Placer Mining Technology Video Library Index P-6-001 Who Needs a Bureaucrat ? P-6-002 Why Placer ? P-6-003 Summary: State of Alaska Placer Mining Demonstration Grant Program P-6-004 Overview of the Placer Mining Industry and Research Programs, Yukon 1986 P-6-005 Future Application of Borehole Mining to Frozen Ground Placers P-6-006 Placer Sampling With the Becker Drill P-6-007 Exploration Models for Desert Placers P-6-008 Numerical Point System for Evaluating Placer Properties P-6-009 Geomorphology of the Americas P-6-011 A Common Sense Approach to Profitable Placer Mining Becker Drill P-6-012 Federal Taxation of the Placer Mining Industry P-6-013 Settling Pond Design and Placer Mining Waste Water Treatment Development P-6-014 The Operation of a Knelson Concentrator in Conjunction with a Sluice Box P-6-015 Hydrodynamics of the Sluicing System P-6-016 Pulsating Sluices Utilized as a Heavy Media Scalper P-6-017 Utilizing a HY-G concentrator with Sloped Plate Clarifiers P-6-018 The A.E.C. 999 Live Belt Primary Recovery System P-6-019 The Mandrell Continuous Miner for Underground Placers P-6-022 Advanced Technology - Mineral Recovery Without Water or Chemicals P-6-023 Alluvial Gold Mining Potential in Australia P-7-001 A Genetic Model for Placers in the Guyana Shield P-7-004 The Morphology of Gold P-7-005 The Pro-Pulse Jig P-7-006 Applications of the Deister Flotaire Column Flotation Cell P-7-007 Geological Applications of LANDSAT Imagery P-7-008 Cost Variances of Small Placer Mines P-7-009 Electrum-Coated Bacteriological Spores Recovered from Auriferous Alaskan Soils P-7-010 Placer Testing with Reichert Spirals and Gemeni Tables P-7-011 Introduction to Placer Mining, History and Minerals P-7-012 The Auroco Trommel-Rotary Boil Box Provides Continuous Clean-up P-7-014 The Kinetic Crusher P-7-015 Placer Mining in Costa Rica P-7-016 Frozen Overburden Removal: Blasting vs. Ripping P-7-017 Results of Yukon Study: How Riffles Perform P-7-018 Heavy Sediment Stream Sampling for Finding Both Lode and Placer Deposits P-9-002 Primer for Miners in Glacial Terrains P-9-003 Managing a Testing Program P-9-004 Growth of Gold Particles P-9-005 Geophysical Exploration for Placers P-9-006 Placer Drilling with the Hammer Drill P-9-007 Federal Taxation for Placer Miners - Myths, Reality, Reform P-9-008 Financing an Economic Placer Project P-9-009 Going Public with Placer Mining Projects P-9-011 Vancouver Listing and The New Rules P-9-012 Tracing Atomic Charged Gold Particles P-9-013 Mobile Concentrators In China P-9-014 MDL Mining and Mineral Recovery Systems P-9-015 Gold Losses That Are Not Due To Recovery Equipment P-9-016 Winter Mining at Alaska's Valdez Creek P-9-017 Hard Rock Gravity Recovery P-9-018 Hard Rock Gravity Recovery (Campbell Mine) P-9-019 Hard Rock Gravity Recovery Systems P-9-021 The Ten Commandments in Placer Exploration and Operation P-9-022 Exploration Prospects For Buried Placers in the Caribou P-9-023 New Methods Used to Detect a Pre-glacial Buried Channel P-9-024 Realities Of The Placer Industry P-9-025 Gravity Recovery Systems as Utilized in South African Gold Mines P-9-026 Gold Analysis: Myths, Frauds and Truths P-9-028 State of the Art Knelson Concentrators P-9-029 American Balanced Jigs P-9-031 New Dimension Metallurgy For the Nineties P-9-032 The Use of Radiotracers to Assess Sluice Box Efficiency P-9-033 The AFT and BP Flotation System as Designed For Placer Operations P-9-034 How to Develop a Placer Prospect into a Mine P-9-035 The Falcon Concentrator Utilized in Fine Gold Recovery Systems Placer Mining Technology Video Library Catalogue The RMS-ROSS CORPORATION has been instrumental in the dissemination of information related to new mining technology since 1985, when it began its sponsorship of the annual RMS-ROSS Fine Gold Recovery Seminars. Held in Vancouver, British Columbia, the seminars attracted well-known professionals in the mining industry, including professors at leading universities, representatives of federal departments, as well as hands-on experts who run their own mining operations. Although the major focus of the speakers is placer mining technology, a number of experts discuss recovery equipment, project financing, international experiments as well as day-to-day operations. P-6-001 Who Needs a Bureaucrat ? (20 min) $19.95 Murray draws a picture of a placer site and gives an explanation of water acts and regulations applying to mines, fisheries, and wasteland. He explains the system's attempts to assist placer miners, and how bureaucrats view the regulations and the mining industry. Murray Galbraith received his B.Sc. in Civil Engineering at the University of Saskatchewan in 1965 and his Masters of Public Administration at the University of Victoria in 1984. He is presently a private consultant for the Ministry of Energy, Mines and Petroleum of the B.C. Mines Inspection Branch. P-6-002 Why Placer ? (31 min) $24.50 H. Mason Coggin talks about the attractiveness of placer to those seeking to recover gold cost-effectively using recent technology. He expands on alternatives to mainstream mining methods and provides a brief examination of what factors especially affect the choice of a placer mining operation. H. Mason Coggin got his B.Sc. at the Mining Engineering University of Arizona. He is a mining engineer with Phelps Dodge Corp. and is the author