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Underground Mining Terms Flashcards | Quizlet

Shrinkage Stoping A mining method for narrow orebodies where no backfill is required during the stoping operation Successive horizontal slices of ore are taken along the length of the stope back and left in place to support the walls rocks and serves as a working floor for the next slice Ore is drawn from drawpoints at the bottom of the mine

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Pokémon Platinum - Sinnoh Underground - Serebiinet

The Top Left, Top Right, Bottom Left & Bottom Right specifically are cut off, only accessible from those areas in Sinnoh Once you leave the Underground, you will return to where you entered it Each area has items of various rarities up for trade from the hikers There have been very few changes in the Underground from DP into Platinum

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Mining terms explained: A to Z – Anglo American

We have launched YourVoice, a service which provides you with a confidential and secure way to tell us about your concerns

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The Underground - Bulbapedia, the community-driven Pokémon

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Top ten mining terms you should know – MININGCOM

Jul 28, 2014 · Here’s a list of ten interesting mining terms you might like to know, if you don’t already We’ve “mined” the nuggets on this list from social news site Reddit, where various

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Glossary of Mining Terms - rocksandminerals

Conventional mining — The first fully-mechanized underground mining method involving the insertion of explosives in a coal seam, the blasting of the seam, and the removal of the coal onto a conveyor or shuttle car by a loading machine

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Pokémon Platinum - Sinnoh Underground - Serebiinet

There are multiple different levels in the Flag Retrieval, the highest being the Platinum level, obtained by capturing 50 flags from your friend's bases If you have this ranking, you can remove all of the annoying rocks in your Secret Base Underground Man Next to the Pokémon Center in Eterna City is the man that gives you the Explore Kit

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Glossary of Mining Terms - rocksandminerals

Conventional mining — The first fully-mechanized underground mining method involving the insertion of explosives in a coal seam, the blasting of the seam, and the removal of the coal onto a conveyor or shuttle car by a loading machine

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Glossary of Mining Terminology - minersmuseum

Glossary of Mining Terminology After Damp - Gasses resulting from underground combustion, normally carbon monoxide This is a loose term implying any fatal gas in a mine after an explosion or fire Air Shaft - A vertical opening into a mine for the passage of air Airway - Any passage in a …

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Underground Mining Methods and Applications Production Headframe Hans Hamrin* 11 INTRODUCTION Ore is an economic concept It is defined as a concentration of minerals that can be exploited and turned into a saleable product to generate a financially acceptable profit under existing economic conditions The definition of ore calls for afterthoughts

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Top ten mining terms you should know – MININGCOM

Jul 28, 2014 · Bench: floor or ground anywhere underground 9 Back: the roof anywhere underground 8 Drift: what you would call a tunnel 7 Ramp: drift that runs from level down to other levels of a mine 6

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Mining - Underground mining | Britannica

Mining - Mining - Underground mining: When any ore body lies a considerable distance below the surface, the amount of waste that has to be removed in order to uncover the ore through surface mining becomes prohibitive, and underground techniques must be considered

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Glossary of Mining Terms – Legends of America

Glossary of Mining Terms Adit – An entrance to a mine, generally a horizontal tunnel Alluvial or Bench Deposits – An ancient river-washed rock and gravel bar that may be thousands of feet from the nearest stream, creek, or river Alluvial or bench deposits contain untapped potential for finding gold because such areas have never been worked

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Underground mining (hard rock) - Wikipedia

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 Soft rock mining refers to excavation of softer minerals such as salt, coal, or oil sands

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History of mining: five of the oldest mines still in operation

Sep 20, 2018 · Today, the mine has produced around 29mt of copper, as of 2007, and Chuqui is also a producer of molybdenum, which is used in the production of alloys Kiruna iron ore mine The Kiruna mine, located in Norrbotten County, Lapland, is the largest underground iron ore mine worldwide

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Edumine - Professional Development and Training for Mining

Edumine provides online courses, short courses and live webcasts in support of professional development and training for the mining industry

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Glossary of Mining Terms - Coal Education

Glossary of Mining Terms : Glossary of Mining Terms Back - The roof or upper part in any underground mining cavity Backfill – Mine waste or rock used to support the roof after coal removal Barren - Said of rock or vein material containing no minerals of value, and of strata without coal,

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OPTIMIZATION OF MECHANIZED MINING LAYOUT WITHIN …

Anglo American Platinum currently has underground mechanized mining methods at a small percentage of its mines These methods are: • Bord and pillar (18 m–22 m stope widths using low-profile (LP) mechanized equipment) • Breast mining (13 m stope width …

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INTRODUCTION TO MINING - cienciavivapt

and weapons By the New Stone Age,humans had progressed to underground mining in systematic openings 2 to 3 ft (06 to 09 m) in height and more than 30 ft (9m) in depth (Stoces,1954) However,the oldest known underground mine,a hematite mine at Bomvu Ridge,Swaziland(Gregory,1980),is from the Old Stone Age and believed to be about 40,000 years old

