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OPEN PIT MINING THROUGH UNDERGROUND WORKINGS

OPEN PIT MINING THROUGH UNDERGROUND WORKINGS 1.0 INTRODUCTION A number of open pit mines in Western Australia (WA) are mining orebodies that have previously been mined by underground methods. There are hazards with high risk potential which develop where open pit mines approach and then progressively mine through underground workings.

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Mining Through Underground Workings in Fimiston Open

The pit area has been continuously worked since 1893, predominantly by underground mining methods and more recently through open cut mining. There are over 2000 km of old mine headings and numerous stopes under the open pit area. KCGM has interpreted and digitised the underground mine plans and stope sections into a common database.

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Risk Management Strategies for Open Pit Mining Through

Underground mining in gold, base metals and coal deposits has occurred for centuries, and even millennia in some parts of the world. The mechanization of mining and economic appeal of open pit...

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(PDF) Stability and access implications of open pit mining

In addition, anticipated interactions of the pit shell with underground mine workings must be closely evaluated to maintain a safe working environment. Using illustrative examples, this paper...

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Open Pit Mining Through Underground Workings

OPEN PIT MINING THROUGH UNDERGROUND WORKINGS,OPEN PIT MINING THROUGH UNDERGROUND WORKINGS 1.0 INTRODUCTION A number of open pit mines in Western Australia (WA) are Read more. open pits through underground. Mining Through Underground Workings in Fimiston Open Pit The pit area has been continuously worked since 1893, predominantly by underground mining

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UNDERGROUND WORKINGS DETECTION AT THE FIMISTON OPEN PIT

Fimiston Open Pit is now mining through a dense network of underground development workings with open and filled stopes of varying sizes. Figure 1 is a photo taken from the pit showing some open and filled stopes intersecting with pit slope. . Figure 1. Open and filled stopes intersecting with pit slope (the batter is 20 m high). There are over 2000 km of old mine headings and numerous stopes

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open pit mining through underground workings

open pit mining through underground workings is manufactured from Shanghai Xuanshi,It is the main mineral processing solutions. XSM stone crushing machine project-open pit mining through underground workings. ShangHai XSM (open pit mining through underground workings) are a professional production of stone crushing machine.Sales and Widely used in Europe, South America,

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Mining Through Underground Workings in Fimiston

The pit area has been continuously worked since 1893, predominantly by underground mining methods and more recently through open cut mining. There are over 2000 km of old mine headings and numerous stopes under the open pit area. KCGM has interpreted and digitised the underground mine plans and stope sections into a common database. A 2D-model software package, called Pits, was

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open pit mining through underground workings

open pit mining through underground workings. Digging deeper Mining methods explained Anglo American . The entry from the surface to an underground mine may be through a horizontal or vertical tunnel known as an adit shaft or decline. Underground mining is practical when The ore body is too deep to mine profitably by open pit. The grades or quality of the orebody are high enough to cover

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underground mining through open pit,

OPEN PIT MINING THROUGH UNDERGROUND WORKINGS. 2020-7-15 OPEN PIT MINING THROUGH UNDERGROUND WORKINGS 1.0 INTRODUCTION A number of open pit mines in Western Australia (WA) are mining orebodies that have previously been mined by underground methods. There are hazards with high risk potential which develop where open pit mines approach and then progressively mine through underground workings

Get Price

Open Pit Mining Through Underground Workings

OPEN PIT MINING THROUGH UNDERGROUND WORKINGS,OPEN PIT MINING THROUGH UNDERGROUND WORKINGS 1.0 INTRODUCTION A number of open pit mines in Western Australia (WA) are Read more. open pits through underground. Mining Through Underground Workings in Fimiston Open Pit The pit area has been continuously worked since 1893, predominantly by underground mining

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open pit mining through underground workings

open pit mining through underground workings Department of This guideline primarily addresses hazards associated with open pit mining through abandoned underground mine workings. Some of the additional hazards Get Quote. Mining Engineering, GPS, December 2004 (PDF, 1121.69 KB) Dec 22, 2004 MINING ENGINEERING DECEMBER 2004 21 closed the underground workings and

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Mining Milling Open Pit Guidelines

Open pit mining through underground workings guideline: This guideline offers advice on the issues that should be addressed when open pit mines are excavated through abandoned underground workings, or in close proximity to current underground workings. Personnel access to heavy mining machinery guideine 125 K b.

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Method of ventilation open-pit and underground mining

Method of ventilation open-pit and underground workings, including fresh air in mining production through the main fan, characterized in that the ventilation in the career carried out by a combination of non-isothermal free jets that create career fans with electric and convective flows, which create hydrogen by the steam generators with electrolyzers, decadent career water, while the supply

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North East Openpit mining over West old workings

Old and current underground mine workings beneath openpit mining operations may include large stope voids and an extensive network of tunnels that pose a ground collapse potential. Voids may have been previously mined close to the new pit floor, leaving only a small pillar that has fretted away over time, significantly enlarging the void.

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