Mining Intelligence and News
United States

Antler Project

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Overview

Mine TypeUnderground
StagePermitting
Commodities
  • Copper
  • Zinc
  • Lead
  • Silver
  • Gold
Mining Method
  • Sub-level open stoping (SLOS)
  • Longitudinal stoping
  • Transverse stoping
Backfill type ... Lock
Mine Life... Lock
SnapshotOn July 17, 2024, New World Resources announced the completion of a positive Pre-Feasibility Study that demonstrates that the development of the high-grade Antler Copper Deposit is technically and financially robust.

In January 2024, the Company submitted a Mine Plan of Operations (“MPO”) to the Bureau of Land Management (“BLM”), which is the first stage of formally obtaining approval to construct the proposed mining infrastructure on public lands. The MPO is expected to have the longest approval lead-time of all of the requisite permits.

Owners

SourceSource
CompanyInterestOwnership
New World Resources Ltd. 100 % Indirect
New World owns a 100% interest in two patented mining claims (covering 40 acres) within which the Antler Deposit outcrops - where the Company owns both the surface rights and the mineral rights. New World also holds a 100% interest in an additional 267 unpatented mining claims on adjoining federal lands (covering 5,000 acres). In December 2023, New World acquired a 100% interest in 1,000 acres of private mineral rights immediately to the south, and to the east, of the Antler Deposit.

Contractors

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Deposit type

  • VMS
  • Metamorphic hosted

Summary:

The Antler Deposit is a high-grade, polymetallic, volcanogenic massive-sulphide (“VMS”) Cu-Zn-Pb-Ag-Au deposit.

Mineralization at the Antler Deposit outcrops at surface over more than 750m of strike and dips west- north-west at about 55 degrees. Mineralization is primarily comprised of pyrrhotite with lesser pyrite and sphalerite, chalcopyrite and galena hosted in volcaniclastic rhyolite schist (the metamorphic equivalent of quartz-biotite gneiss).

Mineralization comprises volcaniclastic-hosted massive sulphides (“VMS”). The primarily subseafloor replacement-style VMS mineralisation has been subject to deformation wherein sulphide minerals were remobilized and recrystallized to their present form. Two northward-trending shoots of thickened mineralization, the “Main Shoot” and the “South Shoot”, have been defined by drilling to down dip depths of greater than 1,025m from surface.

Copper is the most valuable metal present, but significant revenue will also be derived from zinc, silver, gold and lead.

Mineralisation at the Antler Deposit remains open at depth and along strike. Exploration is currently in progress to test for the strike extensions of mineralisation. It is widely accepted that VMS deposits typically occur in clusters. New World has delineated more than 17 high-priority exploration targets (across its Antler and Javelin Projects, which is located 75km to the southeast) where discovery could result in development of satellite deposits. Ore from these areas could be trucked to the Antler Project to extend the life and/or increase the production profile of the operation. This would potentially enhance the economics of developing the Antler Project.

Reserves

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Mining Methods

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Comminution

Crushers and Mills

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Processing

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Production

CommodityProductUnitsAvg. AnnualLOM
Copper Payable metal M lbs 36412
Zinc Payable metal M lbs 76855
Lead Payable metal t 3,60041,100
Silver Payable metal koz 5335,960
Gold Payable metal oz 6,00067,500
Copper Equivalent Payable metal t 30,100341,100
Copper Concentrate kt 59
Zinc Concentrate kt 75
Lead-Silver Concentrate kt 6.4

Operational metrics

Metrics
Daily milling capacity  ....  Subscribe
Annual ore mining rate  ....  Subscribe
Annual milling capacity  ....  Subscribe
Waste  ....  Subscribe
Ore tonnes mined, LOM  ....  Subscribe
Total tonnes mined, LOM  ....  Subscribe
Tonnes milled, LOM  ....  Subscribe
* According to 2024 study.

Production Costs

CommodityUnitsAverage
All-in sustaining costs (AISC) Copper Equivalent USD  ....  Subscribe
All-in sustaining costs (AISC) Copper USD  ....  Subscribe
C1 cash costs Copper Equivalent USD  ....  Subscribe
C1 cash costs Copper USD  ....  Subscribe
Assumed price Lead USD  ....  Subscribe
Assumed price Zinc USD  ....  Subscribe
Assumed price Copper USD  ....  Subscribe
Assumed price Silver USD  ....  Subscribe
Assumed price Gold USD  ....  Subscribe
* According to 2024 study / presentation.
** Net of By-Product.

Operating Costs

Currency2024
UG mining costs ($/t milled) USD  ....  Subscribe
Processing costs ($/t milled) USD  ....  Subscribe
G&A ($/t milled) USD  ....  Subscribe
Total operating costs ($/t milled) USD  ....  Subscribe
* According to 2024 study.

Project Costs

MetricsUnitsLOM Total
Pre-Production capital costs $M USD  ......  Subscribe
Sustaining CapEx $M USD  ......  Subscribe
Closure costs $M USD  ......  Subscribe
Total CapEx $M USD  ......  Subscribe
Freight costs $M USD 183.7
Refining and treatment costs $M USD  ......  Subscribe
Total OpEx $M USD  ......  Subscribe
Total Taxes $M USD  ......  Subscribe
Gross revenue (LOM) $M USD  ......  Subscribe
Net revenue (LOM) $M USD  ......  Subscribe
EBITDA (LOM) $M USD  ......  Subscribe
Pre-tax Cash Flow (LOM) $M USD  ......  Subscribe
After-tax Cash Flow (LOM) $M USD  ......  Subscribe
Pre-tax NPV @ 7% $M USD  ......  Subscribe
After-tax NPV @ 7% $M USD  ......  Subscribe
Pre-tax IRR, %  ......  Subscribe
After-tax IRR, %  ......  Subscribe
Pre-tax payback period, years  ......  Subscribe
After-tax payback period, years  ......  Subscribe

Required Heavy Mobile Equipment

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Personnel

Mine Management

Job TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required ........... Subscription required ........... Subscription required Subscription required Jul 19, 2024
....................... Subscription required ....................... Subscription required Subscription required Jul 19, 2024
....................... Subscription required ....................... Subscription required ........... Subscription required ........... Subscription required Jul 17, 2024

Total WorkforceYear
...... Subscription required 2024
...... Subscription required 2022

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