17:30 ET NORTHCLIFF ANNOUNCES RESULTS OF FEASIBILITY STUDY UPDATE FOR SISSON PROJECT Northcliff Resources Ltd. ("Northcliff" or the "Company") (TSX: NCF) is pleased to announce the results of the Feasibility Study Update (the "2026...
Original announcement by cnw on
- Company
- Northcliff Resources Ltd.
- Ticker
- NCF
- Exchange
- Unavailable
- Region
- New Brunswick, Canada
- Primary commodity
- Tungsten
- Secondary commodities
- Molybdenum
- Document categories
- Resource update, Production
- Extracted
- 2026-08-31 21:43:08 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Northcliff Resources Ltd. announced positive results from its Feasibility Study Update for the Sisson Project in New Brunswick, Canada. The study forecasts strong financial results for an open-pit mine producing tungsten and molybdenum concentrates, with a post-tax NPV of $6,915 M and an IRR of 49.8%. The project outlines proven and probable mineral reserves of 276.8 Mt, supporting a 27-year mine life with initial capital expenditures of $1,528 M.
Reasoning: The Feasibility Study Update for the Sisson Project demonstrates strong economic viability with high NPV and IRR, supported by significant proven and probable reserves of tungsten and molybdenum. While costs have increased, improved metal prices and exchange rates have led to positive financial outcomes, making this a material and positive update for the company.
Positive factors
- Strong financial results (high NPV, IRR, short payback)
- Significant proven and probable reserves established
- Positive update to a prior feasibility study, incorporating improved metal prices and exchange rates
- NI 43-101 compliant and QP/CP signed off
Negative factors
- Resource estimate includes a substantial inferred component
- Capital and operating costs increased due to inflation and updated guidelines
Facts used in scoring: 18
Classification and evidence
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The mineral reserve and resource estimates were prepared and reported using the 2014 CIM Definition Standards and are compliant with National Instrument 43-101.
Evidence · text
“Mineral Reserve estimates were prepared by Robert Gray, P.Eng., the independent Qualified Person, reported using the 2014 CIM Definition Standards, and have an effective date of August 11, 2026.”
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: The mineral reserve estimate was prepared by Robert Gray, P.Eng., and the mineral resource estimate by Philip Geusebroek, M.Sc., P. Geo., both independent Qualified Persons.
Evidence · text
“Mineral Reserve estimates were prepared by Robert Gray, P.Eng., the independent Qualified Person”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: The mineral reserves are reported based on an effective LOM cut-off of $16.31/t NSR, and mineral resources are estimated at an NSR cut-off grade of C$12.02/t.
Evidence · text
“effective LOM cut-off at $16.31/t”
Proven Reservepositive
Measured Resource with demonstrated economic viability after applying modifying factors.
Why it applies: The study reports 85.6 Mt of Proven mineral reserves.
Evidence · table
“Proven”
Context: 85.6
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: The study reports 191.2 Mt of Probable mineral reserves.
Evidence · table
“Probable”
Context: 191.2
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: The study reports 117.9 Mt of Measured mineral resources.
Evidence · table
“Measured”
Context: 117.9
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The study reports 303.7 Mt of Indicated mineral resources.
Evidence · table
“Indicated”
Context: 303.7
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The study includes 182.9 Mt of Inferred mineral resources, which is the lowest confidence category.
Evidence · table
“Inferred”
Context: 182.9
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: The document is a Feasibility Study Update, which is a definitive level study supporting project development.
Evidence · text
“Feasibility Study Update”
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The document presents an update to a previous feasibility study from 2013, including updated resource and reserve estimates.
Evidence · text
“Feasibility Study Update”
Extracted facts
Stored fact records: 18. Some facts used in scoring do not have a stored record.
