Hardrock mining generates large volumes of mining waste because of the high wastetoproduct ratios associated with producing most ores. Mineral processing metallurgy rules of thumb 911 metallurgist. Read online hard rock miner s handbook book pdf free download link book now. Splitters, the granularity of the a typical mining area with irregularities at each end, and a regular. Additionally, mines with ramp access require a satellite shop complimenting the main surface shop when the mean mining depth reaches 200 m. Sme mineral processing handbook pdf download kaseo heavy. There are many rules of thumb for matching hole diameter to bench height, including charts such as the one shown below. Consequently, mining industry experts initially compiled and published many rules of thumb, which we delivered at mining conventions across north america. Blasters training modules module 4 blasthole drilling.
The economic analysis of the use of explosives is an important part of blasting operations in mining and construction. The shaded area in this chart shows the appropriate range of blasthole. Explosives are energy, and the efficient use of this energy is a major factor in keeping rock blasting. Pflbyd3 cw b x s x h 27 scaled distance sd distance to structure divided by square root of the. A perspective relating to history of the nevada boomtowns is an easy example. Back break rock broken beyond the limits of the last row. Long before science and engineering evolved, rules of.
The hard rock miners singalong, vancouver, british columbia. Gravity separation is desirable for larger particles. When underground daily mine production exceeds 5000 tonnes. And wed like readers input on these rules of thumb and tricks of the trade. 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. Analytical applications of electricity consumption estimates. The cost benefit of conveyors is generally seen as tonnages increase and the haul distance to the plant increases. Mcintosh redpath engineering is actively seeking contributions to expand the rules of thumb list. Your thumb pressed on a 200scale map covers 100,000 tons of ore per bench height assumed to be 50 feet. Mar 03, 2017 i see no commentary from anyone saying hard rock regulations do not affect them. Here is a list of rules of thumb often used in rock crushing and around crushers. There are hard rock underground mines, and there are soft rock underground mines. This site is like a library, use search box in the widget to get ebook that you want.
Sep 04, 2012 this handbook offers the value of rule of thumb, tricks of the trade, case histories and example problems. Stantecs vern evans on the evolution and future of shaft sinking. 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. Hard rock miners handbook body pdf book manual free. Ground ore is directed to a series of froth flotation cells in which hydrophobic copper sulfides stantec inc. Search for library items search for lists search for contacts search for a library. The hardrock truth about abandoned mines in the western. Hard rock miners handbook body pdf book manual free download. The most important element of sustainability in mining is that we stay in business. The hard rock miners handbook is available in cd format july 2003 and hardcopy. Clean metallic gold particles free gold finer than 200 microns 65 mesh float readily with appropriate reagents.
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. This chapter is intended to provide some useful data for the hard rock miner while avoiding details of implementation. This handbook offers the value of rule of thumb, tricks of the trade, case histories and example problems. 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. Mcintosh engineering, 2003 hard rock mines and mining 314 pages. Powder factor pf powder per hole divided by rock volume per hole. 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. Hardrock underground mining how underground mining. The development of a gyratory crusher model was achieved in the following three main stages. Hard rock miners handbook wikipedia republished wiki 2. 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. 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.
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. Chapter 1 exploration geology and ore reserves rule. Hard rock miners handbook wikimili, the free encyclopedia. When designing the flotation circuit for a proposed mill, the scaleup factor for flotation retention times obtained. Hard rock miners handbook body pdf book online select one of servers for direct link.
Hard rock miners handbook edition 3 originally published by mcintosh. Rock crushing rule of thumb mineral processing amp. 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. 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. Blast design rules of thumb office of surface mining. Chapter 8 blast design figure 82 staggered pattern figure 83 sing. 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. Janet flinn, hard rock mining s handbook of stantec consulting ltd. 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. 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. Click download or read online button to get hard rock miners handbook book now.
As a general rule, hard rock roller bits should be used at much slower speeds and higher bit. Rules of thumb and comparable data are often sufficient to provide immediate answers and to begin the problem solving process. Gold deposits live in igneous or metamorphic rock, which is relatively hard, as do diamonds, copper, silver, nickel and zinc source. 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. Handbooks have long been used in our industry as the principal source of information for the solution of daytoday problems.
The selection of materials is an essential task in mechanical design processes. This ruleofthumb led to a number of seriously underdesigned pillars in some. Stantec gratefully acknowledges everyone who contributed to the development of the hard rock miners handbook. 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. Lecture overview introduction pit geometry interaction deposit geometry design and management overall process interaction of distinct operations machinery drill rigs, loaders, excavators etc. There are over 23000 abandoned mine openings from activity pre1970, in the state of colorado alone. The goal is to give nonengineering personnel an appreciation of the volume of rock failures and their implications. Download hard rock miners handbook body book pdf free download link or read online here in pdf. As we all know, for most speculators and investors the past few years in the mining and exploration sector have been disastrous. Powder factors typical powder factors used in mass blasts rules of thumb rock type pf kgm3 hard 0.
Prospecting targets are not that hard to find but then it takes money and effort to advance a prospect into something of value. Design of crown pillar thickness using finite element method and multivariate regression analysis. University of rizona mining and geological engineering rock excavation mne 415 515. Hard rock miners handbook 2008 stantec consulting ltd. Hard rock miners handbook download ebook pdf, epub, tuebl, mobi. Here is a list of rules of thumb often used in froth flotation. At first glance they resemble squiggles of ink left by worms crawling on the surface.
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. For a hard rock mine application below 600 tonneshour, select a jaw as the primary crusher. 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. Hard rock miners handbook edition 3 originally published by mcintosh engineering in june 2003 now stantec. These include crater blasting, sulfur blasts, drilling equipment and drill patterns. University of rizona mining and geological engineering. Application of rock mass classification and blastability. Rules of thumb used in mass blasts rock type 3pf kgm hard 0. 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. The hard rock miner s handbook is a reference book that deals with the underground hard rock mining industry. Read online hard rock miners handbook body book pdf free download link book now. 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.
In 1891, the royal commission on mineral resources in ontario, canada stated that we had been mining by rules of thumb for long enough. Hardrock mining is a largescale industrial activity that takes place in the natural environment, potentially disturbing large amounts of material and land area. All books are in clear copy here, and all files are secure so dont worry about it. Take a look at the plot maps of rhyolite, goldfield or tonopah. 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. Empirical design rules generally require only very limited rock mass data, and are. Geotechnical engineering calculations and rules of thumb. 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. Australian centre for geomechanics conference paper. The first edition was published in 2000 by mcintosh engineering, a mining engineering consulting company. Coal deposits, for instance, live in relatively soft sedimentary rock.
Many people are listed as contributors of specific rules of thumb or tricks of the trade. Download hard rock miner s handbook book pdf free download link or read online here in pdf. Rules of thumb and comparable data are often sufficient to provide immediate, approximate answers to kickstart the problem solving process. Design of crown pillar thickness using finite element. Crusher selection for a hard rock mine application below 600 tonneshour, select a jaw as the primary crusher. Gyratory crusher model and impact parameters related to. 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.
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