to the extent

    Jan 1, 2003

  • CIM
    Chapter 13. Miscellaneous Royalty Provisions

    By Karl J. C. Harries

    13.1. RIGHT TO RECEIVE ROYALTY CONTRACTUAL ONLY1

    Jan 1, 2003