Strip mining Britannica

Strip mining, removal of soil and rock (overburden) above a layer or seam (particularly coal), followed by the removal of the exposed mineral. The common strip mining techniques are classified as area mining or contour mining on the basis of the deposit geometry and type. The cycle of operations for both techniques consists of vegetation clearing, soil removal, drilling and blasting of overburden (if needed), stripping

Get Price

Surface mining planning and design of open pit mining

Jan 09, 20160183;32;Sometimes the preliminary stripping of the waste overburden is contracted to firms specializing in earthmoving. Mining is usually done by track mounted electric shovels in the large operations, and by rubber tired diesel front end loaders in the smaller operations.

Get Price

Strip mining Britannica

Strip mining, removal of soil and rock (overburden) above a layer or seam (particularly coal), followed by the removal of the exposed mineral. The common strip mining techniques are classified as area mining or contour mining on the basis of the deposit geometry and type. The cycle of operations for

Get Price

Overburden Removal Surface Mining SlideShare

Jul 21, 20170183;32;Overburden Removal Surface Mining 1. 6.3 Overburden Removal GEORGE E. AIKEN JOHN W. GUNNETT GENERAL OVERVIEW Any evaluation of a specific need for overburden removal requires that the engineer first be aware of the various des ignations ofoverburden, the state of the art removal systems, and methods to transport these materials to permanent dep osition areas.

Get Price

IFRIC 20 Stripping Costs in the Production Phase of a

Aug 26, 20100183;32;In surface mining operations, entities may find it necessary to remove mine waste materials ('overburden') to gain access to mineral ore deposits. This waste removal activity is known as 'stripping'. There can be two benefits accruing to the entity from the stripping

Get Price

INTERIOR VIEW, LOOKING EAST, DRAGLINE STRIPPING OVERBURDEN

INTERIOR VIEW, LOOKING EAST, DRAGLINE STRIPPING OVERBURDEN. Drummond Coal Company Cedrum Mine, 8750 Pit, County Road 124, Townley, Walker County, AL The pictures taken the mining communities in County Durham and Cumbria show how many of the miners relaxed in their time off from their work underground.

Get Price

Stripping Ratios What are They and Why are They Important?

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 overburden, that must be moved in

Get Price

stripping overburden line mining thebathroomcompany.nl

stripping overburden line mining. Surface mining . 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

Get Price

IAS 16 Stripping costs in the production phase of a mine

IAS 16 Accounting for production phase stripping costs in the mining industry; 07 Jan 2010. The IFRIC discussed how to define the scope of its project on accounting for stripping costs in the production phase of a mine. IAS 16 Accounting for stripping costs in the production phase of a surface mine; 05 Nov 2009

Get Price

stripping overburden line mining thebathroomcompany.nl

stripping overburden line mining Surface mining 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.

Get Price

IFRIC 20 Stripping Costs in the Production Phase of a

Get Price

stripping overburden line mining amastuola

stripping overburden line mining SZM stripping overburden limestone mining bapan. Stripping Shovels are machines used to strip away the overburden that appears on the surface of minerals and hard materials that are being extracted for mining purposes.

Get Price

stripping overburden line mining mvorouteplanner.nl

stripping overburden line mining Surface mining 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.

Get Price

INTERIOR VIEW, LOOKING EAST, DRAGLINE STRIPPING OVERBURDEN

INTERIOR VIEW, LOOKING EAST TOWARD DRAGLINE WHICH IS STRIPPING OVERBURDEN AND RELOCATING IT TO THE OTHER SIDE OF THE PIT. IN LEDGE BELOW THIS OPERATION A FRONT END LOADER SCOOPS COAL INTO TRUCKS. Drummond Coal Company Cedrum Mine, 8750 Pit, County Road 124, Townley, Walker County, AL See more

Get Price

Overburden Stripping Health and Safety Authority

Overburden Stripping The operation of a quarry begins with stripping the overburden (the soil and subsoil above the bedrock). The overburden is stripped with an excavator, dragline, ripper, bulldozer, grader or other earthmoving equipment, and placed in large dump trucks.

Get Price

What Is A Drag Line? Phosphate Strip Mining Central Florida

Get Price

Stripping Overburden at US Silica, Lexington Mine YouTube

Nov 05, 20120183;32;Contour Mining amp; Construction stripping overburden at a US Silica mine in Lexington, SC. We utilized self loading scrapers for this project. Due to the material and the haul distance, this

Get Price

Surface mining

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.

Get Price

stripping overburden line mining doestpersonaltraining.nl

Stripping Overburden Line Mining; Stripping Overburden Limestone Mining , oil sands is actually mined from an open pit below several meters of overburden Strip mining is the mining of a relatively flat deposit very close to the surface, commonly used in coal or phosphate industri

Get Price

Overburden stripping works 171;Mining Encyclopedia187;

The mining capital overburden stripping works are performed at various stages during the development of the deposit. There belong to these works the overburden stripping works, which are associated with the removal of the overburden rocks, and with the extraction of the useful minerals along the way, which are performed at the open pit mine

Get Price

The economics of extended pre strip stripping

2013 Coal Operators Conference The University of Wollongong 14 15 February 2013 355 THE ECONOMICS OF EXTENDED PRE STRIP STRIPPING Retief Nel1and Mehmet S Kizil ABSTRACT Waste stripping involves the most costly processes for any given open cut coal mining operation, As such, it is fundamentally important to optimise material scheduling and the sequences

Get Price

Blasting overburden to access coal in a strip mine YouTube

Feb 18, 20170183;32;An example of blasting used to remove overburden to access coal to be strip mined. Filmed on Feb 17, 2017 near Hazleton, Pa.

Get Price

IFRIC 20, policy for deferred stripping costs, mining

The process of removing overburden and waste materials is referred to as stripping. During the development of a mine (or, in some instances, pit; see below), before production commences, stripping costs related to a component of an orebody are capitalised as part of the cost of construction of the mine (or pit) and are subsequently amortised over the life of the mine (or pit) on a units of production basis.

Get Price

Surface Coal Mining Methods in Australia

2. Open cut mining methods strip mining Large scale open cut coal mining operations commenced in Australia in mid 1960s and since then there has been significan t developments in this method of mining. The mines are now operating at significantly higher annual tonnages, growing deeper, more complex and

Get Price