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Canada
Ming Mine

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 Location:
8 km E from Baie Verte, Newfoundland and Labrador, Canada
  Address:
Route # 418, Ming's Bight Road
P.O. Box 610, A0K 1B0
Baie Verte
Newfoundland and Labrador, Canada
A0K 3S0
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Fax709-800-1921
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News
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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Copper
  • Gold
  • Silver
Mining Method
  • Post Pillar Cut & Fill
  • Longhole stoping
  • Paste backfill
Production Start...
Mine Life20 years (as of Jan 1, 2021)

Owners

Source: p. 83
CompanyInterestOwnership
Rambler Metals & Mining plc 100 % Indirect
Rambler Metals and Mining Canada Ltd. (operator) 100 % Direct
Rambler Metals and Mining plc has a 100 per cent ownership in the Ming Copper-Gold Mine.

Contractors

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Deposit Type

  • VMS

Summary:

The Property is a Noranda-type VMS (Volcanogenic massive sulfide) hosted by Cambrian-Ordovician metavolcanic and metasedimentary rocks of the Pacquet Harbour Group. The style of mineralization, alteration, host rock, and tectonism most closely resembles other VMS deposits throughout the world. This deposit type is referred to as type G06 by the British Columbia Ministry of Energy, Mines and Petroleum Resources Deposit Profiles.

The polymetallic sulphide deposits in the Ming Mine area are known to contain copper, zinc and minor lead, gold and silver along with traces of other metals. Mineralization in the deposits has been classified in the past as either massive sulphide, footwall stringer, or disseminated ore.

More recent exploration on the Ming deposit has identified distinct zones of sulphide mineralization. This, in conjunction with ongoing academic studies, imply a somewhat greater complexity in orogeny of the Ming Mine and other deposits in the area based on distinct alteration and sulphide assemblages, mineralogical and textural variations and the structural setting of mineralization. For the current documentation there remain two dominant types of mineralization in the Ming deposit:
- Stratiform volcanogenic massive sulphide (MMS); and
- Disseminated stringers of sulphides (LFZ).

The MMS is recognized as a horizon which is open at depth, locally up to three metres in thickness with a strike length of at least 100 metres. Lik ........

Mining Methods

  • Post Pillar Cut & Fill
  • Longhole stoping
  • Paste backfill

Summary:

The Ming Mine is an underground, copper and gold rich massive sulphide deposit consisting of six mineralised zones. These are identified as the 1806 Zone, 1807 Zone, Ming North Zone (MNZ), Ming South Zone (MSZ), Lower Footwall Zone (LFZ) and Upper Footwall Zone (UFZ).

The technical report 2018 update is based on an optimization of the current massive sulphide (Phase 1) operation by gradually increasing the proportion of Lower Footwall Zone (LFZ) ore with Massive Sulphide (MMS) to achieve a total mine production rate of 1,250 mtpd.

Current planned production at the operation is 1,250 mtpd of MMS and LFZ Block 1 post pillar material. LFZ production presently comes entirely from post pillar cut and fill mining in Block 1, whereas all subsequent Blocks (2 to 6) will be mined using a longhole method. Primary backfilling will utilize paste backfill augmented with waste rock produced during underground development and stope preparation activities.

Access to the LFZ blocks will be through new development and extension of the existing ramps and raises.

The mine ventilation system is presently being reconfigured to supply additional air to the underground workings as well as to allow development and production blasting to occur during work shifts, which will allow longer work shifts.

LONGHOLE (TRANSVERSE) WITH A DIP OVER 50 DEGREES
The LFZ has been divided into six blocks for design purposes. Blocks 2 to 6 will utilize long ........

Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityProductUnits2022202120202019201820172016
Copper Metal in concentrate M lbs  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required9.28.710
Copper Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required161517
Gold Metal in concentrate oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Metal in concentrate oz  ......  Subscription required
^ Guidance / Forecast.
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Operational Metrics:

Metrics202120202019201820172016
Ore tonnes mined  ......  Subscription required  ......  Subscription required
Tonnes milled  ......  Subscription required  ......  Subscription required406,298 dmt364,176 dmt339,631 dmt241,080 dmt
Daily milling capacity  ......  Subscription required  ......  Subscription required1,250 t850 t
Daily ore mining rate  ......  Subscription required  ......  Subscription required1,113 t998 t1,118 t650 t
Daily milling rate  ......  Subscription required  ......  Subscription required1,108 t1,260 t
Subscription required - Subscription is required.

Reserves at March 31, 2022:
Mineral Resources cut-off grades of 1.0 % copper for the massive sulphides, 1.25 grammes per tonne gold for any gold zones and 1.0 % copper for the stringer sulphides.

The NSR for the reserve material was calculated using an all-in cost of USD$72 per tonne of ore milled.

CategoryTonnage CommodityGradeContained Metal
Proven & Probable 7,413 kt Copper 1.74 % 289,851 k lbs
Proven & Probable 7,413 kt Gold 0.38 g/t 94 koz
Proven & Probable 7,413 kt Silver 2.53 g/t 645 koz
Measured & Indicated 23,755 kt Copper 1.8 % 944,538 k lbs
Measured & Indicated 23,755 kt Gold 0.35 g/t 271 koz
Measured & Indicated 23,755 kt Silver 2.78 g/t 2,124 koz
Inferred 6,430 kt Copper 1.86 % 263,546 k lbs
Inferred 6,430 kt Gold 0.38 g/t 78 koz
Inferred 6,430 kt Silver 2.6 g/t 538 koz

Commodity Production Costs:

Commodity202120202019201820172016
C1 cash costs Copper  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 3.52 / lb†  USD 2.86 / lb†  USD 1.72 / lb†  USD
C3 fully allocated costs Copper  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 4.78 / lb†  USD 3.91 / lb†  USD 2.56 / lb†  USD
† Net of By-Product.
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Operating Costs:

Units2015
Total operating costs ($/t milled) CAD 129

Financials:

Units202120202019201820172016
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 29.7   30.3   30.4  
Gross profit M USD 1.9  
After-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required -20   -4.1  
EBITDA M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required -7.5   2.8  
Operating Cash Flow M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required -2.3   1.3   4.8  
Subscription required - Subscription is required

Heavy Mobile Equipment as of April 23, 2018:
HME TypeSizeQuantityLeased or
Contractor
Drill jumbo (two boom) ....................... Subscription required Leased
Grader ....................... Subscription required Leased
Load-Haul-Dump (LHD) 6 cu. m ....................... Subscription required Leased
Rock bolter ....................... Subscription required Leased
Scissor Lift ....................... Subscription required Leased
Truck (haul) 42 t ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 17, 2022
....................... Subscription required ....................... Subscription required Subscription required May 17, 2022
....................... Subscription required ....................... Subscription required Subscription required May 17, 2022
....................... Subscription required ....................... Subscription required Subscription required May 17, 2022
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2021
Subscription required 2020
Subscription required 2019
Subscription required 2018
Subscription required 2017
Subscription required 2016
Subscription required 2015

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Financial Review 2022
Press Release 2022
Press Release 2022
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Press Release 2018
Technical Report 2018
Corporate Presentation 2017
Press Release 2017
Annual Report 2016
Corporate Presentation 2016
Management Discussion & Analysis 2016
Financial Review 2015
Pre-Feasibility Study Report 2015
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