disadvantages of open pit mining

Advantages and disadvantages of open pit mining ~

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 large machinery .

The Advantages of Open Pit Mining Sciencing

Because an open pit mine is open to the air larger machinery can be used to operate the mine. This is a real advantage to mining companies who often use large trucks to carry debris away from the mine. According to Caterpillar Corporation the model 777 off road truck commonly use in open pit mines can carry a payload of 200,000 pounds.

Open Pit Mining Pros & Cons Sciencing

Open-pit mining is much safer than shaft mining. In underground mining, the threat of a cave-in or release of toxic gas is a constant concern. When shaft mining was the most common method of ore extraction, thousands died in cave-ins, gas events and accidents involving equipment. In 1907 alone, more than 3,200 deaths related to mining occurred. Today, with safer mining processes, such as open

Open Pit Mining Disadvantages Mineral Production

Mining Production Activities. 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 mining. After closure, rehabilitation may

What is a disadvantage for open pit mining Answers

An open pit mine is essentially a big hole in the ground. Dust is created in mining activities, and any moisture falling into the mine can dissolve minerals and convey them into ground water. The

What are the negative effects of open-cast mining? Quora

Depends on the nature of the orebody and mineral assemblage. 1. Huge hole left in the ground. It might be useful though for something. I.e hydro pumpstorage in Queensland 2. Acid generation and toxicity 3. Lower level access potentially for mining...

Disadvantages of Open-pit mining Answers

Disadvantages of Open-pit mining? Wiki User 2013-05-22 04:42:11 . it can take the life of humans as well as animals. Related Questions. Asked in Mining What are the disadvantages of mining iron

Open Cast Mining Advantages Mineral Processing &

In the previous topic, we stone 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 advantages. And finally, the ultimate decision to mine from the surface or from underground comes down to the specific characteristics of the deposit.

The many advantages of underground mining

Choosing between open-pit mining and underground mining is a decision that every mining company makes, but it is not based on the miner’s whim and predilection. Selection always depends on the geometry properties of the deposit, its position, location, and type. Generally, startup explorers and miners begin with open-pit mining because it is cheaper, easier, and safer.

What Are the Disadvantages of Opencast Mining?

Opencast mining, also known as surface mining or strip mining, has disadvantages that include disturbance of the environment and local ecosystems, exposure of radioactive elements and contamination of freshwater sources. The use of heavy machinery and blasting techniques also create environmental pollution. The presence of pits and ponds around mines contributes to groundwater

What is a proper disadvantage of mining? Quora

The wollastonite particles are mainly irregular in shape. The crystals are lamellar growth, and barium sulfate crystals are attached to the surface of the particles. The ore minerals are mainly wollastonite and a small amount of iron siliceous roc...

What are the pros and cons of subsurface mining? Quora

Advantages of underground mining: *less surface disturbance *less environmental disturbance *less waste mined per tonne of ore *ability to mine resources that are not economic as a surface mine *cheaper to set up mine development for deep ore depo...

placer mining advantages and disadvantages

Open pit mining -- or strip mining -- is an extraction process for ore or fossil fuels that takes place at the surface of a mining site Worldwide, 40 percent of mining occurs at the surface, according to Greenpeace International [24/7 online] gold mining advantages and disadvantages agemobe. gold mining advantages and disadvantag SUAMG Machinery is professional mineral processing

LECTURE -2|| OPENCAST AND UNDERGROUND MINING||

21/11/2018· In this video we talk about types of mining method and advantages and disadvantages of them. Do subscribe my channel if you think we are doing a great job. Like, comment and share our video as

Open Cut or Underground Mining Which is better?

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. The process keeps the activity from going deep underground. This has many advantages. Yet, it’s only viable when the materials are reachable after removing only a small layer from the

advantages and disadvantages on open pit mining

Nova Mining Wealthy Information for Healthy MiningThe basic concept behind making of Novamining website is to assimilate all relevant information of Indian mining industry at a single platform &advantages and disadvantages on open pit mining

The advantages of open pit mining eHow

(PDF) Mining Methods: Part I-Surface mining

Open-pit mine: Chuquicamata copper mine, Región de Antofagas ta, Chile Locality : Región de Ant ofagasta, C hile. Pit dimensions : 4.3 km long x 3 km wide x 850 m deep.

The exploitation of natural resources and the

The mining industry is able to guarantee constant public security during open-cast mining activities and to offer an effective after-use of the land when the mines are closed. The most important measures to that end are the building of secure slopes and tipping areas, the regulation of water quality and water balance, the creation of an attractive landscape and a balanced restoration oriented