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Canada
Lexington Mine (Greenwood Project)

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 Location:
10 km SE from Greenwood, British Columbia, Canada

  Address:
888 Dunsmuir Street, Suite 888
Vancouver
British Columbia, Canada
V6C 3K4
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Fax604-336-1490
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Overview

StatusCare and Maintenance
Mine TypeUnderground
Commodities
  • Gold
  • Copper
Mining Method
  • Pilot-and-slash
Mine Life5 years (as of Jan 1, 2017)
The Company would like to note that its decision to proceed to extract mineralized material from the Lexington, Golden Crown and May Mac mines for processing at its facility located at the Greenwood Precious Metals Project was not based on a feasibility study.

The Lexington mine and Zip Mill complex reverted to care and maintenance status when the Company came under financial duress in mid-2018. Current activities include operational pumping to maintain the Lexington mine pumped out, and water quality monitoring and security at Lexington and Zip Mill.


Owners

Source: p. 6
CompanyInterestOwnership
CanXGold Mining Corp. 100 % Indirect

Contractors

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Deposit Type

  • Breccia pipe / Stockwork


Summary:

The Lexington-Grenoble Deposit is a porphyry-hosted, high-sulphidation gold/copper pyritic sheeted stockwork. There is a strong affinity to a porphyry copper hydrothermal system by virtue of its fluid composition and alteration but strongly influenced by structure.

The geological setting of the Lexington Property is dominated by a major 600 m wide tectonic shear zone, the No. 7 Fault. The Lexington-Grenoble Deposit is focused above or at the Lower Serpentinite/Dacite contact (a subthrust of the No. 7 Fault) and is composed of massive pyritelesser chalcopyrite (and rarely magnetite) veins, veinlets and disseminations. The series of shallow to moderately dipping en echelon overlapping sheeted massive sulfide zones, stringers and disseminations are hosted within the basal 25 m of a dacitic pyroclastic unit to the “Dacite” unit, confined to an area 525 m along its long axis, 20-60 m wide normal to the long axis and 25 m thick vertically.


Mining Methods

  • Pilot-and-slash


Summary:

Surface infrastructure will be established near the existing portal, equipped with mine office, dry, shop, generator, compressors, sanitary and environmental control systems. Access to the mine will be via the existing three surface portals, drifts and ramp.

The proposed mining method is jackleg/stoper pilot raise and slash. The overall mine sequence will generally be mined from the top down. Initially a 2.4 m by 2.4 m pilot raise will be driven, in ore, from the lower sublevel transport drift to the upper sublevel overcut drift, at a central location along the stope strike. A three-drum slusher cut-out will be excavated at the base of the pilot raise in the operator accessway.

Open stope jackleg/stopper slashing will start at the base of the pilot raise, slashing outward along strike to the stope pillar locations on either side of the stope, and upward along the dip of the deposit body to the overcut drift. Drill steel will be 29 mm diameter and up to 2.4 m in length. The powder factor is estimated to be 0.50 kg per tonne. Open stope slashing will proceed outwards and upwards from the pilot raise. Access to the stope face will be via the sublevel overcut drift and pilot raise. A nipping slide and stope access ladders will be installed in the pilot raise. Blasted mineralization will be slushed down to the sublevel transport drift where it will be picked up by 2.5 and/or 3.5 cubic yard load/haul/dump/machines. These machines will not be able to access b ........


Crushing and Grinding
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Processing

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Summary:

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Combined production numbers are reported under Greenwood Project


Reserves at June 2, 2017:
Mineral Resource cut-off grade: 3.5 g/t AuEq.

CategoryTonnage CommodityGradeContained Metal
Measured 58,000 t Gold 6.98 g/t
Measured 58,000 t Copper 1.1 %
Measured 58,000 t Gold Equivalent 8.63 g/t 16,100 oz
Indicated 314,000 t Gold 6.38 g/t
Indicated 314,000 t Copper 1.04 %
Indicated 314,000 t Gold Equivalent 7.94 g/t 80,200 oz
Measured & Indicated 372,000 t Gold 6.47 g/t
Measured & Indicated 372,000 t Copper 1.05 %
Measured & Indicated 372,000 t Gold Equivalent 8.05 g/t 96,300 oz
Inferred 12,000 t Gold 4.42 g/t
Inferred 12,000 t Copper 1.03 %
Inferred 12,000 t Gold Equivalent 5.96 g/t 2,300 oz



Heavy Mobile Equipment as of June 2, 2017:
HME TypeModelSizeQuantityStatus
Dozer ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Grader 280 HP ....................... Subscription required Existing
Scoop Tram ....................... Subscription required ....................... Subscription required Existing
Scoop Tram ....................... Subscription required 2.5 cu. yd ....................... Subscription required Existing
Truck (underground) ....................... Subscription required 13 t ....................... Subscription required Existing
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 22, 2022
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Corporate Filings & Presentations:

DocumentYear
Management Discussion & Analysis 2022
Preliminary Economic Assessment 2017
Preliminary Economic Assessment 2016
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