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Canada
New Prosperity Project

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 Location:
125 km SW from Williams Lake, British Columbia, Canada

  Project Contacts:
12th Floor - 1040 West Georgia Street
Vancouver
British Columbia, Canada
V6E 4H1
Phone  ...  Subscription required
Fax778-373-4534
EmailEmail
WebsiteWeb
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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Copper
  • Gold
  • Silver
Mining Method
  • Truck & Shovel / Loader
Mine Life20 years (as of Jan 1, 2022)
On February 26, 2014, the Minister of the Environment announced her conclusion that the New Prosperity Project is likely to cause significant adverse environmental effects that cannot be mitigated. She referred the matter to the Governor in Council who decided that those effects are not justified in the circumstances.

The standstill agreement between the Tsilhqot’in Nation and Taseko was most recently extended for a fourth one-year term in December 2022, with the goal of providing time and opportunity for the Tsilhqot’in Nation and Taseko to negotiate a final resolution.

Taseko has determined that the Company does not consider the New Prosperity Project to be material at this time. The Company’s assessment of materiality could change and the New Prosperity Project may again become material in the future.


Owners

Source: p. 16
CompanyInterestOwnership
Taseko Mines Ltd. 100 % Indirect

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Porphyry


Summary:

The project is located within the western-most portion of the Intermontane Belt at the boundary between the Intermontane and Coast morphologic belts. The project hosts a large porphyry gold-copper deposit. Pyrite and chalcopyrite are the principal sulphide minerals in the deposit. They are uniformly distributed in disseminations, fracture fillings, veins and veinlets. Native gold occurs as inclusions in and along microfractures with copper-bearing minerals and pyrite. The Prosperity deposit is predominantly hosted in Cretaceous andesitic volcaniclastic and volcanic rocks which are transitional to a sequence of sparsely mineralized, volcanically-derived sedimentary rocks to the south. The andesitic volcaniclastics are comprised of coarse-grained crystal tuff and ash tuff, and thinly bedded tuff with lesser lapilli tuff. The upper eastern portion of the deposit is hosted by subvolcanic units of crowded feldspar porphyritic andesite and thick feldspar and hornblende porphyritic flows. In the western portion of the deposit, the multi-phase Fish Creek Stock has intruded into a thick sequence of andesite flows which overlay volcaniclastic rocks. The steeply south-dipping, oval quartz diorite stock, which is approximately 265 m wide by 800 m long, is surrounded by an east-west trending swarm of subparallel quartz-feldspar porphyritic dikes, which also dip steeply to the south. Together the stock and dikes comprise the Late Cretaceous Fish Lake Intrusive Complex that is spatially ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Prosperity open pit will be a nominal 525 m deep when complete.

The mining equipment will operate on a 15m high bench in overburden and hardrock. Wall slope design changes will be implemented by varying the berm widths and inter-berm slope angles.

Berms will be left on every bench in overburden and on alternate benches in hardrock. Berm width design will vary from 15 m to 10 m as the overall wall slope is increased from 45° to 50° in the Lower Zone.

The open pit will be mined in four phases commencing with the Phase 1 – Starter Pit. The pit will be partially pre-stripped during the preproduction development period. The starter pit will provide building materials for the tailings impoundment starter dam. The Phase 2 through Phase 4 pits are radial expansions of the mine about the Starter Pit creating a progressively deeper pit.

The mine will operate using electric cable shovels and rotary drills. Diesel electric trucks and a support equipment fleet will gradually be increased to match the production schedule that will peak in terms of total production in Year 7 through Year 9 at 200,000 tpd.


Crushing and Grinding
Source: Subscription required

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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityProductUnitsAvg. AnnualLOM
Copper Metal in concentrate M lbs 1072,048
Gold Metal in copper conc. oz  ......  Subscription required  ......  Subscription required
Silver Metal in copper conc. oz  ......  Subscription required
Copper Concentrate kt 200

Operational Metrics:

Metrics2022
Daily milling rate
Stripping / waste ratio
Daily mining capacity
Daily milling capacity
Daily ore mining rate
Ore tonnes mined, LOM
Total tonnes mined, LOM
Tonnes milled, LOM
Annual milling rate
Annual ore mining rate
Mining scale, tpd  ......  Subscription required
Processing scale, tpd  ......  Subscription required
* According to 2007 study.
Subscription required - Subscription is required.

Reserves at November 2, 2009:
Mineral Resources cut-off at 0.14% Cu.

CategoryTonnage CommodityGradeRecoverable Metal
Proven 481 Mt Copper 0.26 % 2.4 B lbs
Proven 481 Mt Gold 0.46 g/t 5 M oz
Probable 350 Mt Copper 0.18 % 1.2 B lbs
Probable 350 Mt Gold 0.35 g/t 2.7 M oz
Proven & Probable 831 Mt Copper 0.23 % 3.6 B lbs
Proven & Probable 831 Mt Gold 0.41 g/t 7.7 M oz
Measured 547.1 Mt Copper 0.27 %
Measured 547.1 Mt Gold 0.46 g/t
Indicated 463.4 Mt Copper 0.21 %
Indicated 463.4 Mt Gold 0.34 g/t
Measured & Indicated 1,011 Mt Copper 0.24 %
Measured & Indicated 1,011 Mt Gold 0.41 g/t

Commodity Production Costs:

CommodityUnits
Credits (by-product) Copper USD -1.32 / lb *  USD
Cash costs Copper USD 1.75 / lb *  USD
Cash costs Copper USD 0.43 / lb *†  USD
Assumed price Copper USD 1.5 / lb *  USD
Assumed price Silver USD 8 / oz *  USD
Assumed price Gold USD 575 / oz *  USD
* According to 2007 study / presentation.
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units2022
OP mining costs ($/t mined) CAD 1.14 *
OP mining costs ($/t milled) CAD  ......  Subscription required
Processing costs ($/t milled) CAD  ......  Subscription required
G&A ($/t milled) CAD  ......  Subscription required
Total operating costs ($/t milled) CAD  ......  Subscription required
* According to 2007 study.
Subscription required - Subscription is required.

2007 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M CAD  ......  Subscription required
Sustaining CapEx $M CAD  ......  Subscription required
Total CapEx $M CAD  ......  Subscription required
Total OpEx $M CAD  ......  Subscription required
Mining Taxes $M CAD  ......  Subscription required
Gross revenue (LOM) $M CAD  ......  Subscription required
EBITDA (LOM) $M CAD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M CAD  ......  Subscription required
Pre-tax NPV @ 7.5% $M CAD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
Pre-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.

Water Supply
Source: Subscription required

- subscription is required.


Proposed Heavy Mobile Equipment as of October 15, 2007:
HME TypeModelSizeQuantity
Cable reel truck ....................... Subscription required
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Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 10, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 12, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 10, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 10, 2023
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2007

Corporate Filings & Presentations:

DocumentYear
Annual Information Form 2022
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
Year-end Mineral Reserves 2015
Feasibility Study Report 2007
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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