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Canada
Bradshaw Project

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 Location:
32 km NE from Timmins, Ontario, Canada

  Project Contacts:
115 Jubilee Avenue East
Timmins
Ontario, Canada
P4N 5W4
Phone  ...  Subscription required
Fax705.267.1886
EmailEmail
WebsiteWeb
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Overview

StageConstruction
Mine TypeUnderground
Commodities
  • Gold
Mining Method
  • Longitudinal stoping
  • Cemented backfill
Mine Life8 years (as of Jan 1, 2015)
Gowest started underground development at the Bradshaw mine site on May 11, 2017, when the first blast was executed at the portal, which is located at the east side of the outcrop.

As of October 2021, Gowest:
Completed over 2,098 metres of underground development:
* Developed three levels at 30, 45 and 60 metre level.
* Initiated silling; ready to develop stopes.

28,567 tonnes of development material stockpiled on surface is being sorted and processed at Redstone mill.

Signed toll-milling agreement with Northern Sun.

Received 1,500 TPD Production Permit.

The Company requires additional funding to meet its operational objectives and is working with interested parties who are reviewing both short term and long-term financing opportunities in order to complete the bulk sample and advance towards commercial production.
Latest NewsGowest Secures $25 Million Investment     January 26, 2023


Owners

 
CompanyInterestOwnership
Gowest Gold Ltd. 100 % Direct

Contractors

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Deposit Type

  • VMS
  • Vein / narrow vein


Summary:

The sulphide enrichment gold deposit model best describes the mineralization of the Bradshaw Deposit.

The sulphide enrichment deposit model is characterized by a dominance of sulphide minerals over quartz veins, and is localized in shear zones adjacent to rheologically differing mafic to ultramafic volcanic rocks of tholeiitic petrochemistry. Mineralization typically comprises native gold associated with disseminated to massive arsenopyrite and vein hosted pyrite and arsenopyrite in silicified chloritic and sericitic schists, within a broad zone of potassium metasomatism and wall rock sulphidation (disseminated pyrrhotite and pyrite). Carbonatization of the wall rocks is a less conspicuous feature than silicification. Pervasive silicification and silicate alteration minerals developed within the shear zone consists of quartz, albite, chlorite, actinolite, tourmaline and amorphous carbon, suggesting a dominance of silicic and potassic alteration.

The Bradshaw Deposit comprises a geological Main Zone and several lesser Hanging Wall Zones. Gold mineralization in the Main Zone occurs primarily within a fractured and brecciated altered horizon previously interpreted as a shear zone in hanging wall basaltic flow rocks at or near the contact with steeply north-dipping (85°) footwall ultramafic rocks to the south.

Within the geological Main Zone, higher-grade gold mineralization is localized along the footwall of the horizon, termed the MZ1 Zone (pre ........


Mining Methods

  • Longitudinal stoping
  • Cemented backfill


Summary:

The Bradshaw Deposit is comprised of 8 steeply dipping (60-85 degrees) zones with a nominal thickness of 2-3 metres/zone and an overall strike length of 1,000 metres. The various ore zones are intermittent and discontinuous across the deposit, however, have continuity as sub economic mineralized sulphide horizons that can be followed along strike and down dip.

The longitudinal longhole (blasthole) stoping with unconsolidated and cemented crushed rockfill (waste rejects from the sorter) has been selected as the primary mining method. This will allow the level development to occur within the mineral wireframes, and any development connecting the various ore zones (which is below the cut-off grade) will be stockpiled as mixed development material at the entrance of the portal. This material will be later be put through the ore sorter in order to concentrate any potential gold material before sending to the mill.

Sublevels have been designed at 30 metre vertical intervals (floor to floor) compared to 20 metres in order to reduce development costs. On each sublevel, the deposit will be accessed from the centre and developed east and west along strike to a minimum size of 4 metres by 4 metres (allow travel of 6 yds LHDs). In most cases, an overcut and undercut will be developed to mine the deposit, but in some instances, only an undercut will be developed, followed by longhole uppers including inverse raising. Longitudinal mining will retreat from the outer l ........


Crushing and Grinding


Processing

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Summary:

- subscription is required.


Projected Production:

CommodityUnitsLOM
Gold oz 284,129

Operational Metrics:

Metrics
Daily milling capacity 900 t of ore *
Daily ore mining rate 675 t *
Waste tonnes, LOM 1,378,283 t *
Ore tonnes mined, LOM 1,787,295 t *
Total tonnes mined, LOM 3,165,578 t *
* According to 2015 study.

Reserves at June 15, 2015:

CategoryTonnage CommodityGradeContained Metal
Probable 1,787,295 t Gold 4.82 g/t 277,101 oz
Indicated 2,121,866 t Gold 6.19 g/t 422,059 oz
Inferred 3,629,097 t Gold 6.47 g/t 754,553 oz

Commodity Production Costs:

CommodityUnitsAverage
Assumed price Gold CAD 1,500 / oz *  
* According to 2015 study / presentation.

Operating Costs:

Units2015
UG mining costs ($/t mined) CAD 29.9 *
UG mining costs ($/t milled) CAD  ......  Subscription required
Processing costs ($/t milled) CAD  ......  Subscription required
Total operating costs ($/t milled) CAD  ......  Subscription required
* According to 2015 study.
Subscription required - Subscription is required.

2015 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M CAD  ......  Subscription required
Sustaining CapEx $M CAD  ......  Subscription required
Closure costs $M CAD  ......  Subscription required
Total CapEx $M CAD  ......  Subscription required
UG OpEx $M CAD  ......  Subscription required
Processing OpEx $M CAD 43.6
Refining costs $M CAD  ......  Subscription required
Transportation (haulage) costs $M CAD 6.2
Total OpEx $M CAD  ......  Subscription required
Gross revenue (LOM) $M CAD  ......  Subscription required
Pre-tax NPV @ 5% $M CAD  ......  Subscription required
After-tax NPV @ 5% $M CAD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
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Proposed Heavy Mobile Equipment as of July 15, 2015:
HME TypeSizeQuantity
Drill (long hole) ....................... Subscription required
....................... Subscription required ....................... Subscription required
....................... Subscription required ....................... Subscription required ....................... Subscription required
....................... Subscription required ....................... Subscription required ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameEmailProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 6, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Apr 6, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
Pre-Feasibility Study Report 2015
Pre-Feasibility Study Report 2015
Year-end Mineral Reserves 2015
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News:

NewsDate
Gowest Secures $25 Million Investment January 26, 2023

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