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Canada
Sleeping Giant Mine

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 Location:
63 km N from Amos, Quebec, Canada

  Project Contacts:
475 de l’Église Avenue
Rouyn-Noranda (Evain)
Quebec, Canada
J0Z 1Y1
Phone  ...  Subscription required
Fax(819)-768-5475
EmailEmail
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StageRestarting
Mine TypeUnderground
Commodities
  • Gold
Mining Method
  • Shrinkage stoping
  • Longhole stoping
  • Room-and-pillar
Mine Life4 years (as of Jan 1, 2019)
September 13, 2021 - The development work at the Sleeping Giant project is directed in priority to significant ore resources. The objective is to produce ore as soon as possible. Currently, most of the work is done on levels 235 and 295. Over the next months, it will be necessary to recruit additional miners and to open levels 355, 415 and 485.
Latest NewsAbcourt presents its Objectives for 2023 and a Corporate Update     February 23, 2023


Owners

Source: p. 33
CompanyInterestOwnership
Abcourt Mines Inc. 100 % Direct
On June 17, 2016, Abcourt completed the acquisition of the Sleeping Giant mine and mill.

Contractors

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Deposit Type

  • Vein / narrow vein


Summary:

The Sleeping Giant deposit is a member of the type of gold deposits formed by groups of veins with gold associated with sulphide minerals and whose geometry the stress field in the rocks at the time of vein formation (Birkett, 2008).

At the Sleeping Giant mine, gold mineralization is found in quartz-sulphide veins. The best mineralized veins typically contain four sulphide minerals: pyrite, pyrrhotite, chalcopyrite and sphalerite, which form 5 to 60% of the veins. The typical vein thickness is between 20 and 80 cm with average grade between 35 and 85 Au g/t (uncut channel sample analyses). In addition to gold, the veins contain silver and a small proportion of copper and zinc. The gold:silver ratio is about 1:2. Zones 20 and 30 have a lateral/vertical continuity of 300 m/670 m; that is to say, they have a much greater vertical continuity than lateral. In Zone 8, the lateral/vertical continuities are more than 600m/500 m.

Gold mineralization occurs in four cogenetic styles that are rich in base-metal sulphides: (1) narrow quartz veins, which are economically most important, (2) stratabound ore within sedimentary horizons, (3) quartz veining within QFP dikes, and (4) quartz veinlet arrays. Ore controls correspond to primary permeable features such as: (1) stratigraphic contacts, (2) specific lithological units, (3) synvolcanic faults and (4) preexisting joints. The geometry of the orebody displays an increasing complexity toward the south, i.e., toward th ........


Mining Methods

  • Shrinkage stoping
  • Longhole stoping
  • Room-and-pillar


Summary:

A mining plan has been prepared to extract 325,000 tonnes of reserves over a 4-year period including one year of pre-production (25,000 tonnes) followed by the three years with an annual production of 100,000 tonnes per year. The remaining 14,221 tonnes of reserves, not extracted by this mining plan, will be extracted later in subsequent operations following additional exploration and development work. There are good possibilities of extending the production period by doing additional exploration work on the indicated resources excluded from the mining plan and on the inferred resources and converting the latter into measured or indicated resources and eventually into reserves.

The mineralization is typically in narrow veins. The dip varies between 30o and 80o. The mining methods will be shrinkage and room and pillars. The long-hole method is not favored but will be used where the other methods are not adequate.


Crushing and Grinding
Source: Subscription required


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsLOM
Gold oz 78,996

Operational Metrics:

Metrics
Ore tonnes mined, LOM 325,000 t *
Total tonnes mined, LOM 332,886 t *
Tonnes processed, LOM 325,000 t *
* According to 2019 study.

Reserves at July 31, 2019:

CategoryTonnage CommodityGradeContained Metal
Probable 339,221 t Gold 7.9 g/t 85,690 oz
Measured 10,900 t Gold 12.2 g/t 4,300 oz
Indicated 475,625 t Gold 11.2 g/t 171,275 oz
Measured & Indicated 486,500 t Gold 11.2 g/t 175,575 oz
Inferred 93,100 t Gold 11.85 g/t 35,400 oz

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Gold USD  ......  Subscription required&nbs
Assumed price Gold USD  ......  Subscription required&nbs
* According to 2019 study / presentation.

Operating Costs:

Units2019
UG mining costs ($/t milled) CAD 128.18 *
Processing costs ($/t milled) CAD  ......  Subscription required
Total operating costs ($/t milled) CAD  ......  Subscription required
* According to 2019 study.
Subscription required - Subscription is required.

2019 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M CAD  ......  Subscription required
Sustaining CapEx $M CAD  ......  Subscription required
Total CapEx $M CAD  ......  Subscription required
UG OpEx $M CAD  ......  Subscription required
Processing OpEx $M CAD 11.4
G&A costs $M CAD 4.3
Total OpEx $M CAD  ......  Subscription required
Royalty payments $M CAD  ......  Subscription required
Gross revenue (LOM) $M CAD  ......  Subscription required
Net revenue (LOM) $M CAD  ......  Subscription required
EBITDA (LOM) $M CAD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M CAD  ......  Subscription required
After-tax Cash Flow (LOM) $M CAD  ......  Subscription required
Pre-tax NPV @ 8% $M CAD  ......  Subscription required
After-tax NPV @ 8% $M CAD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
Pre-tax payback period, years  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 27, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 30, 2019
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Press Release 2022
................................... Subscription required 2021
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Management Discussion & Analysis 2017
Management Discussion & Analysis 2016
Annual Report 2015
Annual Report 2014
Annual Report 2013
Technical Report 2013
Annual Report 2012
Annual Report 2012
Technical Report 2009
Subscription required - Subscription is required.

News:

NewsDate
Abcourt presents its Objectives for 2023 and a Corporate Update February 23, 2023

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