key differences between open pit mining and underground mining

Mine dewatering techniques 1. MINE DEWATERING Dr Martin Preene Preene Groundwater Consulting June 2014 2. SYNOPSIS Synopsis • Water management for mining • Approaches to groundwater control • Examples of mine dewatering technology – Open pit – Underground – Shafts 3.

A quarry is the same thing as an open-pit mine from which minerals are extracted. The only non-trivial difference between the two is that open-pit mines that produce building materials and dimension stone are commonly referred to as quarries. underground mining-digging tunnels or shafts into the earth to reach buried ore deposits.

suitable for open pit mining methods which will also yield high production rates and low operating costs. Those open pit ... significant difference between sub-level caving and other caving techniques is that ... smaller scale and shorter mine lives – the key inputs will determine the value of …

what is the difference between an open pit mine a quarry and an …. Open-cast mining, shaft mining.quarrying….. can any one give …Aug 18, 2008 · … and later by underground methods. The Big hole… »More detailed

The differences between the many kinds of mines, especially open pit mines and underground mines, are many, and miners tend to prefer one over the …

It is a very popular method chosen when open pit mining activities are no longer economical and mines move to underground operations. The key to cost minimization when using this method is mechanization. Selection of the biggest equipment that the mine will permit allows for reduced total development in terms of drilling, and increased ...

Open Pit: Minerals are removed from a pot dug in the ground.Used where commercially useful minerals are found near the surface. Extracted using Earth moving machinery. Quarry: Minerals are removed from a shallow pit dug in the ground. Generally, used for extracting building materials like dimension stone. Extracted using Earth moving machinery .

The macro-micro mining response of the surrounding rock and overlying strata towards the transformation from open-pit to underground mining is examined in the present study, based on the engineering background of the Jinning phosphate mine (Yunnan Phosphate Chemical Group Co., Ltd.) via simulations involving similar materials, digital photographic measurement …

Open pit mining is usually done for those minerals which are lying close to the earth's surface.. Quarries are mines that are used to mine a deposit that lies at the earth's surface less difficulty or overburden.Minerals like limestone,gypsum are extracted like this.. Underground mines are used when minerals are deep beneath the earth's surface,a vertical opening in an underground mine is ...

The Difference Between Underground Mining And Surface Mining ... . These must be properly understood and used in the planning of any open pit operation. The following are the key items affecting the pit design: 1) Topography, 2) Geology, 3) Grade, 4) Localization of the mineralization, 5) Extent of the deposit, 6) Property boundaries, 7 ...

Differences between open pit and underground mining. -Higher productivity. – Greater concentration of operations and easier management of human and material resources. – High mechanization, there are no limitations for the size of the machines. -Flexibility to …

Open pit mining. Quarry. Underground mining with shaft. Done for those minerals which lie close to the surface of the earth. Used for mining minerals at shallow depths. Minerals which lie at great depths below the surface of the earth. Used where commercially useful minerals are …

Surface mining can be accomplished by the following main methods: Open-pit Mining: Removing ore to leave a crater. Quarrying: An open-pit mine for construction materials. Strip Mining: Ore is removed in parallel strips. Mountaintop Removal: Top of a mountain is blasted to remove deep ore. Dredging: Ore is removed from a river bottom. The main methods of underground mining are:

There are significant differences between open pit mines and underground mines in terms of implications for environmental management (see Table 3.3). One of the most significant differences is that open pit mines result in a larger area of surface disruption and tend to produce much larger volumes of waste rock than underground mines.

Our mining team has extensive experience in both underground and surface mine design as a result of the many projects we have completed throughout the world over a large range of commodity types. Our lead engineers have key operations experience holding positions such as VP of Operations, VP of Development, Mine Superintendent, Director of ...

Feb 06, 2016 · Difference between pit, mine and quarry. The pit is the hole in the ground and all it's associated tunnels and underground spaces. The mine is the pit, plus the buildings and operations above ground, such as repair shops, material processing conveyors and towers, and processing plants.

Open cast mining is the removal of rocks or sediments that contains minerals, with economically important elements. The advantages of open cast mining: • More cost effective, than shaft mining. • The working conditions are safe for miners, there is no risk of toxic gases or cave ins. • Trucks and mining machinery can move around freely.