of "Conceptual Design and Engineering Economics and Environmental Analysis of a Surface-Pit, Slope-Caving Mining System". P-6-003 A Summary of the State of Alaska Placer Mining Demonstration Grant Program (33 min) $27.50 Kelly Dolphin summarizes his involvement with several grant projects and discusses the joint efforts of placer miners and bureaucrats to find practical solutions to problems in the areas of efficiency and environmental impact, among others. Kelly Dolphin is the president of Miners Co. and vice-president of Free Gold Recovery Ltd. He is experienced in the exploration and development of precious metal tailings deposits. P-6-004 Overview of the Placer Mining Industry and Research Programs, Yukon 1986 (40 min) $27.50 Stephen Morrison talks about a general overview of the industry in Alaska, including graphic summaries of researched data. Potential growth-associated benefits and problems are explored with a running commentary on example of sites and techniques used to extract gold. Stephen Morrison has a M.Sc. in Geology from the University of Alberta. Stephen is a geologist for the Yukon Territorial Government and for the Exploration and Geological Services Division of the Department of Indian and Northern Affairs. P-6-005 Future Application of Borehole Mining to Frozen Ground Placers (34 min) $27.50 Robert talks about the pros and cons of using the borehole method, gives specific details of the equipment and techniques applied to the test site and provides an excellent description of the reasons for using these methods for material extraction, and their effects. Robert Retherford has a M.Sc. in Geology from the University of Colorado. He had done exploration in placer and hard rock mining for 15 years. Robert is the vice-president of the Holly Resources Group Ltd. and chairman of the Society of Mining Engineers in Anchorage, Alaska. P-6-006 Placer Sampling With the Becker Drill (53 min) $27.50 A detailed exploration of the design, use, benefits and requirements for accurate and efficient operation of the Becker drill. Presentation of data generated from different drill sizes and in a variety of sites with samples from various formations. Lars Anderson graduated from the Gothenberg Institute in mechanical engineering in 1949. He's worked with the Swedish Geo-Technical Institute, developing drill and soil sampling equipment and is manager of Becker Drilling Co. since 1966. Martin Kierans got his B.Sc. in geology from McGill University in 1948 and his M.Sc. in geology from the University of British Columbia in 1952. He is a consulting geological engineer with experience in hard rock, surface and underground exploration in North and South America. P-6-007 Exploration Models for Desert Placers (53 min) $27.50 Bill suggests where and how to look for placer deposits in the vast alluvial fan systems of Nevada and gives a brief overview of the geology of the Great Basin District and how it relates to other geological areas in the western U.S. William B. Murdaugh is a geologist with over 20 years experience in river marine exploration and development around the world. He also has done desert placer evaluation with the Southern Pacific Land Co. in California. P-6-008 Numerical Point System for Evaluating Placer Properties (55 min) $27.50 A detailed coverage of the factors to be considered in quantifying a potential placer site with a step-by-step examination of key factors in placer exploration. The spectrum of data needed to properly evaluate deposits is given along with a brief history of placer operations. Ron Stokes is one of the most popular speakers on the circuit. He is a professional engineer with 35 years of experience in all types of mining around the world. P-6-009 Geomorphology of the Americas (51 min) $27.50 An investigation of the geomorphology of gold, tracing gold from the lode to deposits in creekbeds. Michael provides valuable insight to the reactions of gold to the environment. Michael Milner is a geomorphologist with placer experience from Honduras to the Yukon. He is the author of studies on geomorphology as guide to exploration and evaluation of placer deposits and the morphology and weather reaction of gold particles to determine transport distance and lode source type. P-6-011 A Common Sense Approach to Profitable Placer Mining (40 min) $27.50 A practical look at recent methods and thinking in the recovery of fine gold by various processes. Each key factor of feed preparation is examined to increase recovery and examples of ways to improve the efficiency of the recovery processes are provided. Ray Crosby is the president of Goldfield Engineering and Machine Works of Provo, Utah. P-6-012 A Discussion of the Federal Taxation of the Placer Mining Industry Under the Income Tax Act: What Is the Current Status ? (38 min) $24.50 Mr. Hurtle examines the impact and ramifications of recent discussions with regard to Taxation of the Placer Mining Industry in Canada. He covers the information required for the proper application of tax regulations to mining and exploration. F.S. (Rick) Hurtle has a Bachelor of Commerce, and is a Chartered Accountant with Dunwoody and Company. He has represented numerous clients in placer mining to Energy, Mines and Resources Canada, Revenue Canada Finance and to the Department of Indian and Northern Affairs. P-6-013 Settling