mining of narrow steeply dipping vein

Chrysalix RoboValley Fund Invests in Novamera Inc

Novamera Inc is a venture backed start up that is developing an innovative technology and process to mine gold, copper or other ore from steeply dipping, narrow vein deposits that

Equipment Mobile mechanical vein miner hecla mining com

mine consists of weak, heavily foliated argillites and stronger, bedded silty argillites termed siltite The vertical veins 80° to 85° dip are parallel to the foliation with an approximate width of around 3 m 10 ft There are two regional, vertical faults that parallel the vein

A feasibility study on confinement effect on blasting

Dec 01, 2018 The sublevel open stoping bench stoping is used to extract the steeply dipping narrow vein in Jinchanggouliang Gold Mine Stope heights are 13 m with lengths of 30 m along strike The

mining of narrow steeply dipping veins Hard Pressed Café

Mining of Narrow Steeply Dipping Veins Mining of Narrow Steeply Dipping Veins By B E Hall1 Introduction Most of the equipment used in the narrow vein mining seen by narrow vein mining

Choice of Method Welcome to the Narrow Vein Mining Project

Diamond drilling and vein exposure interpretations indicated steeply dipping ore structures varying from 70 degrees to vertical The vein width averages 2 45 m 8 ft Assuming that good ground conditions, as observed in the existing opening, would prevail throughout the planned veining area, mine design has been based on the use of shrinkage

Silvercorp Metals Inc Mining 101

Narrow Vein Mining Methods Shrinkage Stoping There are several mining methods that can be used for narrow, steeply dipping veins like those at our Ying and GC operations The most cost effective narrow vein mining

SMD Technology Mysite

Novamera, with the help of Memorial University of Newfoundland in St Johns MUN, created Sustainable Mining by Drilling, a viable solution to address mining steeply dipping narrow vein deposits by augmenting existing directional drilling equipment and ground penetrating radar technology with innovative improvements geared toward the mining

steeply dipping definition English

The highest grade orebody in the Dome mine is a steeply dipping 500 m long, 550 m high, and 3 5 m wide banded quartz fuchsite vein QFV accompanied by subsidiary veins in the

Anaconda Mining partners in innovative narrow vein mining

Federal and Provincial funding will offset the technical and financial risks of developing and optimizing a Narrow Vein Mining system for use in steeply dipping narrow gold veins If successfully developed, this technology has the potential to be used for similar mineral properties owned by Anaconda and other gold deposits throughout Atlantic

Major Mines Projects Nzema Mine

The Bokrobo deposit is situated on the Nkroful mining license, 3 2 kilometres south southeast of Adamus and comprises generally north south trending, steeply west dipping auriferous quartz veins

Narrow Steeply Dipping Veins

Mining of Narrow Steeply Dipping Veins AMC Reference Library 2 Figure 1 ASARCO INC Galena unit narrow cut and fill mining Mucking is by scraper with the winch mounted in the central raise timbering, or moved forward to a remote cribbed pass For the first six sets up from the sill, the two outer compartments of

PDF Underground mining Methods ResearchGate

Figure shows stoping a narrow vein mining orebodies may be only half a meter wide It is a method of shorthole mining used in steeply dipping or It is pr eferr ed for orebodies with

Rockridge hits 6 metres of 28 g/t gold at mining com

Apr 29, 2020 The quartz veins are hosted in a steeply dipping alteration zone dominated by intermediate volcanic rocks, and high grade intervals have occurred in an upper zone of increased vein

Anaconda Mining partners in innovative narrow vein mining

Federal and Provincial funding will offset the technical and financial risks of developing and optimizing a Narrow Vein Mining system for use in steeply dipping narrow gold veins If successfully

Lecture 4: Underground Mining

Nov 02, 2011Ń Stull stoping Stull stoping is a common method of to mine vertical ore bodies or steeply dipping ore bodies because the stopes become long narrow near vertical spaces, which, if one reaches the surface is known as a Gunnis or Coffen Stull stoping is a form of stoping used in hardrock mining

Major Mines Projects Clavos Mine

Vein / narrow vein Summary: Gold mineralization occurs in a series of quartz and quartz carbonate veins which are interpreted from the drilling as being steeply dipping and east west striking, roughly parallel to the Porcupine Destor Fault Zone PDFZ

Mining Ventilation and lighting Britannica

Mining steeply dipping deposits Many vein type deposits are not flat lying but, because of the way they were emplaced or distortions that have taken place, are found in various vertical or

