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Australia
Long Mine

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 Location:
60 km S from Kalgoorlie, Western Australia, Australia

  Regional Office:
Suite 4, Level 5, South Shore Centre, 85 South
PO Box 496
Perth
Western Australia, Australia
6151
Phone  ...  Subscription required
Fax+61 8 9238 8399
WebsiteWeb
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  • Overview
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  • Geology
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  • Production
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  • Filings & News

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Overview

StatusCare and Maintenance
Mine TypeUnderground
Commodities
  • Nickel
  • Copper
Mining Method
  • Longhole open stoping
Mine Life1 years (as of Jan 1, 2017)
On May 23, 2019 Mincor Resources NL (ASX: MCR, “Mincor” or “the Company”) announced that it has entered into a binding agreement with Independence Group NL (ASX: IGO, “Independence”) to acquire a 100% interest in the Long Nickel Operation (“Long”), located in the Kambalda District in Western Australia.
Latest NewsMincor drives nickel portfolio through purchase of IGO operation     May 23, 2019


Owners

 
CompanyInterestOwnership
Mincor Resources NL 100 % Indirect

Deposit Type

  • VMS


Summary:

The Long Operation occurs along the eastern flank of the Kambalda Dome in the South Central portion of the Archaean aged Norseman-Wiluna Greenstone belt of the Yilgarn Craton in Western Australia. The Kambalda Dome is a double-plunging antiform with a core of granodiorite flanked by meta tholeiitic basalt that is overlain by komatiite and intercalated sediments. The host rocks and associated contacts have been subjected to lower amphibolite metamorphism, structural modification, and intrusion by multiple felsic to intermediate igneous dykes that are mostly barren.

The Kambalda style nickel-sulphide orebodies are associated with Archaean aged ultramafic lava channels where molten liquid nickel-sulphides pooled at topographic lows along the komatiite channel. Subsequent folding has rotated the channels from 30° to vertical dip to the east, 10° plunge to the south as well as resulting in the remobilisation of some of the original sulphides into new, structurally imposed positions. The nickel sulphide orebodies are narrow, ribbon-like accumulations of massive to semi-massive sulphides to disseminated sulphides up to 12m thick.

The Long Operation consists of four main deposits in two parallel lava channels: Long and Moran in one channel (the Long Channel), McLeay and Victor South in another (the Victor Channel). Victor South contains the only disseminated sulphides of economic value whereas the other three are massive to semimassive or matrix ore nickel sulphide deposits. The Victor Channel was also host to the Gibb, Gibb South and Victor deposits, which are now mined out.


Mining Methods

  • Longhole open stoping


Summary:

The Long Operation is an owner operation mechanised underground mine that primarily uses long-hole open stoping and long-stoping with backfill. Mining is carried out using a fleet of 1700 & 1300 Caterpillar Load Haul Dumps and 45t & 50t Caterpillar trucks. Ore is hauled to surface by truck to ore stockpiles and then transported ~1km to the nearby BHPB Nickel West concentrator for processing.


Crushing and Grinding


Processing


Summary:

Offtake agreement for ore produced delivered to the adjacent BHP Nickel concentrator for toll treatment and production of nickel concentrate.

Recoveries & Grades:

CommodityParameter201820172016
Nickel Head Grade, % 3.224.113.94
Copper Head Grade, % 0.220.290.28

Production:

CommodityUnits201820172016
Nickel t  ......  Subscription required8,4338,493
Copper t  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in concentrate.
Subscription required - Subscription is required.

Operational Metrics:

Metrics201820172016
Ore tonnes mined  ......  Subscription required  ......  Subscription required215,337 t
Tonnes milled  ......  Subscription required  ......  Subscription required215,337 t
Subscription required - Subscription is required.

Reserves at December 31, 2018:

CategoryTonnage CommodityGradeContained Metal
Indicated 0.4 Mt Nickel 4.01 % 16 kt
Inferred 0.35 Mt Nickel 4.4 % 15 kt

Commodity Production Costs:

CommodityUnits20182017
Cash costs Nickel AUD  ......  Subscription required 3.28 / lb
Subscription required - Subscription is required.

Financials:

Units201820172016
Revenue M AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Pre-tax Income M AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required


Heavy Mobile Equipment:

Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2019
................................... Subscription required 2018
Annual Report 2017
Annual Report 2016
Year-end Mineral Reserves 2016
Subscription required - Subscription is required.

News:

NewsDate
Mincor drives nickel portfolio through purchase of IGO operation May 23, 2019

Aerial view:

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