Pond Design and Placer Mining Waste Water Treatment Development (37 min) $27.50 The evaluation of mineral recovery from sediments with particular attention to the efficiency of recovery and the environmental impact of waste water. The regulations on the discharge of effluents is also covered, with examples of different types of operations given. Neil Peters is a civil engineer with extensive experience in the design and evaluation of settling ponds in the Yukon placer and B.C. coal mining industries. He is also consultant to the Yukon Government and the Department of Indian and Northern Affairs and project engineer for Sigma Resource Consultants. P-6-014 The Operation of a Knelson Concentrator in Conjunction with a Sluice Box (29 min) $24.50 A description of the increase in fine gold recovery, up to 90%, using various configurations of sluice boxes. His insights into the trials and tribulations of a placer miner with examples of problems encountered at the site. Don Sanders got his B.Sc. and education in Geology at the University of Alaska. He is an Associate Professor in Mining and Prospecting at the University of Alaska. He received the honor of Geology Teacher of the Year in 1976 from the National Association, Northwest U.S.A. With graduate studies in the use of tundra as a filtering system and in fine gold recovery using the Knelson Concentrator, he is the owner and operator of the Gold and Nugget Mining Co. since 1974. P-6-015 Hydrodynamics of the Sluicing System (47 min) $27.50 Discussed are the principles of flow theory which are applied to sluices and the results, compared to expectations in the action of materials being processed, with a view to increasing fine gold recovery from various types of deposits. Numerous examples are provided demonstrating machinery, methods and achieved results. Bill McCarter received his civil engineer degree at the University of Western Ontario, with extensive research and experience in mineral processing and placer mining. The owner of New Wealth Grav-Tech Ltd., he developed computer controlled equipment for mining processing. P-6-016 Pulsating Sluices Utilized as a Heavy Media Scalper (47 min) $27.50 A detailed explanation of the pulsating sluice, with advice for potential users. Ron covers all phases of recovery from power supply to cleanup, and gives reasons for the application of this particular method of recovery. The types of site information needed to ascertain whether or not a pulsating sluice would be useful in gold recovery. Ron Johnson is a BES graduate from the University of Waterloo. As a member and director of the Klondike Placer Miners Association and co-owner and operator of a family placer mine in Eldorado Creek, he has done research in enhancing productivity in the placer industry. P-6-017 Utilizing a HY-G concentrator with Sloped Plate Clarifiers (48 min) $27.50 A broad brush look at the problems encountered in placer mining and various applications of equipment and technical expertise. Emphasis is on high volume material, processing of low and medium grade gold, with examples from the speaker's experience in developing placer plants. Bill Steves has his B.Sc. in mechanical engineering from the University of Kansas. He has been a design and test engineer for 22 years, specializing in mechanical equipment design, with extensive experience in product design and development of large scale manufacturing systems. Bill developed large scale placer plants utilizing a modular construction approach. P-6-018 The A.E.C. 999 Live Belt Primary Recovery System (35 min) $24.50 A history and description of the development and operation of a revolutionary recovery system, the A.E.C. 999, also known as the Baja Machine or the Green Machine. Due to the proprietary nature of the unpatented machinery, this video contains no representation of the A.E.C. 999, by request of the owners. Gerhard Von Rosen received his B.Sc., with honors, in geology, and his masters degree in science from the University of British Columbia. He is a professional engineer with Low Manning & Associates and a freelance consultant, currently with Gearex Engineering, dealing with placer mining. P-6-019 The Mandrell Continuous Miner for Underground Placers (35 min) $24.50 An overview of the use of the Mandrell Miner including problems and solutions encountered utilizing a unique and interesting machine. He explores the need for an application of the mandrell miner in novel situations to extract economically from gold bearing deposits. Mike Stonerhas had extensive placer experience with tin and columbite in Nigeria. He is the development manager for Aquatine Ltd. in Australia and the vice-president of mining for Mandrell Mining Machines. P-6-022 Advanced Technology - Mineral Recovery Without Water or Chemicals (20 min) $19.95 An introduction to the patented "Electro-Drycon" system, which eliminates the need for water sources and settling ponds in placer mining operations. The system employs patented methods to hold material in suspension over a specially designed riffle belt with electrostatic induction for a higher percentage of gold recovery. Gordon Lavigne has over 30 years mining experience, and has built and operated mills to recover tungsten, lead, silver and zinc. The founder and president of Mineral Systems Inc., he also owns an 18 point patent for the