Sublevel stoping..Underground mining methods

Sublevel Caving Technique - Free download as PDF File (.pdf) or read online for free. An underground mining method used in large, steeply dipping orebodies where the wall rock is of an incompetent nature. Parallel drives are developed in the ore on equally spaced levels. The ore is then drilled and blasted using longholes between levels, often in a circular or fan pattern, on …

Sub Level Stoping y Costos Asociados | Materiales ...

In sublevel stoping, shorter blastholes are drilled from sublevels located at shorter vertical intervals along the vertical stope. A fairly typical layout is shown in the figure. In vertical retreat mining the stope does not take the shape of a vertical slot. Instead, the trough serves ...

Sub level stoping - SlideShare

Sublevel stoping..Underground mining methods 1. Hassan Z. Harraz [email protected] 2014- 2015 This material is intended for use in lectures, presentations and as handouts to students, and is provided in Power point format so as to allow customization for the individual needs of course instructors.

Geotechnical Design for Sublevel Open Stoping, Villaescusa ...

TIPO DE CUERPO MINERALIZADO DESARROLLO VENTAJAS Y DESVENTAJAS • Intensivo en capital bastantes desarrollos antes de iniciar la producción • No selectivo • Ineficiente a bajas inclinaciones • Tronadura secundaria puede generar gases que vuelven al …

Sublevel stoping | Britannica

Sublevel stoping is a commonly used method in large scale mining. It is a versatile and productive method that is primarily used for large orebodies with a steep dip, regular shape and defined ore boundaries. There are different variations of the method depending on the shape of …

(PDF) Sublevel Stoping Underground Mining Methods

Two mining methods are proposed for the Romero deposit, sub-level long hole (LH) stoping and mechanized cut and fill (MCF). A combination of paste backfill and develop waste rock fill will be used in mining sequence. LH stoping will be used in areas of complete ground strength and generally thick Mineral Resources.

sub level stopping mining method ppt

Sub level stoping. Este mtodo se aplica preferentemente en yacimientos de forma tabular verticales o subverticales de gran espesor, por lo general superior a 10 m. Es deseable que los bordes o contactos del cuerpo mineralizados sean regulares.

Major Mines & Projects | Romero Project

sub-level open stoping and the design process followed. The objective here is to present a design methodology applicable to sublevel open stoping, but also to then bridge the gap between theory and practice by applying said methodology to an actual design example.

Considerations for Sublevel Open Stoping - OneMine

Definition of sublevel stoping. i. In this mining method, the ore is excavated in open stopes, retreating from one end of the stope toward the other. The orebody is developed first by a series of sublevel drifts above the main haulage level. The sublevels are connected by a starting raise at one end of the stope and by a passageway raise for ...

Major Mines & Projects | Freda Rebecca Mine

Sublevel stoping generally is a large-scale open stoping method. It sometimes is referred to as long-hole or blasthole stoping. This method usually is applied to strong ore bodies that require minimal support and are surrounded by strong country rock.

Sublevel Stoping | Edificio sustentable | Minería

Método de Explotación Subterránea: Sublevel stoping 1. MÉTODO DE EXPLOTACIÓN SUBTERRANEA: SUBLEVEL STOPING 1 Ing. Braulio Castillo Anyosa Perú, Mayo 2015 2. Introducción 2Underground Mining Methods - Sublevel Stoping INDICE 1. Características del Método. 2. Diseño del Método. 3. Desarrollo y preparación del Método. 4.

Sublevel Caving Mining Method - Newtrax Technologies Inc.

Sublevel Caving . Sublevel Caving is one of many different methods for underground hard rock mining. It is a large-scale mining method suitable for large ore bodies with a steep dip and a rock mass with a host rock in the hanging wall will fracture under controlled conditions.

Transverse longhole stoping - QueensMineDesignWiki

Stoping is the process of extracting the desired ore or other mineral from an underground mine, leaving behind an open space known as a stope. Stoping is used when the country rock is sufficiently strong not to collapse into the stope, although in most cases artificial support is …

SUB-LEVEL OPEN STOPING: DESIGN OF THE O640, L651 …

Sublevel Stoping. Principal mtodo de explotacin mediana minera Sublevel Stoping Principio: Este mtodo consiste en arrancar el mineral a partir de subniveles mediante disparos efectuados en planos verticales a los subniveles, los barrenos para efectuar la tronadura pueden ser paralelo en vetas angostas o en abanico (toda direccin) en el caso de vetas potentes, cuando la …

Sub-level open stoping - QueensMineDesignWiki

Sublevel stoping..Underground mining methods. Oct 22, 2014 Sublevel stoping..Underground mining methods 1. Hassan Z. Harraz [email protected] 2014- 2015 This material is intended for use in lectures, presentations and as handouts to students, and is provided in Power point format so as to allow customization for the individual needs of course instructors.

Sub-level stoping - Wassara

Sublevel open stoping: design of the O640, L651 and N659 sublevel open stopes in the 3000 orebody of the Mount Isa copper mines, Queensland, …


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