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What are your favourite rules of thumb for .

What are people's favorite rules of thumb for Mining?

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Mineral Processing / Metallurgy Rules of Thumb .

Dec 17, 2015 - Here is a list of General Rules of Thumb often used in Mineral Processing and Metallurgy: A concentrator (mill) requires up to 3 tons of water for each ton of ore processed. It is therefore important to operate with the maximum practical pulp density and minimum practical upward or horizontal movement. The basic philos.

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Integrated mine planning - AusIMM Bulletin

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Mining rate limitations. ... The floor of an open pit can be advanced quickly but, as a rule of thumb, the open pit production limit is around eight benches per year, or 80 m vertical advance using ten metre benches, though some very large pits and small, ...

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Rule Of Thumb | Definition of Rule Of Thumb by .

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Rule of thumb definition is - a method of procedure based on experience and common sense.

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Mineral Processing / Metallurgy Rules of Thumb .

Dec 17, 2015 - Here is a list of General Rules of Thumb often used in Mineral Processing and Metallurgy: A concentrator (mill) requires up to 3 tons of water for each ton of ore processed. It is therefore important to operate with the maximum practical pulp density and minimum practical upward or horizontal movement. The basic philos.

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Rules of Thumb for Geological Modeling | Mining .

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By: Erik Ronald, PG Mining Geology HQ 17-April-2017 This installment of the Rules of Thumb (RoT) series is focused on geological modeling. I'd like to share a list of what I feel are fundamental considerations for the successful creation of a robust and useful geological model. There is a .

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Rules of Thumb for Mineral Exploration Success | .

Rules of thumb from my years at Gold Fields Mining (US) during their incredibly productive years from 75 to 92: no copier and no electric pencil sharperns. Geologists should be .

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Nine rules for exploration success from the ... - .

Nine rules for exploration success from the world's best mine finder. ... I believe my mining engineering and mine production work has been very important in my exploration success.

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Design methodology for underground ring blasting

description of the prevailing geotechnical and mining conditions; and the likely impact of the designs to the remaining rock mass. A number of published design processes do not always consider these important aspects associated with ring blasting. Current practices are generally based on either rules of thumb or

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1ConfValue — a simple PoW confirmation rule-of .

Mining an alternate chain on a network demands resources, and if the financial gain does not present a return of investment to us, ... This is our final rule-of-thumb, ...

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FRAGMENTATION Break it better - Blast Movement

(as opposed to the old rule of thumb of six diameters). This means that that a blaster who Orica Mining Services showcased new blasting developments designed to improve productivity, efficiency, safety and environmental outcomes during AIMEX this month. "These innovative technologies can be tailored to the specific requirements of

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Rule of thumb - Idioms by The Free Dictionary

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Definition of rule of thumb in the Idioms Dictionary. rule of thumb phrase. What does rule of thumb expression mean? Definitions by the largest Idiom Dictionary.

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Estimating the Cost of a Feasibility Study for a .

The cost of preparing a feasibility study is notoriously difficult to estimate. Studies for mining projects are typically commenced when an exploration programme has identified a mineable resource and pre-feasibility studies have shown that development of the resource would lead to an economically viable project. Pre-feasibility studies will normally include an estimate of the cost...

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RULE OF THUMB | meaning in the Cambridge .

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rule of thumb definition: 1. a practical and approximate way of doing or measuring something: 2. a practical and approximate.. Learn more.

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Rule of thumb - definition of rule of thumb by .

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Define rule of thumb. rule of thumb synonyms, rule of thumb pronunciation, rule of thumb translation, English dictionary definition of rule of thumb. n. pl. rules of thumb A useful principle having wide application but not intended to be strictly accurate or reliable in every situation. n a.

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Data set size versus data dimension, is there a .

In this video by Caltech prof. Yaser Abu-Mostafa, he explains the relationship between dimension of a dataset and it's size required for any learning model to work.. As a general rule of thumb, size of dataset should be at-least about 10x it's dimension and should be independent of the model used. Also, this link has summaries from some of the relevant papers, viz.

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1.6: Association Rule Learning - Introduction and .

One of the earlier applications of association rule mining revealed that people buying beer often also bought diapers. So it's a rule taking one set of items implying another set of items. So this is one example of an association rule. Another association rule could be cheese and ham and bread implies butter.

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So, rule of thumb. When strip-mining for .

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11-6-2009 · So, rule of thumb. When strip-mining for netherite remember to not make the tunnels large enough for ghasts to spawn in...

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BLAST DESIGN RULES OF THUMB - Office of Surface Mining

BLAST DESIGN RULES OF THUMB (Given: Hole depth, Rock type, and Distance to structure) HOLE DIAMETER (d) = hole depth (H) divided by 5 to 10. d(in) = H(ft) / (5 to 10) (Typically 7) BURDEN (B) = 2 to 3 times the diameter. B(ft) = (2 to 3) X d (Typically 2.5 X d) SPACING (S) = 1 to 2 times ...

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Rule-of-thumb - Idioms by The Free Dictionary

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Definition of Rule-of-thumb in the Idioms Dictionary. Rule-of-thumb phrase. What does Rule-of-thumb expression mean? Definitions by the largest Idiom Dictionary. ... Rule-Based Data Mining; Rule-Based Engine; Rule-Based Error; rule-based expert system; rule-based expert system; Rule-Based Forecasting; Rule-Based Height Regulator;

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CostMine analysts investigate 4 rules of thumb .

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Rules of thumb are often used in the mining industry as methods of providing approximate answers for different portions of mining activities. But do these "rules" work? Are they outdated? To answer these questions, Costmine decided to focus on conveyor costs and the associated rules of thumb widely used in underground mining.

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