gold recovery by several dry recovery systems. P-6-023 Alluvial Gold Mining Potential in Australia (41 min) $27.50 An overview of gold mining in Australia, highlighting problems encountered and comparisons to gold production elsewhere in the world. It examines the factors affecting growth and potential for investment and profit in a stable home industry. Peter Smith has experience in all phases of gold production from mining to jewelry making. He has been a lawyer with the mining industry since 1972 and is the chairman of Lasser-Tech Ltd., Mineral Systems of Australia Ltd., and the director of; King Mining Corp. Ltd., Gold Rock Investments and Australian Metals Exchange. P-7-001 A Genetic Model for Placers in the Guyana Shield and Preliminary Exploration Results (27 min) $24.50 How to identify formations of placer deposits using surveyed areas in Guyana. Shown and discussed is a Synthetic Imaging Radar Map of the Guyana Shield. Also shown are Guyana's Mining Districts and the types of minerals found there. Mark Grubb is presently employed with the Illinois State Geological survey. He has a B.Sc. and a M.Sc. in Geology. Mark has been involved with the identification and evaluation of diamond and gold placers in Guyana, sedimentary and geomorphological studies for eluvial fans in Montana, and a geomorphic research of the Illinois and Mississippi rivers. P-7-004 The Morphology of Gold (50 min) $27.50 Mike explains how and why the shape and texture of gold helps to indicate how it was formed. He also explores and expands on the theory of non-chemical growth of gold in creeks. Mike Milner is a graduate of McGill University who implemented a Geological Survey in Guyana in 1969. He has done a lot of work mapping gold fields around the world, including a study of placer deposit prospects in Honduras in 1979, and later in the Americas. His expertise is placer geomorphology as a guide to exploration and evaluation of placer deposits. P-7-005 The Pro-Pulse Jig (12 min) $19.95 This highly efficient big feed capacity gold recovery device is described and demonstrated. Shown are lightweight and larger production models of the Pro-Pulse Jig in full operation on various sites. The Jig requires no electricity and only 8-10 lbs water pressure to operate the 2 pulsating heads which expand and collapse the live bed. Harry Teerink is the president of Pro-Pulse Jigs. P-7-006 Applications of the Deister Flotaire Column Flotation Cell (24 min) $24.50 An in-depth description of the Flotaire Column Flotation Cell, a new invention for fine gold recovery. Its effectiveness and its operational capabilities on a day-to-day basis are discussed. References to the Deister Concentrating table. Two good aspects of "how to recover from coarse to fine gold". Adolf Jonaitis is chief engineer for the Deister Concentrating Co. in Indiana. Adolf graduated from the Michigan Technical University with a B.Sc. and a M.Sc. He has extensive experience in coal and mineral recovery by gravity concentration and flotation techniques. P-7-007 Geological Applications of LANDSAT Imagery (33 min) $24.50 The uses and advantages of using remote sensing are defined and explained. Bernard also shows and explains the reproduction of structures from aircraft and satellite imagery. Bernard Clark graduated from the University of Waterloo in 1982 and subsequently spent three years with McDonald, Detweiler and Associates. He has also spent seven years with the Xerox Company gaining expert knowledge of electronic printing circuits. P-7-008 Cost Variances of Small Placer Mines (21 min) $24.50 Examined are: the relative effects of various operating parameters on surface placer mines; the practicalities of averaging the yearly cost of operating a mine; and the analysis of sub-operations to determine the cost of operation with a view to maximizing efficiency and minimizing costs. James Hodos graduated from Columbia University with a B.A. in Geology in 1973. James spent 11 years as a geologist, project engineer and manager for Placer Service Corporation on various projects around the globe. Some of JamesÕ other achievements are the development of the cason drill, property evaluation, mine planning, construction supervision and consulting. P-7-009 Electrum-Coated Bacteriological Spores Recovered from Auriferous Alaskan Soils (35 min) $24.50 Tom explains and expands on his theories about the formation and growth of gold. He relates the use of microbiology in understanding the geochemistry of gold. Tom Watterson graduated from Arizona State University in 1966, then he joined the U.S. Geological Survey as a research chemist. P-7-010 Placer Testing with Reichert Spirals and Gemeni Tables (33 min) $24.50 The use of Reichert Spiral is demonstrated, examining sampling procedures for placer applications for "fine gold" - less than 70 mesh in size. Also explained are the many benefits of using the self-cleaning Gemeni Tables as well as the practicality and efficiency of the units. Kelly Dolphin is President of the Miners company and has extensive knowledge of gold recovery in placer fields in Alaska and the Yukon. Kelly is now vice president of Free Gold Recoveries in Alberta. Mike Philpott is a 1987 geology graduate of the University of British Columbia. In 1985 he received an M.B.A. from The City University. Mike worked for the Yukon operations of