Metallurgical content crusher selection crusher design crusher installationcrusher coststhe crushers rock breakersarea of application here is a list of rules of thumb often used in rock crushing and around crushers. Hard rock miners handbook rules of thumb the attached booklet, hard rock miners hand book rules of thumb is an extraction of 680 mining rules of thumb contained in the hard rock miners handbook edition 3 published by mcintosh engineering in june 2003. Hard rock miners handbook body pdf book manual free download. Hard rock miners handbook 2008 stantec consulting ltd ii acknowledgments stantec gratefully acknowledges everyone who contributed to the development of the hard rock miners handbook many people are listed as contributors of specific rules of thumb or tricks of the trade learn more. Hard rock miners handbook body pdf book online select one of servers for direct link. Splitters, the granularity of the a typical mining area with irregularities at each end, and a regular. As a result, excerpts of the hard rock miners handbook consisting of an abridged version of the rules of thumb were previously published and delivered at mining conventions in the usa and canada. Coal deposits, for instance, live in relatively soft sedimentary rock. For mines with ramp or shaft access, the hard rock miners handbook states that as a rule of thumb, a main underground shop is only required when the mean mining depth of the operation is below 500 m. University of rizona mining and geological engineering rock excavation mne 415 515. University of rizona mining and geological engineering. Here is a list of rules of thumb often used in froth flotation. The hard rock miners handbook is a reference book that deals with the. I was just curious if people think tunneling into solid rock would, in their minds, be thought of as hard rock mining or lode mining.
For mines with ramp or shaft access, the hard rock miners handbook states that as a rule of thumb, a main underground shop is only required. Gyratory crusher model and impact parameters related to. Mcintosh redpath engineering is actively seeking contributions to expand the rules of thumb list. Read online hard rock miners handbook body book pdf free download link book now. When designing the flotation circuit for a proposed mill, the scaleup factor for flotation retention times obtained. And wed like readers input on these rules of thumb and tricks of the trade. Chapter 8 blast design figure 82 staggered pattern figure 83 sing. The hard rock miners handbook is a reference book that deals with the underground hard. When underground daily mine production exceeds 5000 tonnes. Rules of thumb and comparable data are often sufficient to provide immediate, approximate answers to kickstart the problem solving process.
The hard rock miners singalong, vancouver, british columbia. The objective of this research was to develop a mathematical model for gyratory crushers to help in the prediction of energy consumption and to analyze dominant parameters that affect this energy consumption. Consequently, mining industry experts initially compiled and published many rules of thumb, which we delivered at mining conventions across north america. Hard rock miners handbook edition 3 originally published by mcintosh engineering in june 2003 now stantec. The new mcintosh redpath column in mm will, month by month, focus on the rules of thumb and tricks of the trade as published in the hard rock miner s handbook. Here is a list of rules of thumb often used in rock crushing and around crushers.
Hardrock mining generates large volumes of mining waste because of the high wastetoproduct ratios associated with producing most ores. Geotechnical engineering calculations and rules of thumb. Many people are listed as contributors of specific rules of thumb or tricks of the trade. Lecture overview introduction pit geometry interaction deposit geometry design and management overall process interaction of distinct operations machinery drill rigs, loaders, excavators etc. This paper sets out to demonstrate the application of analytical decision making during mechanical design and, particularly, in selecting a suitable material for a given application. Pflbyd3 cw b x s x h 27 scaled distance sd distance to structure divided by square root of the.
Sep 04, 2012 this handbook offers the value of rule of thumb, tricks of the trade, case histories and example problems. Australian centre for geomechanics conference paper. Hardrock underground mining how underground mining. Metallurgical content crusher selection crusher design crusher installationcrusher coststhe crusher s rock breakersarea of application here is a list of rules of thumb often used in rock crushing and around crushers crusher selection for a hard rock mine application below 600 tonneshour, select a. Hard rock miners handbook 2008 stantec consulting ltd. Clean metallic gold particles free gold finer than 200 microns 65 mesh float readily with appropriate reagents. Long before science and engineering evolved, rules of. Stantec gratefully acknowledges everyone who contributed to the development of the hard rock miners handbook. This site is like a library, use search box in the widget to get ebook that you want. The shaded area in this chart shows the appropriate range of blasthole. The goal is to give nonengineering personnel an appreciation of the volume of rock failures and their implications.
Hard rock miners handbook edition 3 originally published by mcintosh. At first glance they resemble squiggles of ink left by worms crawling on the surface. In 1891, the royal commission on mineral resources in ontario, canada stated that we had been mining by rules of thumb for long enough. There are hard rock underground mines, and there are soft rock underground mines. Take a look at the plot maps of rhyolite, goldfield or tonopah.
Prospecting targets are not that hard to find but then it takes money and effort to advance a prospect into something of value. The information provided in the text is limited to certain aspects of blasting that are of particular concern in todays hard rock mines. Janet flinn, hard rock mining s handbook of stantec consulting ltd. Hard rock miners handbook download ebook pdf, epub, tuebl, mobi. Design of crown pillar thickness using finite element. Conventional rules of thumb are used to develop blast designs based on parametric ratios with insufficient consideration of the rock mass factors that influence the achievability of final wall. As we all know, for most speculators and investors the past few years in the mining and exploration sector have been disastrous.
