Apr 02 2018 · Advantages and disadvantages of open pit mining Open pit mining is profitable when the deposit is not very deep or when the terrain is sandy or delicate so that underground mining is not possible Labor costs are lower both in excavation and transportation and allow the use of ...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan. If you are interested in these product, please contact us.
Feeding Size: 400-1200mm
Production Capacity: 45-500TPH
Applied Materials: Limestone, granite, basalt, andesite, iron ore, quartz, diabase, iron ore, gold ore, copper ore,etc.
Feeding Size: ≤25m
Product Fineness: 425-3250mesh
Warranty: 12 Months
Lift Height: 28-32.7m
Applied Material: Coal, cement, stone, sand, clay and ore
Voltage: 380V, 50HZ
Certificate: CE, ISO9001
Design: Rotary Die, Flat Die
Feeding Size: ≤25-≤100mm
Production Capacity: 5-100t/h
Applied Materials: River gravel, iron ore, limestone, quartz, granite and other medium or hard ores and rocks.
Cut and fill mining is a highly selective openstope mining method considered ideal for steeply dipping high grade deposits found in weak host rock Many variations of the general cut and fill technique exist however this article will focus on overhand cut and fillMore Details
Dec 08 2018 · 2 Boost business activities Mining results in the rise of business activities and the rise of per capita results in a higher human development index due to increased life expectancy and per capita income 3 Enormous earning Mining for exportation purposes results in high enormous earnings to people working in the mines and boost the financial sectorMore Details
Jan 17 2014 · Another benefit of mining is that it spurs technological development We can use some of the safety technologies developed for mining in other industries such as constructing deep underground subway tunnels water pipes and other structuresMore Details
Advantages of Underground Mining are It allows minerals to be extracted from deep underground It doesnt create a mess like open cut or surface mining Does not affect the physicalMore Details
4 Disadvantages of open pit mining However disadvantages when compared to Underground Mining also exist Very large amounts of waste rock are mined This creates costs as well as environmental issues with waste rock disposal Major disruption of surface pit footprint waste dumps High visual impact especially strip miningMore Details
Figure showing cut and fill mining method Remove or e in Shrinkage stoping Ascending method of mining Advantages and Disadvantages Vertical Crater Retreat stoping Introduction ApplicationMore Details
Jan 15 2018 · Opencast mining has several advantages compared to underground mining these areOpencast allows for high tonnages to be moved hence economies scale Safe as workers are not working under disturbed roof Opencast trucks have higher payload hence more economical Massive blasts can be take which allows for more efficient and cheaper rock breakingMore Details
Table of ContentsFactors Affecting Choice of MethodReview of Stoping MethodsUnderhand Stoping Mining MethodOverhand Stoping MethodLongitudinal Back FlatBack Mining MethodLongWall StopingmMining MethodRillCut Stoping MiningSawTooth Back StopingShrinkage StopingMining by Combination StopingSide StopingBreast StopingSublevel StopingSquareSet StopingFillingMore Details