Tungsten surge transforms Northcliff’s Sisson economics

Original announcement by northernminer on

Company
Northcliff Resources
Ticker
NCF
Exchange
Unavailable
Region
New Brunswick
Primary commodity
Tungsten
Secondary commodities
Molybdenum
Document categories
Resource update, Production
Extracted
2026-09-02 18:47:51 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Northcliff Resources has released a new feasibility study for the Sisson tungsten-molybdenum project in New Brunswick, reporting a post-tax NPV of $6.9 billion. The project features a 27-year open-pit mine life with significant tungsten and molybdenum reserves.

Reasoning: The new feasibility study shows a massive improvement in project economics (NPV and IRR) driven by higher tungsten prices, despite increased capital costs.

Positive factors

  • Significant NPV increase vs 2013 study
  • Strong IRR and payback period
  • Strategic importance for domestic tungsten supply
  • Major federal and provincial approvals in place

Negative factors

  • Significant increase in initial capital due to inflation and taxes
  • Project timeline delayed compared to previous targets

Facts used in scoring: 8

Classification and evidence

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: The document reports a new feasibility study with updated resource and reserve estimates.

Evidence · text

“new feasibility study for the Sisson tungsten-molybdenum project”

Tonnage Growthpositive

Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.

Why it applies: The project scale and reserves are presented as part of a major economic transformation.

Evidence · text

“Tungsten surge transforms Northcliff’s Sisson economics”

Extracted facts

Stored fact records: 8. Some facts used in scoring do not have a stored record.

Resource Estimates (8)

proventungstenTonnes: 85600000Grade: 0.079Grade Unit: % tungsten trioxideContained Metal: 6800000Contained Unit: mtuView all details
Link to this fact

Identity

Commodity
tungsten
Ticker
NCF

Resource Data

Category
proven
Tonnes
85600000
Grade
0.079
Grade Unit
% tungsten trioxide
Contained Metal
6800000
Contained Unit
mtu

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-02T00:00:00.000Z

Reasoning: Proven reserve provides high geological and economic confidence.

Positive factors

  • Established proven reserve

Evidence · text

“Proven reserves total 85.6 million tonnes grading 0.079% tungsten trioxide”
provenmolybdenumTonnes: 85600000Grade: 0.025Grade Unit: % molybdenumContained Metal: 47800000Contained Unit: lb.View all details
Link to this fact

Identity

Commodity
molybdenum
Ticker
NCF

Resource Data

Category
proven
Tonnes
85600000
Grade
0.025
Grade Unit
% molybdenum
Contained Metal
47800000
Contained Unit
lb.

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-02T00:00:00.000Z

Reasoning: Byproduct molybdenum reported within proven reserves.

Evidence · text

“grading 0.079% tungsten trioxide and 0.025% molybdenum, containing 6.8 million mtu of tungsten trioxide and 47.8 million lb. of molybdenum”
probabletungstenTonnes: 191200000Grade: 0.073Grade Unit: % tungsten trioxideContained Metal: 13900000Contained Unit: mtuView all details
Link to this fact

Identity

Commodity
tungsten
Ticker
NCF

Resource Data

Category
probable
Tonnes
191200000
Grade
0.073
Grade Unit
% tungsten trioxide
Contained Metal
13900000
Contained Unit
mtu

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-02T00:00:00.000Z

Reasoning: Significant probable reserve volume adds to project scale.

Positive factors

  • Large tonnage probable reserve

Evidence · text

“Probable reserves add 191.2 million tonnes grading 0.073% tungsten trioxide”
probablemolybdenumTonnes: 191200000Grade: 0.021Grade Unit: % molybdenumContained Metal: 90600000Contained Unit: lb.View all details
Link to this fact

Identity

Commodity
molybdenum
Ticker
NCF

Resource Data

Category
probable
Tonnes
191200000
Grade
0.021
Grade Unit
% molybdenum
Contained Metal
90600000
Contained Unit
lb.

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-02T00:00:00.000Z

Reasoning: Byproduct molybdenum reported within probable reserves.

Evidence · text

“grading 0.073% tungsten trioxide and 0.021% molybdenum, containing 13.9 million mtu and 90.6 million lb., respectively”
indicatedtungstenTonnes: 421600000Grade: 0.063Grade Unit: % tungsten trioxideContained Metal: 26600000Contained Unit: mtuView all details
Link to this fact

Identity

Commodity
tungsten
Ticker
NCF

Resource Data

Category
indicated
Tonnes
421600000
Grade
0.063
Grade Unit
% tungsten trioxide
Contained Metal
26600000
Contained Unit
mtu

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-02T00:00:00.000Z

Reasoning: Significant indicated resource provides a large base for the project.

Positive factors

  • Large M&I resource base

Evidence · text

“Measured and indicated resources, which include reserves, total 421.6 million tonnes grading 0.063% tungsten trioxide”
indicatedmolybdenumTonnes: 421600000Grade: 0.02Grade Unit: % molybdenumContained Metal: 185900000Contained Unit: lb.View all details
Link to this fact

Identity

Commodity
molybdenum
Ticker
NCF

Resource Data

Category
indicated
Tonnes
421600000
Grade
0.02
Grade Unit
% molybdenum
Contained Metal
185900000
Contained Unit
lb.

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-02T00:00:00.000Z

Reasoning: Byproduct molybdenum reported within indicated resources.

Evidence · text

“grading 0.063% tungsten trioxide and 0.020% molybdenum, containing 26.6 million mtu of tungsten trioxide and 185.9 million lb. of molybdenum”
inferredtungstenTonnes: 182900000Grade: 0.048Grade Unit: % tungsten trioxideContained Metal: 8800000Contained Unit: mtuView all details
Link to this fact

Identity

Commodity
tungsten
Ticker
NCF

Resource Data

Category
inferred
Tonnes
182900000
Grade
0.048
Grade Unit
% tungsten trioxide
Contained Metal
8800000
Contained Unit
mtu

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-02T00:00:00.000Z

Reasoning: Inferred resource adds potential upside but carries higher risk.

Positive factors

  • Significant inferred resource volume

Negative factors

  • Inferred category implies lower geological confidence

Evidence · text

“Inferred resources add 182.9 million tonnes at 0.048% tungsten trioxide”
inferredmolybdenumTonnes: 182900000Grade: 0.02Grade Unit: % molybdenumContained Metal: 80600000Contained Unit: lb.View all details
Link to this fact

Identity

Commodity
molybdenum
Ticker
NCF

Resource Data

Category
inferred
Tonnes
182900000
Grade
0.02
Grade Unit
% molybdenum
Contained Metal
80600000
Contained Unit
lb.

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-02T00:00:00.000Z

Reasoning: Byproduct molybdenum reported within inferred resources.

Negative factors

  • Inferred category implies lower geological confidence

Evidence · text

“at 0.048% tungsten trioxide and 0.020% molybdenum, containing 8.8 million mtu and 80.6 million lb., respectively”

How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.