Mar 03, 2017 i see no commentary from anyone saying hard rock regulations do not affect them. Men were shot while arguing over the same lode vs placer. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Blast design rules of thumb office of surface mining. Spacing 15 x hole diameter hard rock 20 x hole diameter soft rock burden 1.
Hard rock miners handbook wikipedia republished wiki 2. Empirical design rules generally require only very limited rock mass data, and are. The selection of materials is an essential task in mechanical design processes. Mcintosh engineering, 2003 hard rock mines and mining 314 pages. Hard rock miners handbook mcintosh engineering rules of thumb new contributions mcintosh engineering is actively seeking contributions to expand the rules of thumb list. Rules of thumb for junior mining speculators a light at the end of the tunnel by brent cook. The cost benefit of conveyors is generally seen as tonnages increase and the haul distance to the plant increases. This handbook offers the value of rule of thumb, tricks of the trade, case histories and example problems. Mineral processing metallurgy rules of thumb 911 metallurgist. Chapter 1 exploration geology and ore reserves rule. Rules of thumb used in mass blasts rock type 3pf kgm hard 0.
Hardrock mining is a largescale industrial activity that takes place in the natural environment, potentially disturbing large amounts of material and land area. Stantecs vern evans on the evolution and future of shaft sinking. Ground ore is directed to a series of froth flotation cells in which hydrophobic copper sulfides stantec inc. Crusher selection for a hard rock mine application below 600 tonneshour, select a jaw as the primary crusher. There are over 23000 abandoned mine openings from activity pre1970, in the state of colorado alone. Gold deposits live in igneous or metamorphic rock, which is relatively hard, as do diamonds, copper, silver, nickel and zinc source.
For a hard rock mine application below 600 tonneshour, select a jaw as the primary crusher. Gravity separation is desirable for larger particles. Handbooks have long been used in our industry as the principal source of information for the solution of daytoday problems. Hard rock miners handbook rules of thumb tricks of the trade case histories example problems long before science and engineering evolved, rules of thumb constituted the sole body of mining knowledge. Powder factor pf powder per hole divided by rock volume per hole. The study sought to establish the applicability of rock mass classification as a primary input to wall control blasting at a hard rock mine in botswana. Download hard rock miners handbook body book pdf free download link or read online here in pdf. The development of a gyratory crusher model was achieved in the following three main stages. Hard rock miners handbook body pdf book manual free. Geotechnical engineering calculations and rules of thumb details this manual offers geotechnical, civil and structural engineers a concise, easytounderstand approach with formulas and calculation methods used in soil and geotechnical engineering. General appraisal history from ancient times to now classifications by operation size by material by level of mechanization operation size huge operations 50 mio t and more big operations. The economic analysis of the use of explosives is an important part of blasting operations in mining and construction. Back break rock broken beyond the limits of the last row.
Download hard rock miner s handbook book pdf free download link or read online here in pdf. This chapter is intended to provide some useful data for the hard rock miner while avoiding details of implementation. Click download or read online button to get hard rock miners handbook book now. All books are in clear copy here, and all files are secure so dont worry about it. Search for library items search for lists search for contacts search for a library. Read online hard rock miner s handbook book pdf free download link book now. Application of rock mass classification and blastability.
Design of crown pillar thickness using finite element method and multivariate regression analysis. This ruleofthumb led to a number of seriously underdesigned pillars in some. The mcintosh engineering hard rock miners handbook provides several rules of thumb for when it is advantageous to use conveyors over haul trucks j, 2000. Additionally, mines with ramp access require a satellite shop complimenting the main surface shop when the mean mining depth reaches 200 m. Analytical applications of electricity consumption estimates. The hard rock miner s handbook is a reference book that deals with the underground hard rock mining industry.
Rules of thumb and comparable data are often sufficient to provide immediate answers and to begin the problem solving process. Kaolin small rock crushers in uk mining plant include kaolin crushing the first step of the kaolin quarry process is a primary crushing or shaping of the material. There are many rules of thumb for matching hole diameter to bench height, including charts such as the one shown below. Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds or rubies. The most important element of sustainability in mining is that we stay in business.
Hard rock miners handbook download ebook pdf, epub. Explosives are energy, and the efficient use of this energy is a major factor in keeping rock blasting. Sme mineral processing handbook pdf download kaseo heavy. The hardrock truth about abandoned mines in the western. Blasters training modules module 4 blasthole drilling. These include crater blasting, sulfur blasts, drilling equipment and drill patterns. Hard rock miner s handbook 2008 stantec consulting ltd ii acknowledgments stantec gratefully acknowledges everyone who contributed to the development of the hard rock miner s handbook many people are listed as contributors of specific rules of thumb or tricks of the trade. Hard rock miners handbook is a work of the heart jackwhose 40 year career spanned engineering construction and operation of mining projects worldwideconceived of and wrote the first edition of the handbook published in june 2000 to assist miners and engineers in the difficult world of hard rock. A perspective relating to history of the nevada boomtowns is an easy example.
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