overview of open cast mine and underground mine

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difference between underground and open cast mining

difference between open cast mining and underground mining , underground mining Underground Mining is generally used for areas where the mineral seam is too far underground for open cut mining to be of use A tunnel, called a decline, is created to allow workers and machinery to reach the location of the minerals...

THE ANALYSIS OF FATAL ACCIDENTS IN INDIAN COAL MINES

underground mines, the Indian open cast mines are shown to be at least as hazardous to the workers as the Indian underground min Analysis of the accident rates is made via a few regression models involving the effects of working shifts, the various companies, the types of mine, manshift and production The...

UNIT OPERATIONS OF MINING

Underground, these usually include roof support, ventilation and air-conditioning, power supply, pumping, maintenance, lighting, communications, and delivery of compressed air, water, and supplies to the working sections In surface mining, the primary auxiliary operations include those providing slope stability, pumping, power supply ....

What are the advantages of open

Answer 1 of 2 Open-cast mining has several advantages compared to underground mining, these are - Open-cast allows for high tonnages to be moved hence economies scale Safe as workers are not working under disturbed roof Open-cast trucks have higher payload hence more economical M....

Impact of Mining Activity on Water Resource An Overview ,

Acid mine drainage may be released from any part of the mine where sulfides are exposed to air and water, including waste rock piles, tailings, open pits,underground tunnels, and leach pads...

Open Cast Mining Advantages

23-02-2018 0183 32 Open Cast Mining Advantag In the previous topic, we saw which are some of the advantages that can make the surface open pit mining methods superior method compared to the underground mining However, underground mining has its own advantag And finally, ,...

Impact of Mining on Ground and Surface Waters

Impact of Mining on Ground and Surface Waters By HN KARMAKAR1, PK DAS2 1Central Mine Planning and Design Institute Ltd, RI-II, Koyla Bhawan Complex, Dhanbad-826005, Bihar, India 2Central Ground Water Board, 24 Kharvel Nagar, Unit-III, Janpath, Bhubaneswar ,...

Operating Cost for Miners SRK Consulting

Opening a new mine or expanding an existing operation can be a challenging and daunting task Aside from assessing and evaluating social-environmental concerns and designing the mining and material movement approach, the first question often asked is, how much will it cost us to mine? This may need to be determined even before you decide that there is a potential project...

Open Pit Mining IntechOpen

17-02-2021 0183 32 Open pit mining method is one of the surface mining methods that has a traditional cone-shaped excavation and is usually employed to exploit a near-surface, nonselective and low-grade zones deposits It often results in high productivity and requires large capital investments, low operating costs, and good safety conditions The main topics that will be discussed in this ,...

PDF AN OVERVIEW OF MINING METHODS

05-02-2016 0183 32 open pit and open cast strip mining ,and aqueous methods such as placer and solution m ining The open pit mining is a mechanical extrac tion method in This method, any thick deposit is mined in...

Rehabilitation of Open Pit Mines

16-05-2011 0183 32 Mining Philippines 2010 State of the Art of Open Pit Mine Rehabilitation Major activities of open pit mine rehabilitation 1 Removal of structures, wastes, PAF materials 2 Earthworks, recontouring, and revegetation 3 Lake filling bmp Rehabilitation of Open Pit Min...

i Mechanical excavation methods such as Open

1 Mining Methods Traditional mining methods fall into two broad categories based on locale surface or underground 1 Surface mining includes i Mechanical excavation methods such as Open-pit and Strip mining ii Aqueous methods such as placer and solution mining 2 Underground mining is usually classified in three categories of methods ....

Opencast Mining

What is the difference between opencast underground mining? - Lea,...

Advantages and disadvantages of open pit mining

What is open pit mining Open pit mines are those mining operations that take place on the surface , unlike the underground min This is possible when the reservoir sprouts on the surface or at a very small depth It began to be realized in the middle of the XVI century and it is used all over the world...

DESIGN OF STABLE SLOPE FOR OPENCAST MINES

11 Overview Slope stability analysis forms an integral part of the opencast mining operations during the life cycle of the project In Indian mining conditions, slope design guidelines are yet to be formulated for different types of mining practices and there is a growing need to develop such guidelines for maintaining safety and productivity...

Estimation of Open Cut Mining Recovery and Mining Dilution ,

Estimation of Open Cut Mining Recovery and Mining Dilution By Kent Bannister, ARMIT, FAusIMM CP , CEO Kent Bannister Pty Ltd, KBPL Summary Loss and dilution of Mineral Resource grade occurs during mining activiti Mining Recovery and Mining Dilution estimates are a required consideration in the reporting of Ore Reserves for mineral projects...

Geotechnical considerations open pit audit guide

Geotechnical considerations open pit audit - guide Page 3 of 28 1 Mine planning and design Mine planning and design Point Standard Guideline 11 Senior mine management has demonstrated a clear understanding and commitment to address the geotechnical issues in open pit mining using sound geotechnical engineering practice Intent...

Open Pit Mining

Shown in Fig 88 is an open-pit mine used to explain the process of mining the oil shale The overburden is drilled and blasted loose over an area above the oil shale zone and the load is then transported to a disposal area Once the shale beds are exposed from the blasting, the shale is then drilled and blasted and then extracted from the pit...

OPEN PIT MINING THROUGH UNDERGROUND WORKINGS

OPEN PIT MINING THROUGH UNDERGROUND WORKINGS 10 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...

Surface Mining Methods and Equipment

11Classification of Surface Mining Methods 12 Open Pit vs Underground Mining Methods 13 Open Pit Mining 14 Open Cast Mining 15 Placer Mining 16 Solution Mining 2 Surface Mining Machinery Glossary Bibliography Biographical Sketches Summary This chapter deals with surface mining Section 1 presents an overview of surface mining...

Underground Mining vs Surface Mining, What Are Their ,

23-03-2021 0183 32 Open-pit mining Open-pit Opencast mining is a method of extracting rock or minerals from the ground by removing them from an open-air pit, also known as a borrower Open-pit mining is the most economical solution for a company...

Opencast Mining

In case of open cast mining there will be complete loss of agricultural land and deforestation in and around the pit Underground mining uses limited surface land for the entry system and infrastructure development In either situation, adequate compensation is provided to the landowners by cash, employment and rehabilitation...

Open Pit Mining

Open pit mining refers to mining directly on the ground surface, thereby producing an open pit This method is practical and cost-effective when the uranium ore is located near the surface eg, within 100 m Underground mining and ISL methods may be considered for sites that have uranium ores at deeper depths...