Queen State Resources and is presently specializing as consultant in gravity concentration and placer evaluation with Canadian Gravities Recovery Co. in Vancouver, B.C. P-7-011 Introduction to Placer Mining, History and Minerals (45 min) $27.50 Looking back at the history of gold from the first gold rush to today's mining industry. Minerals are examined and results are documented. Also shown is an in-depth look at Placer Mining and what it is all about. W.D. Elsdon's experience with gold first began in 1930 when, at the age of ten, he panned for gold in the Kootenays, B.C. P-7-012 The Auroco Trommel-Rotary Boil Box Provides Continuous Clean-up (41 min) $27.50 Slides are used to show the box in operation. The uses and advantages of the invention as well as its practical purposes are demonstrated and explained. Ted Yardley works for a division of Wilson Creek Placers in Vancouver, B.C. He has owned and operated numerous placer mining operations in the Yukon and Northern B.C. where he has gained extensive knowledge in the industry. Marv Sherman invented, designed and tested the Rotary Boil Box along with Ted. Marv is presently on the Board of Directors for Canova Resources Ltd. P-7-014 The Kinetic Crusher (26 min) $24.50 The application of the Kinetic Crusher to placer mining, and its history. The Crusher is fed rocks from the top, can start up with a full load in its jaws, and its "floating wheels" allow any foreign objects that accidentally get into the machine to be passed through the system without damage. Lawrence Turley is the President of Teaco Services Corp. in Phoenix. He is a mechanical and metallurgical engineer, and has spent several years in the development of chemical recovery systems. He has also been involved in the upgrading and manufacturing of the Crusher. P-7-015 Placer Mining in Costa Rica (34 min) $27.50 Tom shows the types of operation presently being conducted in Costa Rica. He further describes the costs involved in setting up operations in Costa Rica, as well as the advantages and problems various placer companies have in the land recovering .25 to .30 grams per yard of material. Tom Bergman has a considerable amount of placer experience in the Alaskan placer field. He also has many years of placer experience on various sites in Costa Rica. P-7-016 Frozen Overburden Removal: Blasting vs. Ripping (37 min) $27.50 "Black Muck" and the difficulties of removing it. A home-made video on drilling and small-scale blasting and a discussion on extensive testing to find an easier and more efficient way to remove frozen overburden. Bill Lanning is presently working for Sphinx America in Fairbanks, Alaska. P-7-017 Results of Yukon Study: How Riffles Perform (55 min) $27.50 Hot off-the-press results of the Sluicing Pilot Project, initiated to determine how variations in operating conditions affect gold recovery. Provides operating hints and kinks on how to recover fine placer gold, particularly in a sluice. G. Poling holds a B.Sc., a M.Sc. and a Ph.D. in mineral processing. He has had experience in research for Texaco in N.Y., in the uranium industry in Eldorado and in the copper industry in Zambia. He was head of the mining department at the University of British Columbia from 1978-1986. J. Hamilton discusses the results of his thesis for a M.Sc. in mineral process engineering. HeÕs a consulting engineer with experience in lab testing on sluice techniques, supervising and designing testing and sampling programs in Alberta, B.C. and California. P-7-018 Heavy Sediment Stream Sampling for Finding Both Lode and Placer Deposits (39 min) $27.50 Using a 1.5 inch suction dredge and sluice, Alex explains how technology has improved classic techniques of taking stream sediment. New sampling methods and their effectiveness are also examined. Alex Burton is an engineer for his own consulting company in Vancouver, Burton Consulting Inc., since 1975. He graduated from the University of British Columbia in 1954. Alex has managed exploration efforts for mining companies in Canada, the U.S., Australia and Africa. P-9-002 Primer for Miners in Glacial Terrains (30 min) $24.50 A Placer miner's primer that explains how and where gold placers are deposited as a result of glacial action. Drawing from a variety of sources, and providing excellent diagrams, Alex reviews both classic placer situations and more complex deposits, and covers the fundamentals and principles of locating gold bearing placer deposits. Alex Burton is an engineer for his own consulting company in Vancouver, Burton Consulting Inc., since 1975. He graduated from the University of British Columbia in 1954. Alex has managed exploration efforts for mining companies in Canada, the U.S., Australia and Africa. P-9-003 Managing a Testing Program (30 min) $24.50 A step by step summary of how to approach evaluating and managing a test program. Provides a review of crucial concerns of placer sampling, such as sampling tools, and other factors both operational and non-operational that must be considered during a test program. Mike Philpott graduated from the University of British Columbia in geology in 1987, and from City University in 1985 with an M.B.A. Mike worked primarily in the Yukon operations of Queenstake Resources. Mike has specialized as a consultant in gravity concentration, and placer evaluation primarily through