NORTHCLIFF FILES TECHNICAL REPORT FOR POSITIVE FEASIBILITY STUDY UPDATE OF SISSON PROJECT

Original announcement by orestocks on

Company
Northcliff Resources Ltd.
Ticker
NCF.TO
Exchange
Unavailable
Region
New Brunswick, Canada
Primary commodity
Tungsten
Secondary commodities
Molybdenum
Document categories
Other, Resource update
Extracted
2026-10-02 04:16:52 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Northcliff Resources has filed an updated Feasibility Study for the Sisson Project in New Brunswick, forecasting a post-tax NPV of $6,915 million and an IRR of 49.8%. The study outlines an open-pit mine with 276.8 Mt of proven and probable reserves containing tungsten and molybdenum.

Reasoning: The filing of a positive Feasibility Study Update for a large-scale tungsten-molybdenum project represents a major de-risking milestone for the company.

Positive factors

  • Strong economic indicators with NPV of $6,915 M and IRR of 49.8%
  • Significant mineral reserves for critical minerals (tungsten and molybdenum)
  • Short payback period of 1.6 years
  • Major government funding support (US DPA and NRCan) mentioned

Negative factors

  • High initial capital expenditure of $1,528 M

Facts used in scoring: 4

Classification and evidence

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The document reports 191.2 Mt of probable reserves for tungsten and molybdenum.

Evidence · text

“Probable Reserves of 191.2 Mt”

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The document reports 85.6 Mt of proven reserves for tungsten and molybdenum.

Evidence · text

“Proven Reserves of 85.6 Mt”

Extracted facts

Stored fact records: 4. Some facts used in scoring do not have a stored record.

Resource Estimates (4)

provenSisson · tungstenTonnes: 85600000Grade: 0.079Grade Unit: %Contained Metal: 6.77Contained Unit: m mtuView all details
Link to this fact

Identity

Project
Sisson
Commodity
tungsten
Region
canada_nb
Reported Region
New Brunswick, Canada
Ticker
NCF.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
Resource group id
resource:436d1fc148ce5ceb56e2
Deposit or zone
Sisson
Mining method
open_pit
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
proven
Tonnes
85600000
Grade
0.079
Grade Unit
%
Contained Metal
6.77
Contained Unit
m mtu
Cutoff Grade
16.31

Prior Estimate

Resource Date
2026-09-23

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-02T00:00:00.000Z

Reasoning: Proven reserve component of the updated feasibility study.

Positive factors

  • High-grade tungsten reserve

Evidence · text

“Includes Proven Reserves of 85.6 Mt at 0.079% WO3”

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

provenSisson · molybdenumTonnes: 85600000Grade: 0.025Grade Unit: %Contained Metal: 47.79Contained Unit: m lbView all details
Link to this fact

Identity

Project
Sisson
Commodity
molybdenum
Region
canada_nb
Reported Region
New Brunswick, Canada
Ticker
NCF.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
Resource group id
resource:436d1fc148ce5ceb56e2
Deposit or zone
Sisson
Mining method
open_pit
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
proven
Tonnes
85600000
Grade
0.025
Grade Unit
%
Contained Metal
47.79
Contained Unit
m lb
Cutoff Grade
16.31

Prior Estimate

Resource Date
2026-09-23

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-02T00:00:00.000Z

Reasoning: Proven reserve component of the updated feasibility study.

Positive factors

  • Proven molybdenum reserve

Evidence · text

“85.6 Mt at 0.079% WO3 and 0.025% Mo”

Tags used in scoring

Proven Reservepositive

Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "proven"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

probableSisson · tungstenTonnes: 191200000Grade: 0.073Grade Unit: %Contained Metal: 13.92Contained Unit: m mtuView all details
Link to this fact

Identity

Project
Sisson
Commodity
tungsten
Region
canada_nb
Reported Region
New Brunswick, Canada
Ticker
NCF.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
Resource group id
resource:00b5305a3e15425adf25
Deposit or zone
Sisson
Mining method
open_pit
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
probable
Tonnes
191200000
Grade
0.073
Grade Unit
%
Contained Metal
13.92
Contained Unit
m mtu
Cutoff Grade
16.31

Prior Estimate

Resource Date
2026-09-23

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-02T00:00:00.000Z

Reasoning: Probable reserve component of the updated feasibility study.

Positive factors

  • Significant probable tungsten reserve

Evidence · text

“Probable Reserves of 191.2 Mt at 0.073% WO3”

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

probableSisson · molybdenumTonnes: 191200000Grade: 0.021Grade Unit: %Contained Metal: 90.58Contained Unit: m lbView all details
Link to this fact

Identity

Project
Sisson
Commodity
molybdenum
Region
canada_nb
Reported Region
New Brunswick, Canada
Ticker
NCF.TO

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
Resource group id
resource:00b5305a3e15425adf25
Deposit or zone
Sisson
Mining method
open_pit
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
probable
Tonnes
191200000
Grade
0.021
Grade Unit
%
Contained Metal
90.58
Contained Unit
m lb
Cutoff Grade
16.31

Prior Estimate

Resource Date
2026-09-23

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-02T00:00:00.000Z

Reasoning: Probable reserve component of the updated feasibility study.

Positive factors

  • Significant probable molybdenum reserve

Evidence · text

“191.2 Mt at 0.073% WO3 and 0.021% Mo”

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: reporting_standards includes ni_43_101

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

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.