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Changes In GNP And Selected Economic Statistics In The Second And Third Quarters, 1984
Data released by the Commerce Department's Bureau of Economic Analysis show continued gradual change in the real GNP's rate of growth in 1984, which has eased from an annual growth rate of 1
Jan 1, 1984
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Changes in Mining Engineering, Present and Prospective
By E. L. Oliver
IN OFFERING a few comments and suggestions on trends in mining practice, and the methods and tools of tomorrow's mining, perhaps it will be appropriate to start with the subject of education. Cha
Jan 1, 1939
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Changes in Stress and Displacement Caused by Longwall Panel Retreats
By Ihsan B. Tulu, David F. Gearhart, Gabriel S. Esterhuizen
"Ground deformation and support response was monitored in a longwall gateroad as part of a research project into gateroad stability under changing loading conditions. In this study, instrumentation wa
Jan 1, 2017
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Changes in the Gold Complex Chemistry and Equilibrium Reactions Affecting Gold Recovery in the Calcium Thiosulfate System
"The thiosulfate leaching process developed by Barrick to treat sulfidic high preg-robbing gold ores uses calcium thiosulfate as the leaching reagent for ores pre-treated by pressure oxidation, resin
Jan 1, 2018
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Changes in Water Chemistry Along a River Receiving Treated AMD - The Influence of Different Kinds of Wetlands, Phase 1
By Bert Allard, Åsa Sjöblom
The River Vormbäcken is the recipient of treated AMD from the Kristineberg mine site, northern Sweden, where mining of a complex sulfidic ore has taken place since 1940. Parts of the river flow th
Jan 1, 2000
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Changes In Wyoming's Industrial Minerals Industry 1996-1999
By Ray E. Harris
New developments have occurred in Wyoming's industrial minerals industry since the 32nd Forum on the Geology of Industrial Minerals in Laramie, Wyoming in 1996. The soda ash trona and bentonite i
Jan 1, 2001
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Changing Electrical Beneficiation Potential of Minerals: A Critical Analysis of Surface Treament Methods in Separation
By H. R. Manouchehri
"In all electrical beneficiation methods, the difference in electro-physical properties of the contributed mineral particles, essentially frictional charge, electrical conductivity and dielectric cons
Jan 1, 2018
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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
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Changing the Ground Support in Cemented Hydraulic Backfill at CSA Mine
CSA mine, which is a deep level copper operation, located 12 km north of Cobar, NSW, currently uses a top down stoping method, utilising cemented hydraulic backfill (CHF) to fill and stabilise the sto
Nov 25, 2010
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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
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Changing Trends in Column Flotation Use – Their Impact for Australian Mill Operators
By D Frost, G Harbort, T Lipiec, N Deonarain
"The use of flotation columns has remained a contentious issue among mill operators. There are those who consider them an essential part of any mineral processing operation, while others consider them
Oct 10, 2016
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Changing Trends In The Exploration, Mining And Metallurgy For Gold In The 1990's
By T. Peter Philip, Erich U. Petersen, William J. Tafuri, Donald M. Hausen, Douglas N. Halbe
Scarcely a month goes by that I or someone else at Newmont Mining or Newmont Gold isn't asked to give a talk on the topic I was asked to discuss today. Investors, financial analysts, geologists,
Jan 1, 1990
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Channel and Detrital Iron Deposits of the Flinders Mines Pilbara Iron Ore
By A E. Petts
Record iron ore prices and a renaissance of infrastructure in the Pilbara have Flinders Mines poised to move from explorer/developer to an iron ore producer. The potential of the company’s Pilbara Iro
Jul 11, 2011
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Chappelle Gold-Silver Deposit, British Columbia
By D. A. Barr
High-grade gold-silver mineralization associated with electrum and argentite was discovered in a quartz vein at the Chappelle property, 273 km north of Smithers, B.C., in 1969 following a regional geo
Jan 1, 1978
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Chapter 10. Definitions
By Karl J. C. Harries
"10.1. INTRODUCTIONDefinitions are a necessary part of every agreement. Their purposes are to assist the reader in reading and understanding an agreement and to attempt to avert potential confusion an
Jan 1, 2003
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Chapter 13. Miscellaneous Royalty Provisions
By Karl J. C. Harries
13.1. RIGHT TO RECEIVE ROYALTY CONTRACTUAL ONLY1
Jan 1, 2003
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Chapter 4. Property Interests, Entry, and Consents - Part I. Property Interests
By Karl J. C. Harries
"4.1. INTRODUCTIONThis chapter, although divided into four parts, deals with only two principal topics. The first briefly describes and discusses some common types of property interests and considerat
Jan 1, 2003
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Chapter 5. Royalty Interests
By Karl J. C. Harries
"5.1. INTRODUCTIONThis chapter is intended as a general overview of the subject of royalties between private parties – royalties extracted by governments are not dealt with. This same subject is cover
Jan 1, 2003
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Chapter 6. Some Property Acquisition Agreements - Part I. General
By Karl J. C. Harries
"6.1. INTRODUCTIONThis chapter comments on some of the more common types of agreements related to property examination and acquisition, other than the farm-in/joint venture agreement or common underta
Jan 1, 2003
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Chapter 7. The Joint Venture Relation
By Karl J. C. Harries
"7.1. INTRODUCTIONThis chapter addresses the joint venture and examines a number of general concepts of the joint venture relationship. Chapter 8 looks at some specific concepts related to the provisi
Jan 1, 2003