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Canada
Fuller Project (Lexam VG Project)

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 Location:
4 km SE from Timmins, Ontario, Canada

  Project Contacts:
150 King Street West Suite 2800
P.O. Box 24
Toronto
Ontario, Canada
M5H 1J9
Phone  ...  Subscription required
Fax647-258-0408
WebsiteWeb
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Overview

StagePreliminary Economic Assessment
Mine TypeOpen Pit
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
Processing
  • Gravity separation
  • Flotation
  • Concentrate leach
  • Cyanide (reagent)


Owners

Source: p. 18, 19
CompanyInterestOwnership
McEwen Mining Inc. 100 % Indirect
Lexam VG Gold Inc. 100 % Direct
On April 26, 2017, the Company completed the acquisition of 100% of the issued and outstanding common shares of Lexam by the way of the Arrangement Agreement dated February 13, 2017 and related Plan of Arrangement. The Mineral property interests acquired include the 100% interest of the Buffalo Ankerite, Fuller and Davidson Tisdale deposits and 61% interest in the Paymaster deposit located in Timmins, Ontario. The remaining 39% interest in the Paymaster property is held by Goldcorp Inc., a joint venture partner.

Deposit Type

  • Porphyry


Summary:

The mineralization on the property occurs stratigraphically above what appears to be the contact between the older ultramafic lower formation and the basaltic middle formation of the Tisdale group. A ramp was sunk in the vicinity of what was interpreted to be the hinge of the easterlyplunging Fuller synclinal fold. This geology observed in proximity to this ramp has been the best information available in the immediate area of the Fuller deposit.

In a general south to north direction, the succession of rocks includes talc-chlorite schist (metamorphosed ultramafic rocks), quartz-feldspar porphyry, pillowed amygdaloidal basaltic flows, massive basaltic flows, and a series of alternating units of massive, pillowed and amygdaloidal volcanic rocks.

The porphyry is interpreted to have been intruded prior to folding. Hydrothermally altered volcanic rocks, including a strongly altered unit with more than 50% quartz flooding, green mica and pyrite mineralization, are spatially associated with the porphyry; there are also large folded zones of highly carbonate altered volcanic rocks in contact with the porphyry stocks.


Mining Methods

  • Truck & Shovel / Loader


Summary:

The base case operating scenario for the Project includes open pit mining of Measured, Indicated, and Inferred Mineral Resources with direct shipping of mineralization to a toll processing facility for recovery of gold.

The mine design consists of five open pits in two areas. Four of the pits (Buffalo Ankerite South, Buffalo Ankerite North, Paymaster, and Fuller) are located in the “main cluster” approximately five kilometres southeast of Timmins city centre. The main cluster can be defined by a radius of approximately one kilometre. The fifth open pit (Davidson Tisdale) is located approximately nine kilometres to the east-northeast of Timmins city centre (approximately eight kilometres north-northeast of the main cluster).

Open pit development is characterized by relatively high stripping ratios as the primary production target is narrow steeply dipping veins. Maintaining mining selectivity to control dilution and extraction will be paramount, as well as keeping operating conditions safe as the open pits will encounter stope voids from historic underground mining operations. Initial operations will require external waste rock disposal areas, after which, pits may be backfilled.


Crushing and Grinding


Processing

  • Gravity separation
  • Flotation
  • Concentrate leach
  • Cyanide (reagent)

Source: Subscription required

Summary:

For the Project, metallurgical testwork was done on the Buffalo Ankerite, Paymaster, Fuller, and Davidson Tisdale Properties and some historic operating data was reviewed by RPA. The results from the historical work were used to estimate the gold recovery, although there is little information about sample location. For purposes of this evaluation, the data from testwork that included gravity concentration and cyanidation of the gravity tailings was used; however, the results from tests that utilized gravity, flotation, and cyanidation of the flotation concentrate were very similar so the results would not change appreciably.


Combined production numbers are reported under Lexam VG Project


Reserves at May 22, 2013:

CategoryOreTypeTonnage CommodityGradeContained Metal
Indicated In-Situ (UG) 361 k tons Gold 0.168 oz/ton 61 koz
Indicated In-Situ (OP) 5,878 k tons Gold 0.049 oz/ton 290 koz
Indicated Total 6,239 k tons Gold 0.056 oz/ton 351 koz
Inferred In-Situ (UG) 930 k tons Gold 0.145 oz/ton 135 koz
Inferred In-Situ (OP) 2,981 k tons Gold 0.038 oz/ton 112 koz
Inferred Total 3,911 k tons Gold 0.063 oz/ton 247 koz


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Mar 6, 2019
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Corporate Filings & Presentations:

DocumentYear
Preliminary Economic Assessment 2014
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