CGR and MDP Management Services. P-9-004 Growth of Gold Particles (41 min) $27.50 Does gold grow in creeks and soil? Slides, graphs, micrographs and spectral analysis are used to examine various theories about the growth of gold, and practical applications are explained that can improve evaluation of placer sites and increased gold recovery. Mr. Milner has extensive experience in placer mining, exploration and development. He has been involved in exploration for lode gold particularly with the ability to determine the distance of transport of the gold particles from the lode source as well as the type of source. P-9-005 Geophysical Exploration for Placers (30 min) $24.50 Structural mapping and indirect detection techniques are shown to be useful methods for locating placer deposits thus reducing the amount of digging required and to save money. Case studies are detailed, showing equipment and methods used for seismic analysis on both land and water, and data transferred to graphs clearly, indicating deposits underground. Dennis Woods is a professional engineer, member, and contributor to many geophysical and geological societies. P-9-006 Placer Drilling with the Hammer Drill (27 min) $24.50 Explains the unique features of the Barbar Dual Rotary Drill that provides uniform samples in all situations and gives a very accurate picture of what is underground. Owen Barrett was educated in Cranbrook where he was trained as an electrician, and developed his own electrical contracting company. During that time he developed a special placer drill bit and has now been a drilling contractor for over 15 years. P-9-007 Federal Taxation for Placer Miners - Myths, Reality, Reform (44 min) $27.50 An informative discussion on Revenue Canada's approach to taxation; including specific applications and definitive rulings that impact the placer industry. Proposed and recently implemented changes to the tax structure are explored; including the grey areas of the tax act; and technical interpretations of the sections affecting placer mining. These are given using various examples. Rick Hirtle is a Chartered Accountant with a strong base of placer mining clients, representing them to Revenue Canada, Energy Mines and Resources and other Government departments. P-9-008 Financing an Economic Placer Project (27 min) $24.50 A broad look at financing and economics in a highly variable and uncertain industry. The particular problems of financing placer projects are explored, highlighting considerations involved in obtaining financing through a credible business plan. The production economics of placer mining are also examined, with attention to alternatives in financing equipment and supplies, and the creative disposal of recovered gold for improved revenues. Don Sharpe is a Chartered Accountant, Director and Consultant for several gold mining companies and, also, is President of a consulting firm offering advisory services. P-9-009 Going Public with Placer Mining Projects (22 min) $24.50 Important factors to be considered when seeking capital to develop projects are revealed, the sources of capital itemized and compared, with emphasis on the costs and problems involved in going public with a placer project. Also included is a discussion in broader terms of financing gold properties, and recent changes in venture capital markets that make going public with a placer project more difficult. Doug Reason currently sits on the Board of Directors of two mining companies. Previously Doug was the Executive Director of Listings with the Toronto Stock Exchange. Over a four year period he was instrumental in the introduction of new policies to promote and facilitate the funding of junior companies in Canada. P-9-011 Vancouver Listing and The New Rules (36 min) $27.50 Highlights of major changes are covered, comprising a complete overhaul of the priorities and rules for obtaining and maintaining a listing on the V.S.E. Details specific to listing a placer project are provided, as well as criteria for classification of the listing upon entry into the exchange, in order to provide a higher quality product to the public. Jim Mackie is the Manager of Listings at the Vancouver Stock Exchange and is experienced as a consulting geologist with a B.Sc. in Geological Engineering and an M.B.A. in Finance. P-9-012 Tracing Atomic Charged Gold Particles (47 min) $27.50 Using slides, graphs, and diagrams to detail a technique using radio tracers to evaluate gravity concentration processes, this research intensive presentation shows how to simplify sampling and increased confidence in statistical data by reducing sampling error. Dan Walsh, is an instructor at the University of Alaska with a B.Sc. in Mining, Engineering and a M.Sc. in Mineral Processing Engineering, and extensive research experience in recovery in placer mining. P-9-013 Mobile Concentrators In China (31 min) $27.50 A unique look into China, providing an overview of methods of processing and analysis of the recovery of gold, focusing on the internal development of mining methods and equipment and the importation and use of foreign technology. Includes problems and solutions encountered concentrating gold on site, and a brief look at recovery systems from around the world. Wang Wen-Qian is a University Professor in China, and author of over 100 papers, specializing