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Australia
Nifty Mine (Nifty OP)

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 Location:
514 km SW from Derby, Western Australia, Australia

  Address:
Unit 1, 437 Roberts Road
Subiaco
Western Australia, Australia
6008
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StatusCare and Maintenance
Mine TypeUnderground
Commodities
  • Copper
Mining Method
  • Open stoping
  • Backfill
Production Start...
Mine Life20 years (as of Jan 1, 2022)
The Nifty Copper Project is in a state of readiness so that at the completion of the finance process, there is an effective and efficient transition from care and maintenance to full construction and then commissioning to production.

The re-start opportunity for Nifty:
– The oxide open pit was stopped prematurely to access the underground sulphide ore to produce a low impurity copper concentrate to feed Aditya Birla Minerals India-based smelters.
– Cyprium will restart the open pit oxide mine and re-treat the existing heap leach pads in Phase 1 of the Nifty Copper Project restart.
– Phase 2 will continue the open pit into the sulphide portion of the orebody for a +20 year mine life.
Latest NewsCyprium Metals Ready for Nifty Copper Restart on the back of Successful A$35M Placement     February 6, 2023


Owners

Source: p. 54,64
CompanyInterestOwnership
Nifty Copper Pty Ltd. (operator) 100 % Direct
Cyprium Metals Ltd. 100 % Indirect
Paterson Copper Pty Ltd holds the Nifty Copper Operation through its 100%-owned subsidiary Nifty Copper Pty Ltd.

In March 2021, Cyprium acquired 100% of the shares on issue held by Metals X Limited (“Metals X”) in Paterson Copper Pty Ltd.

Contractors

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Deposit Type

  • Sediment-hosted


Summary:

The Nifty copper deposit is a sediment hosted copper deposit hosted within the Neoproterozoic sub greenschist facies of the Paterson Orogen, immediately to the east of the Archaean Pilbara Craton.

Copper mineralisation occurred/s as both supergene oxide, sulphide, and transitional mineralisation to a depth of approximately 300m and as stratabound hypogene sulphides hosted by carbonaceous and dolomitic shales, principally within the Nifty carbonate member, to a depth of approximately 600m. The mineralisation is a structurally controlled, chalcopyrite-quartz-dolomite replacement of carbonaceous and dolomitic shale within a folded sequence. The copper mineralisation is largely confined to the northern limb and keel of a significant syncline.

Weathering has altered the mineralisation to a depth of about 200m and therefore three main styles of copper mineralisation occur at Nifty:
1. Oxide dominated mineralisation consisting of malachite, azurite, cuprite, and native copper which extends to depths of up to 100m below the surface.
2. Supergene secondary sulphide mineralisation occurs overlying the base of oxidation. This style of mineralisation is dominated by chalcocite and occurs typically between 100m and 200m below the surface.
3. Primary sulphides occur in quartz-dolomite altered carbonates and shales. The primary copper mineral is chalcopyrite with minor covellite and bornite. Pyrite is a common gangue mineral but only occurs with chalcopy ........


Mining Methods

  • Open stoping
  • Backfill


Summary:

Underground mining is currently carried out using open stoping methods and backfill. This is a bulk mining method where stopes (25m wide, 25 to 50m long and 40 to 60m high) are drilled and blasted and copper ore is loaded and hauled into to an underground crusher and conveying system.

The Restart is focused around the first phase of heap leach retreat and oxide open pit, and it is envisaged that the life will extend to the sulphide stage of the open pit with a considerably larger resource available.


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2020201920182017
Copper t  ......  Subscription required  ......  Subscription required16,77423,264
All production numbers are expressed as metal in concentrate.
Subscription required - Subscription is required.

Operational Metrics:

Metrics2020201920182017
Ore tonnes mined  ......  Subscription required1,321,032 t1,361,019 t1,390,007 t
Tonnes processed  ......  Subscription required1,254,879 t1,361,371 t1,397,534 t
Annual processing capacity  ......  Subscription required2.5 Mt2.5 Mt2.5 Mt
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Reserves at May 16, 2022:
Cut-off grade 0.25 % Cu.

CategoryTonnage CommodityGradeContained Metal
Measured 48.7 Mt Copper 1.1 % 524,700 t
Indicated 27.6 Mt Copper 1 % 263,400 t
Inferred 18.8 Mt Copper 0.8 % 152,100 t
Total Resource 95.1 Mt Copper 1 % 940,200 t

Commodity Production Costs:

CommodityUnits2020201920182017
All-in sustaining costs (AISC) Copper AUD  ......  Subscription required†  ......  Subscription required† 9,538 / t†   7,345 / t†  
C1 cash costs Copper AUD  ......  Subscription required†  ......  Subscription required† 8,471 / t†   5,345 / t†  
All-in costs Copper AUD  ......  Subscription required†  ......  Subscription required† 9,707 / t†   7,409 / t†  
† Net of By-Product.
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Financials:

Units2020201920182017
Sustaining costs M AUD  ......  Subscription required  ......  Subscription required 10.4  
Capital expenditures M AUD  ......  Subscription required  ......  Subscription required 12.3   9.4  
Revenue M AUD  ......  Subscription required  ......  Subscription required 128   180.1  
Gross profit M AUD  ......  Subscription required  ......  Subscription required



Heavy Mobile Equipment as of October 4, 2019:
HME TypeSizeQuantity
Truck (underground) 50 t ....................... Subscription required
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Oct 24, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 24, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 24, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 24, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 24, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 24, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Press Release 2022
Press Release 2022
Technical Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Annual Report 2017
Quarterly Report 2017
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News:

NewsDate
Cyprium Metals Ready for Nifty Copper Restart on the back of Successful A$35M Placement February 6, 2023
Cyprium Metals Signs US$35M Offtake Prepayment Facility for Nifty Restart Project December 22, 2022

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