Thermal Fragmentation as a Possible, Viable, Alternative

In currently used mining methods, blasting techniques often causes dilution of valuable ore and results in costly processing requirements In the context of narrow vein mining of thin and highly concentrated orebodies there is a need of a mining method that can reduce dilution in order to remain economically viable This research project explored the viability of a new mining

Challenges Faced by Narrow Vein Graphite Mining and

Description Carbon rich graphite deposits found in Sri Lanka are of inorganic origin and they occur as narrow steeply dipping veins The vein width of these deposits varies from a few centimetres to metres, with an average vein

Challenges Faced by Narrow Vein Graphite Mining and

Description Carbon rich graphite deposits found in Sri Lanka are of inorganic origin and they occur as narrow steeply dipping veins The vein width of these deposits varies from a few centimetres to metres, with an average vein

BOLTER: Fletcher machine suited for narrow stopes

Jul 02, 2014 HUNTINGTON, West Xinhaiia Mining narrow veins in underground gold mines is a capital intensive business, and high production costs can quickly dissolve profits in a time of falling metal prices Similar machines are being used to install side support in narrow headings and stopes in steeply dipping

Gold: Anaconda targeting narrow veins with RD project

Jun 26, 2017 Anaconda Mining Inc , is pleased to announce the commencement of a research and development project to develop, prototype and optimize a new technology to mine steeply dipping narrow gold veins, that cannot be mined cost effectively with existing technologies

Major Mines Projects Clavos Mine

Vein / narrow vein Summary: Gold mineralization occurs in a series of quartz and quartz carbonate veins which are interpreted from the drilling as being steeply dipping and east west striking, roughly

US6857706B2 Mining method for steeply dipping ore bodies

The present invention relates generally to mining valuable mineral and/or metal deposits and specifically to mining steeply dipping valuable mineral and/or metal deposits BACKGROUND OF THE INVENTION Considerable amounts of valuable metals are contained in steeply dipping ore bodies, particularly narrow vein

mining of narrow steeply dipping veins Hard Pressed Café

Mining of Narrow Steeply Dipping Veins Mining of Narrow Steeply Dipping Veins By B E Hall1 Introduction Most of the equipment used in the narrow vein mining seen by narrow vein mining equipment Whether transporting ore or backfilling stopes, the RDH 100D provides excellent load handling capability in a powerful, compact design

US20030173819A1 Mining method for steeply dipping ore

Considerable amounts of valuable metals are contained in steeply dipping ore bodies, particularly narrow vein deposits Such ore bodies typically have a dip of about 35° or more and more typically of

PDF Narrow vein mining A challenge to the operator

Jan 01, 1997 Narrow vein mining A challenge to the operator South west England is a classic tin province with steeply dipping, endo and exo granitic veins,

US6857706B2 Mining method for steeply dipping ore bodies

The present invention relates generally to mining valuable mineral and/or metal deposits and specifically to mining steeply dipping valuable mineral and/or metal deposits BACKGROUND OF THE INVENTION Considerable amounts of valuable metals are contained in steeply dipping ore bodies, particularly narrow vein

Anaconda Mining ready to disrupt narrow vein mining sector

The companys technology focused subsidiary thinks a combination of drilling and imaging techniques already proven in the oil gas industry will provide the technical and economical means to mine the steeply dipping narrow vein mineralisation at the deposit

Paper: Suitability of the overhand cut and fill mining

Abstract: Vein type carbon rich graphite deposits found in Sri Lanka occur in metamorphic rocks as narrow steeply dipping veins These graphite deposits are mined by underground mining, mostly by applying the overhand cutandfill method Graphite mining at Bogala mines, Sri Lanka, is a unique example of narrow vein mining

stopes for narrow vein vertical mining methods

stopes for narrow vein vertical mining methods Designed specifically for use in narrow vein, steeply dipping ore bodies, Deswik ASD quickly generates detailed stope shapes that are

Anaconda investigates narrow vein tech Mining Magazine

Federal and provincial funding will offset the technical and financial risks of developing and optimising a narrow vein mining system for use in steeply dipping narrow gold veins If successfully

Silvercorp Metals Inc Mining 101

Narrow Vein Mining Methods Shrinkage Stoping There are several mining methods that can be used for narrow, steeply dipping veins like those at our Ying and GC operations The most cost effective narrow vein mining technique is shrinkage stoping This approach allows the development of large stopes, thereby reducing the amount of development

Anaconda, Newfoundland university partner Mining Weekly

Anaconda, Newfoundland university partner to study new ways to mine steeply dipping narrow gold veins 22nd June 2017 By: Henry Lazenby Creamer Media Deputy Editor: North America