Strip mining is done on the surface; underground mining is done below the surface. In strip mining, the ore is extracted from the surface in layers resulting in a deepening artificial valley. This is done when the ore is relatively near the surface. In underground mining, mine shafts are bored or dug from the surface to the underground layers where the ore is located, and ore extraction takes ...

A strip ratio, or stripping ratio, is an important measurement related to the open-pit mining process. It represents the amount of waste material, also known as …

Answer (1 of 4): To me as a mining engineer with many years experience in both types of mining, open cast mining means that the deposit is mined in a series of strips with the overburden from each successive strip moved or "cast" into the preceding strip. The method of moving the overburden can b...

Surface mining. Surface mining（ground mining） is a type of mining in which the soil and rock covering the mineral deposit are removed instead of underground mining, in which the overlying stones are left in place. Surface miner machine（surface mining machines） is essential. The surface mining process is very complicated.

Automating critical processes is vital to increasing operational efficiency and mine productivity while improving worker safety. To enable the digital applications that will deliver results for their operations, mining companies need pervasive and dependable wireless connectivity — both on the surface and underground.

Both open-cut and underground mining is used in modern mining. The approaches are different, and there are advantages to each. Open-cut mining. Opencut mining gets its name because that's exactly what this type of mining looks like, a big open pit. This type of mining allows for the extraction of minerals that aren't very far under the surface.

Surface mining, including strip mining, open-pit mining and mountaintop removal mining, is a broad category of mining in which soil and rock overlying the mineral deposit (the overburden) are removed, in contrast to underground mining, in which the overlying rock is left in place, and the mineral is removed through shafts or tunnels.. Surface mining began in the mid-16th century [dubious ...

because opencast mining doesnt require shafts and tunnels to be built unlike other approaches such as deep mining. it is on the surface so transportation costs from underground to ground level do ...

Transition from open-pit to underground – using Mixed Integer Programming considering grade uncertainty J.CHUNG1* 2, E. TOPAL and O.ERTEN3 1,2,3Department of Mining Engineering and Metallurgical Engineering –Western Australia School of Mines, Australia, [email protected] *presenting author Abstract

Continuous mining of metal deposits leads the overlying strata to move, deform, and collapse, which is particularly obvious when open-pit mining and underground mining are adjacent. Once the mining depth of the adjacent open-pit lags severely behind the underground, the ultimate underground mining depth needs to be studied before the surface deformation extends to the open …

what is the difference between an open pit mine a quarry ... Open-cast mining, shaft mining.quarrying….. can any one give … Aug 18, 2008 · … and later by underground methods.

Surveying in the mining industry, both in open-pit and underground mines, often goes hand in hand with terrestrial laser scanning (TLS), which is deployed to verify the spatial changes of mining works. Thanks to its high point density and high accuracy, TLS is a very suitable surveying technique for monitoring movements and deformations.

Figure 7.2.7: Key elements of an open pit mine. . Bench height (H): Vertical distance between upper and lower bench surface. Toe: Interior vertex formed by the intersection of the bench face and bench floor. Crest: Exterior vertex formed by the intersection of the bench floor and bench face. Bench width: The distance between the crest and the ...

influence on the mine economics than cost issues. Open pits are different from underground mines and some of the major differences between the two are summarized in Table II. This means that an open pit mine can generally be started in a relatively short time while most underground mines require several years of development prior to production.

Surface mining is a form of mining in which the soil and the rock covering the mineral deposits are removed. It is the other way of underground mining, in which the overlying rock is left behind, and the required mineral deposits are removed through shafts or tunnels.. Surface mining is basically employed when deposits of commercially viable minerals or rock are found closer to the surface ...

Learn more about open-pit mining. 2. Underground mining. Underground mining is used to extract ore from below the surface of the earth safely, economically and with as little waste as possible. The entry from the surface to an underground mine may be through a horizontal or vertical tunnel, known as an adit, shaft or decline.

Identify the differences between the two types of surface mines – open pits for ... about open pit and underground mining, including safety and environmental considerations. It also introduces students to a wide range of mining careers. ... A quarry is an open pit mine where bedrock is extracted and crushed into aggregate, used to make ...

Significant differences in relative Milling costs were found to exist between underground and open pit mines, and in Mining and G & A costs, between gold-only mines and all mines containing copper. No significant differences were found between relative costs on the basis of processing type or report type.