in concentration systems. P-9-014 MDL Mining and Mineral Recovery Systems (17 min) $19.95 Provides background on mineral deposits' (MDL) design and manufacture of equipment and milling plants, and focuses on equipment used in the operation of a dredge, and touches briefly on the usefulness of the Gemeni Table. Kelly Dolphin is president of the Mines Company and has extensive knowledge of gold recovery in placer fields in Alaska and the Yukon. Kelly is now vice-president of Free Gold Recoveries in Alberta. P-9-015 Gold Losses That Are Not Due To Recovery Equipment (44 min) $27.50 An absorbing presentation that dispels many common myths about Placer Gold Recovery, and summarizes recent research indicating criteria vital to increasing recovery rates. Utilizing clear and informative graphs and diagrams, data from different recovery systems and placer deposits are analyzed, with some startling conclusions, and recommendations provided to increase efficiency up to 95%. Randy Clarkson is a registered Professional Mining Engineer of B.C. and the Yukon Territory. P-9-016 Winter Mining at Alaska's Valdez Creek (59 min) $27.50 A slide presentation and discussion summarizing problems and costs associated with operating a successful pit mine year-round in Alaska. An evaluation of local geology and sampling methods and results are related to phase planning and eventual gold recovery, citing numerous examples of innovative methods used to increase pay, enable gravel recovery, and conform to environmental impact standards. Lawrence Jackson is an expert in placer situations where overburden and waste poses major removal problems. P-9-017 Hard Rock Gravity Recovery (36 min) $27.50 Slides, graphics and schematics step through the mill operations at a hard rock mine, focusing on the gravity circuit, and methods used to increase gold recovery. Bill Muir is a Metallurgist with experience in mines in B.C. and the N.W.T. He is currently Mill Superintendent at the Blackdome Mine. P-9-018 Hard Rock Gravity Recovery (Campbell Mine) (30 min) $24.50 Slides and diagrams summarize milling operations at Placer Dome's Campbell Mine, a classic hard rock mine in Western Manitoba. Highlights methods tailored to the particular requirements of the mill and describes modernization of the process and how changes impacted the operations. John Frostiak is a metallurgist, with a B.Sc. in Mineral Processing with experience in mines operations around the world. P-9-019 Hard Rock Gravity Recovery Systems (30 min) $24.50 Focuses on efforts to increase recovery of gold utilizing a gravity circuit in a mill previously unequipped to capture free gold. Provides proof positive that retrofits of gravity circuits to mills doing custom processing can have a very short payback period. Doug Corsen started his after school career in 1978 as an equipment operator for Jack Cewe Ltd., where he remained until 1983 when he was promoted to project foreman, still with Jack Cewe Ltd. In 1987 he left to join Knelson International Sales, where he is the Sales and Technical Representative. P-9-021 The Ten Commandments in Placer Exploration and Operation (29 min) $24.50 Ron Stokes discusses do's and don'ts, focusing on evaluating testing methods. The relation of specific gravity and weigh scales, statistical patterns in assays, the importance of monitoring sluice feed, production measuring, stripping ratios, boulder factors, etc. Ron Stokes is a consulting engineer, who has specialized in exploration in Canada, Australia, Latin America and other parts of the world. He has mined gold, tin and diamonds in Australia, placer gold in Costa Rica, gold and diamonds in Guyana, Brazil and Liberia. Ron is the designated specialist in placer mining for the Professional Engineers Association of British Columbia and Chairman of the B.C. and Yukon Chamber of Mines' Placer Committee. P-9-022 Exploration Prospects For Buried Placers in the Caribou (30 min) $24.50 Results of visits to 40 sites in Caribou mining district. Work included detailing stratigraphic and sedimentalogic characteristics of exposed sediments. How to find deeply buried placers and provide information for exploration and geologic evaluation. Vic Levson has a M.Sc. in Geology from University of Alberta. His graduate research was on the sedimentology, stratigraphy and depositional history of alluvial fan and glacial deposits in the Jasper region of the Canadian Rockies. His work experience includes the Geological Survey of Canada, the Yukon Exploration and Geological Services Division, and geological consulting. P-9-023 New Methods Used to Detect a Pre-glacial Buried Channel (45 min) $27.50 Illustrations of types of information used in merging remote sensing data and the types of geological data used. Ted Reimchen graduated with a M.Sc. in geology from University of Alberta in 1968. He has authored and co-authored 29 publications ranging from geology maps for governments to papers on the detection of minerals by remote sensing techniques. He has developed placer prospects in the Caribou, Indian River in the Yukon and southern Costa Rica. P-9-024 Realities Of The Placer Industry (28 min) $24.50 An overview of Exploration, Sampling, Development and Mining, including some of the risks and rewards of placer mining. Michael Philpot graduated with a B.Sc. in geology from U.B.C. in 1987. Having