underground mining methods types of mineral deposit

Mines Minerals Idaho Geological Survey

Knowledge of minerals mined, mining methods and processing techniques, rock types, and fault distributions must be known in detail for risk assessments and development of reclamation plans However, accurate information on many of the old mines is in danger of being lost without funding for data preservation

PDF Underground mining Methods ResearchGate

Longwall mining is a highly mechaniz ed underground mining sys tem for mining coal It set of longwall mining equipment consists of a coal shear er mounted on convey or operating

Mining : What is Mining? What are the 4 mining methods

Sub surface mining can be classified according to the type of shafts used, the method of extraction or the technique used to reach the deposit Drift mining uses horizontal access tunnels, diagonally sloping access shafts are used by slope mining, and shaft mining

Mining Methods: Block Caving Geology for Investors

Jan 10, 2019 Block gravity caving is a bulk underground mining method, which allows large low grade deposits to be mined underground This method involves undermining the orebody to make it collapse under its own weight into a series of chambers from which the ore extracted

Digging deeper: Mining methods explained Anglo American

The underground mining methods we use include room and pillar, narrow vein stoping and large scale mechanised mining Room and pillar mining is a style of mining where tunnels are driven in a chess board pattern with massive square pillars between them

Types of Mining Methods Sell Side Handbook

Mar 09, 2018 A highly productive underground mining method, longwall mining is used in a large horizontal spread of thin bedded deposits of uniform thickness usually ranging from 0 6m to 1m Used a lot by South African gold mining companies, this method can be used in both soft and hard rocks as the working area along the mining

Underground Mining Methods New Pacific Metals

Jul 21, 2016 Underground mining is the process of extracting minerals and ores that are located too far underground to be mined efficiently using surface mining methods The primary objective of underground mining is to extract ore safely and economically while minimizing handling of waste rock Typically, underground mine has less environmental impact

How do we extract minerals? USGS

The primary methods used to extract minerals from the ground are: Underground mining Surface open pit mining Placer mining The location and shape of the deposit, strength of the rock, ore grade, mining costs, and current market price of the commodity are some of the determining factors for selecting which mining method to use

10 Different Types of Mining Operations and Mines

Types of Mining Block Caving Block caving is a general term and usually has to do with a mass mining system that relies on gravity to extract the ore deposits A thin horizontal layer at the mining level of

Types of Drilling Methods used in Mining Boring Mining

In this article we will discuss about the types of drilling methods used in mining The types are: 1 Percussive Drilling 2 Rotary Drilling Method # 1 Percussive Drilling: In this method which is the oldest one of drilling, the hole is drilled by striking a number at short in intervals on the rock by a chisel type tool and between the blows

Mining Projects: Exploitation Phase Methods of Mining

Jul 17, 2016 The strategy for conducting the exploitation stage of mining should be clear as mineral production begins The cardinal rule of exploitation is to select a mining method that matches the unique characteristics natural, physical, geologic, social, political, etc of the mineral deposit being mined, subject to the requirements of safety, mineral processing, and the environment, to yield the

Types of Surface Mining American Mine Services

This type of mining makes sense when the mineral is near the surface If the ore is too far under the surface, the process of strip mining becomes impractical and needlessly damaging to the terrain Two types of strip mining

Mining techniques for companies surface, underground

Mining Techniques is divided into two types: surface mining and underground mining Mining targets are divided into two categories of materials: placer deposits and lode deposits If a mineral is stable

Extraction of Resources Geology

Both types of ore deposit, placer or lode, are mined by both surface and underground methods Some mining, including much of the rare earth elements and uranium mining, is done by less common methods, such as in situ leaching: this technique involves digging neither at the surface nor underground

Underground Mining Methods and Equipment

1 Underground Mining Methods 1 1 Classification of Underground Mining Methods Mineral production in which all extracting operations are conducted beneath the ground surface is termed underground mining Underground mining methods are usually employed when the depth of the deposit and/or the waste to ore ratio stripping ratio are too great

Mining : What is Mining? What are the 4 mining methods

Sub surface mining can be classified according to the type of shafts used, the method of extraction or the technique used to reach the deposit Drift mining uses horizontal access tunnels, diagonally sloping access shafts are used by slope mining, and shaft mining uses vertical access shafts

Mining : What is Mining? What are the 4 mining methods

Sub surface mining can be classified according to the type of shafts used, the method of extraction or the technique used to reach the deposit Drift mining uses horizontal access tunnels, diagonally sloping access shafts are used by slope mining, and shaft mining uses vertical access shafts

10 Different Types of Mining Operations and Mines

The primary methods used to extract minerals from the ground are: Underground mining Surface open pit mining Placer mining The location and shape of the deposit, strength of the rock, ore grade, mining costs, and current market price of the commodity are some of the determining factors for selecting which mining method to use

Mining of Mineral Deposits

Mining of Mineral Deposits focuses on the following topics: results of new equipment introduction experiments on mutual interaction of roof support elements, protective construction, and near the contour rock massif analytical and calculation methods of geomechanical tasks solution development of gas hydrates and technologies of underground

Ten technologies with the power to transform mining

Mining is being increasingly carried out underground as open pits near the end of their mining life and new ore bodies are increasingly being identified deep underground Constructing underground mines with the use of conventional shaft and tunnel boring machines, however, has proved to be technically challenging, expensive and sluggish

Types of Surface Mining American Mine Services

This type of mining makes sense when the mineral is near the surface If the ore is too far under the surface, the process of strip mining becomes impractical and needlessly damaging to the terrain Two types of strip mining exist, depending on the amount of

Types of Mine Waste and Disposal Methods EDDY Pump

For example, gangue and tailings from mining heavy metals could have a high concentration of sulfides which could cause acid rock drainage to occur Due to the many variables, mining operations will need to develop their own methods of waste disposal in accordance with regulations pertaining to different types of waste they produce

Mining Techniques Geology for Investors

Jan 10, 2019 Once a potentially economic mineral deposit has been found many different challenges face the company preparing to open a mine One of the most important factors in determining whether a deposit can be economically extracted is the type of mine that will be required Figure 1: Examples of the two main categories of mining

A Brief Introduction to the Types of Surface Mining Methods

These surface mining methods are considered to be more efficient and economical in extracting minerals as compared to most methods of underground mining In fact, it can extract almost 90 of ore from a deposit For this reason, surface mining is the most widely used method in North America

Types of Surface Mining American Mine Services

Why Choose Surface Mining?Strip MiningOpen Pit MiningMountaintop RemovalDredgingHighwall MiningSurface mining is often the preference for mining companies This is because removing the terrain surface, or overburden, to access the mineral beneath is often more cost effective than gouging tunnels and subterranean shafts to access minerals underground This method is often considered safer, as well, and doesnt require extensive electricity rigging and water piping See more on americanmineservices com

Underground mining hard rock

OverviewMine accessDevelopment mining vs production miningVentilationGround supportStope and retreat vs stope and fillMining methodsOre removal

Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds or rubies Soft rock mining refers to excavation of softer minerals such as salt, coal, or oil sands

Here are the Types of Underground Mining and Their

Jul 26, 2019 The basic mineral component in copper ores is copper minerals, iron ore minerals of iron, etc Usually ores from one deposit have only one basic useful component, although it is not uncommon that there can be two or three basic useful components Mostly those are minerals of lead and zinc, that is, minerals of copper, lead and zinc