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Health and Safety Hazards : Mining Health, Safety and

Apr 15, 2015 · Underground mining, by its nature, presents a range of health and safety hazards that are different from those in other sectors Some hazards, such as ground instability, are inherent in the underground environment

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How Is Platinum Mined … History and Practices | Canada

There are six metallic elements called the Platinum Group Metals (pgm) which are platinum, palladium, rhodium, ruthenium, iridium and osmium These are all extracted during the mining process Because of the rarity of pgm and its tendency to combine with other metals, the mining process often yields far more nickel or copper than it does platinum

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Gold Mining Terms Glossary – Gold Bug Park

Gold Mining Terms Glossary adit – a horizontal or nearly horizontal underground passage coming to the surface at one end of a mine alluvial – of or pertaining to alluvium; alluvial soil alluvium – a deposit of sand, mud, etc, formed by flowing water assay – to analyze (an ore, alloy, etc) in order to determine the proportion of gold,

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Major Mines & Projects | Kroondal Mine

The platinum group minerals present in the UG-2 Reef are highly variable, but generally the UG 2 is characterised by the presence of abundant PGE sulfides, comprising predominantly laurite (RuOsIr sulfide), cooperite (PtS), braggite (Pt, Pd, NiS), and an unnamed PtRhCuS

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MTU Engines for Underground Mining - Modikwa Platinum Mine

Nov 12, 2012 · Modikwa Platinum Mine is located in the Limpopo province in South Africa It has been in operation since 2003 and lies in a lush, subtropical igneous complex that spans hundreds of …

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Glossary of Hardrock Mining Terms - miningquiz

DEFINITION OF HARDROCK MINING TERMS Adit - A level, horizontal drift or passage from the surface into a mine Borehole - A vertical or inclined hole, used for ventilation from one level to another, or to carry waterlines or electrical wires May be large enough for a man to …

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Refrigeration and cooling concepts for ultra-deep platinum

In general, for platinum mines, underground air cooler systems (and service water systems) will be served with chilled water from surface-located refrigeration machinery This is different from the ‘generic’ gold mine practice in terms of the hierarchy-with-depth framework In general, by the time significant underground air cooling systems are

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Mining Dictionary, Coal, Gold, Silver, Diamond, Iron Ore

Dictionary of Mining, Mineral, and Related Terms Acid Mine Water - Mine water that has free sulfuric acid, mostly due to the weathering of iron pyrites Active workings - Any place in a mine where miners are usually necessary to work or travel and which are ventilated and inspected frequently

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Mining operations – Impala Platinum

Implats’ five mining operations are Impala Platinum, Marula Platinum, Makwiro Platinum, Mimosa Platinum and the Crocodile River mine The acquisition of an increased stake in Zimplats,which holds 70% of Makwiro Platinum mine, and the offer to minority shareholders – and hence control by Implats – was announced in late June 2003 Impala Platinum

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Glossary of Mining Terms - Coal Education

Drift mine – An underground coal mine in which the entry or access is above water level and generally on the slope of a hill, driven horizontally into a coal seam Drill - A machine utilizing rotation, percussion (hammering), or a combination of both to make holes If the hole is much over 04m in diameter, the machine is called a borer

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Health and Safety Hazards : Mining Health, Safety and

Apr 15, 2015 · Underground mining, by its nature, presents a range of health and safety hazards that are different from those in other sectors Some hazards, such as ground instability, are inherent in the underground environment

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Glossary of coal mining terminology - Wikipedia

A bell pit was a type of coal mine in which coal found close to the surface was extracted by sinking a shaft and removing coal from around it until the roof became unstable It was then abandoned and left to subside Bituminous coal is a type of coal found in the most coalfields It is laid down in seams and varies in constituency and quality

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mining equipment used for platinum - mine-equipments

INTRODUCTION TO MINING mining is thus advised to become familiar with all the terms used in mining, particularly precious metals (gold, silver, the platinum group metals), and the radio- mining equipment , which extracts the softer minerals like coal without the use

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A long hole stoping system for mining narrow platinum reefs

A long hole stoping system for mining narrow platinum reefs Advantages of this mining method It allows for a low safety and health risk as well as improved working environment Physical work is reduced and it is easier to motivate the workforce Another advantage is the improvement in …

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Mining Terms Dictionary | The Diggings™

Dictionary of terms related to Mining, Mining, Claim, geography, maps, the Bureau of Land Management, and The Diggings™ Help Dictionary; Mining Terms Dictionary Dictionary of mining terms and mining claim survey, administration, and ownership references Mining Terms Beginning With: "A" Terms "B" Terms "C" Terms "D" Terms "E" Terms

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