managed exploration projects for Bema Industries and Queenstake Resources, he is presently President of Canadian Gravity Recovery Inc., specializing as a consultant in gravity concentration. P-9-025 Gravity Recovery Systems as Utilized in South African Gold Mines (35 min) $27.50 An overview and history of gold deposits, their characteristics and - most importantly - methods of extraction, in South Africa. The presentation includes types of equipment used, such as the McKelvey concentrator, the Johnson drum, and the plane table. Bernard Barlin was born and educated in South Africa, receiving his B.Sc. in engineering from the University of Witwatersrand. "Bunny" Barlin has been published regularly in major mining periodicals since 1953. He was employed for 31 years with the Anglo American Corporation and 9 years with Hudson Bay Mining and Smelting. P-9-026 Gold Analysis: Myths, Frauds and Truths (29 min) $24.50 What do we have to do to get decent analyses of gold deposits? Illustration of how the variation of particle size and abundance is related to sample representation. How large a sample do we need to get a decent assay? Charts and diagrams. G. Poling holds a B.Sc., a M.Sc. and a Ph.D. in mineral processing. He has had experience in research for Texaco in N.Y., in the uranium industry in Eldorado and in the copper industry in Zambia. He was head of the mining department at the University of British Columbia from 1978-1986. P-9-028 State of the Art Knelson Concentrators (31 min) $27.50 Discussion and illustration of two aspects of the machine's application: (1) hardrock and placer and (2) tailings reclamation. Developed 10 years ago, the concentrator is presently exported to 39 countries. It received Canadas' 1987 Export Award of Excellence. Doug Corsan started his after school career in 1978 as an equipment operator and later project foreman for Jack Cewe Ltd. In 1987, he became Sales and Technical Representative for Knelson International Sales Inc. P-9-029 American Balanced Jigs (22 min) $24.50 A personal account of a successful jig operation recovering 70% of 60-mesh gold. Discusses variables of water flow and feed speed, volume, gauge settings, clay vs. gravel, etc. "If it works, don't change it." P-9-031 New Dimension Metallurgy For the Nineties (27 min) $24.50 Description of a refining method, using a chlorination technique with 4 reactors to extract 4/9 pure gold and silver bullion from jewelry scrap. K.C. Marsden is a professional engineer and former president of Lien Metals Inc., a company devoted to developing a metallurgical extraction and purification process for various forms of tantalum and niobium. Currently, he is Manager of Dakota International Inc., building an ilmenite benefication plant in Madras, India. P-9-032 The Use of Radiotracers to Assess Sluice Box Efficiency (51 min) $27.50 Results of two years of testing 6 placer mines using conventional tailings sampling technology and 11 mines using nuclear activated gold particles. Demonstrates why sluice boxes are still the most cost-efficient recovery devices. Analysis of the workings of a sluice box, examining the effects of tilting and spacing riffles to increase recovery as well as the effects of screening on radio tracing. Randy Clarkson, a registered Professional Mining Engineer, has over 12 years of diversified experience in mining engineering and hydraulics at several locations in western Canada. He has been involved in many phases of the industry from a deep hole placer drilling and sampling program to supervision of the Yukon Placer Materials Handling and Waste Water Treatment program. He is currently president of New Era Engineering Corp., a consulting firm specializing in placer and underground mining and small scale hydro-electric development. P-9-033 The AFT and BP Flotation System as Designed For Placer Operations (25 min) $24.50 An overview of AFT, its history (started up by Gulf & Western in the late 70s'), the basis of the technology, a description of the recovery system patented in 1981. Francis Roberts has fifteen years of experience in the technical, marketing and administrative areas of the mining industry of North America and England. He is currently the Project Manager for AFT Inc., for non-coal mineral activities and has been the primary technical director for the British Columbia placer operation. P-9-034 How to Develop a Placer Prospect into a Mine or How to Steer Away From Things that will break you (49 min) $27.50 Discussion (no visuals) of the advantages and limitations of gravity over seismic surveying, sampling for grade, drilling, analysing dimensions of deposits and claim boundaries. David Genn has over 30 years of experience in the place mining industry. P-9-035 The Falcon Concentrator Utilized in Fine Gold Recovery Systems (37 min) $24.50 Using three case studies in both hardrock and placer, the inventory of the Falcon Concentrator explains the centrifugal concentrator technology used in 150-mesh free gold recovery, including installation and power and space requirements. Steve McAlister received a B.Sc. in Civil Engineering from Queen's PRICES ARE IN US DOLLARS. PLEASE ADD $4.00 PER ITEM FOR SHIPPING COST SEND ORDERS TO A M PRODUCTIONS INC., 48 EAST 6TH AVENUE, VANCOUVER, BC, CANADA V5T 1J4 PHONE (604) 875-9927, FAX (604) 875-9971, E-MAIL: mining@amproductions.com