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mineral processing of narrow steeply dipping veins

  • canadian journal of earth sciences

    the regional stratigraphy is dominated by ultramafic to felsic volcano sedimentary units and aluminous sedimentary strata that have undergone amphibolite grade regional metamorphism.the deposit is hosted by a narrow brittle–ductile shear zone striking northwest and dipping 45 °to the northeast.

  • apex mining company: masara gold project,

    the mineralised veins are nw se to wnw ese striking, moderately to steeply dipping structures developed in a left lateral shear stress field

  • fortune minerals silver mine presentation may

    15 geological systems in mine well understood & consist of narrow, steeply dipping high grade epithermal quartz carbonate veins with sulphide minerals mineralization consisting of tetrahedrite & freibergite (silver), gold, galena (lead), sphalerite (zinc), chalcopyrite (copper) & pyrite sharp contact with andesite tuff wall rock that does not

  • mining method for steeply dipping ore bodies

    · the present invention is directed to a mining method for steeply dipping orebodies. in the method, an excavator 152 is tethered to a deployment system 120 by one or more cables/umbilicals 144.the excavator 152 excavates slices 172a h of the orebody 100 by moving generally up dip, down dip or a combination thereof.the

  • university of saskatchewan

    geoe 498 2010 introduction to mining and mineral processing engineering note you must receive a grade of 50% or higher in at least one of the midterm or final exams in order to achieve a passing grade in this course.

  • gold mineral resources inventory update

    northwest and dip steeply to the east. the bulk of the mineralised veins lie adjacent to the western contact of a sheared sediment and plunge gently towards the northwest at approximately 40°.

  • antipa minerals : tim's dome ip survey identifies

    2 days ago· this 2002 survey demonstrated an excellent correlation between the known steeply dipping mineralised corridor and linear ip chargeability anomalies, thereby supporting the application of gaip across the broader tim's dome area.

  • pentland gold activex limited

    gold, copper and molybdenum mineralisation is hosted in breccia zones containing diorite fragments in a vuggy quartz sulphide matrix and steeply dipping, vuggy quartz galena sphalerite veins. there are many mineral occurrences in the tenement with four prospects currently under investigation at various stages in the exploration process.

  • feasibility study executive summary for the red

    mineralized zones consist of crudely tabular, northwesterly trending and moderately to steeply southwesterly dipping gold and silver bearing iron

  • narrow vein mining methods

    mining methods for s teeply dipping and massive deposits. of different mining methods in steeply dipping narrow vein deposits walls stability more details » get price narrow, near vertical vein mining methods sme

  • exhibit 99.2

    13.0 mineral processing & metallurgical testing in march of 2013, imii collected approximately 105 pounds of lower grade vein material from the u.p. and burlington mine property. due to the snow levels, this was the only material available at the time.

  • choice of method to the narrow vein

    diamond drilling and vein exposure interpretations indicated steeply dipping ore structures varying from 70 degrees to vertical. the process from that study is simple and could give very valuable information to evaluate the effect of converting to longhole mining. the mine was putting more emphasis on the narrow vein mining method.

  • antimony ore conveyor

    antimony mineral processing,antimony proportion of antimony ore is far greater than proportion of gangue, so it will be separated by using the method gravity technology of pipe belt conveyor. » get price

  • final report

    final report sunrise dam gold mine geological study project ore bodies within steeply dipping shear zones (summercloud, western shear zone, predator, watu). the dolly porphyry lode consists of narrow quartz sulphide veins in the dolly porphyry, constituting a fourth type of ore body the three dimensional architecture of the deposit

  • novo achieves targeted crush size for trial

    commonly used for comminution during mineral processing. after discussions between novo, rm and 888cse, the rm100go! was thought to be potentially capable of meeting an east west trending corridor of steeply dipping structures cutting the 2.9 billion year old mosquito creek formation and locally hosting high grade gold antimony veins.

  • eldorado gold provides lamaque exploration and

    "our new drilling at triangle confirms that the shear hosted vein systems and steeply plunging intrusions that control mineralization in the upper deposit persist to

  • structural setting, style and timing of vein hosted gold

    structural setting, style and timing of vein hosted gold mineralization at the pogo deposit, east central alaska. rare steeply dipping, narrow, pegmatite dykes cut across tight f2 folds. these also exhibit open f2 folds and contain weakly developed s2 foliation, suggesting that late syn d2 pegmatites occur in the area. or post mineral

  • study on resuing filling and wall caving method for

    study on resuing filling and wall caving method for inclined,extra narrow,soft and broken ore vein,based on wall caving,combining with the techniques of resuing filling and full mining method resuing filling and wall caving method was developed for the separated mining of the inclined,extra narrow,soft and broken ore vein.the results

  • technical report on the omagh gold

    the mineralised veins either north south or northwest southeast and are steeply dipping. mineralisation consists of quartz veins up to (and over) a metre wide with disseminated to massive auriferous sulphides, predominately pyrite and galena with some accessory arsenopyrite and

  • asx:psm 12 december 2016 high grade gold

    the channel samples were taken across narrow iron and manganese stained vein structures in and the outstanding opportunities for mineral discovery within south korea. peninsula's strategy is to mine is characterised by steeply dipping quartz sulphide vein shear structures hosted within biotitic granodiorite. at the

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