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Challenges in Massive Sulfide Deposit Exploration Using a Seabed Drill Rig for Mineral Core Sampling - SME Annual Meeting 2026By 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
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Challenges In Sampling, Metallurgical Accounting And Reconciliation Of Primary Smelting FurnacesBy 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
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Challenges in the Design and Construction of Deep Foundations for Transportation Infrastructure ProjectsBy 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
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Challenges in the use of verbal probability expressions in communicating riskBy 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
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Challenges Of Conveyors In TunnelingBy 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
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Challenges of Design and Fabrication of Fiber Reinforced Polymer (FRP) Flanges—A Review - SME Annual Meeting 2024By 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
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Challenges of Developing Low-Grade Deposits in æNew WorldÆ Countries from a Mining ConsultantÆs PerspectiveBy 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
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Challenges of Quality Management in Sampling and Measurement of Geometallurgical VariablesThe 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
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Challenges of Room and Pillar Mining at 900 M Depths in the Czech RepublicBy 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
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Challenging Perceptions? Sustainability Reporting, the Media and MiningBy 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
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Challenging the Norm – Alternative Excavation Method in MiningBy 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
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Challenging the Norms Time Usage Model – Mobile Underground Mining EquipmentBy 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
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Change in Primary Roof Support System at Quarto Mining Company's Powhatan No. 4 Mine Results in Improved Safety, Productivity and CostsBy 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
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Changes in the Dewatering System at Nickel Rim SouthBy 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
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Changing Restoration Priorities in the 21st Century – Opportunities for Novel Ecosystem Design in Mine ClosureBy 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
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Changing the Way We Look at Conventional MiningBy 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
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Chapter 1. Formation of an AgreementBy 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
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Chapter 11. Types of RoyaltiesBy 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
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Chapter 12. Determination and PaymentBy 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
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Chapter 13. Miscellaneous Royalty ProvisionsBy Karl J. C. Harries
13.1. RIGHT TO RECEIVE ROYALTY CONTRACTUAL ONLY1
Jan 1, 2003