Resource Estimates (18)
provenSisson Project · tungstenTonnes: 85600000Grade: 0.079Grade Unit: %Contained Metal: 6770000Contained Unit: MTUView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- tungsten
- Ticker
- NCF
Resource Data
- Category
- proven
- Tonnes
- 85600000
- Grade
- 0.079
- Grade Unit
- %
- Contained Metal
- 6770000
- Contained Unit
- MTU
- Cutoff Grade
- 16.31
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The proven tungsten reserve provides a high-confidence estimate of economically extractable material, contributing significantly to the project's overall positive economics.
Positive factors
- High confidence reserve category (Proven)
- Significant contained metal for tungsten
- Part of a financially robust feasibility study
Evidence · table
“0.079”
Context: 85.6
provenSisson Project · molybdenumTonnes: 85600000Grade: 0.025Grade Unit: %Contained Metal: 47790000Contained Unit: lbView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- molybdenum
- Ticker
- NCF
Resource Data
- Category
- proven
- Tonnes
- 85600000
- Grade
- 0.025
- Grade Unit
- %
- Contained Metal
- 47790000
- Contained Unit
- lb
- Cutoff Grade
- 16.31
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The proven molybdenum reserve adds significant value as a critical byproduct, enhancing the project's overall economic viability with high confidence.
Positive factors
- High confidence reserve category (Proven)
- Significant contained metal for molybdenum as a critical byproduct
- Part of a financially robust feasibility study
Evidence · table
“0.025”
Context: 85.6
probableSisson Project · tungstenTonnes: 191200000Grade: 0.073Grade Unit: %Contained Metal: 13920000Contained Unit: MTUView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- tungsten
- Ticker
- NCF
Resource Data
- Category
- probable
- Tonnes
- 191200000
- Grade
- 0.073
- Grade Unit
- %
- Contained Metal
- 13920000
- Contained Unit
- MTU
- Cutoff Grade
- 16.31
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The probable tungsten reserve significantly expands the project's economic inventory, providing a strong foundation for a long mine life with good confidence.
Positive factors
- High confidence reserve category (Probable)
- Substantial contained metal for tungsten
- Contributes to a long mine life
Evidence · table
“0.073”
Context: 191.2
probableSisson Project · molybdenumTonnes: 191200000Grade: 0.021Grade Unit: %Contained Metal: 90580000Contained Unit: lbView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- molybdenum
- Ticker
- NCF
Resource Data
- Category
- probable
- Tonnes
- 191200000
- Grade
- 0.021
- Grade Unit
- %
- Contained Metal
- 90580000
- Contained Unit
- lb
- Cutoff Grade
- 16.31
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The probable molybdenum reserve further strengthens the project's economic profile as a valuable byproduct, contributing to the positive financial outlook.
Positive factors
- High confidence reserve category (Probable)
- Substantial contained metal for molybdenum as a critical byproduct
- Enhances overall project economics
Evidence · table
“0.021”
Context: 191.2
measuredSisson Project · tungstenTonnes: 117900000Grade: 0.068Grade Unit: %Contained Metal: 8000000Contained Unit: MTUView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- tungsten
- Ticker
- NCF
Resource Data
- Category
- measured
- Tonnes
- 117900000
- Grade
- 0.068
- Grade Unit
- %
- Contained Metal
- 8000000
- Contained Unit
- MTU
- Cutoff Grade
- 12.02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The measured tungsten resource provides a high-confidence geological estimate, forming a solid base for future reserve conversion and project planning.
Positive factors
- High confidence resource category (Measured)
- Significant contained metal for tungsten
Evidence · table
“0.068”
Context: 117.9
measuredSisson Project · molybdenumTonnes: 117900000Grade: 0.022Grade Unit: %Contained Metal: 57200000Contained Unit: lbView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- molybdenum
- Ticker
- NCF
Resource Data
- Category
- measured
- Tonnes
- 117900000
- Grade
- 0.022
- Grade Unit
- %
- Contained Metal
- 57200000
- Contained Unit
- lb
- Cutoff Grade
- 12.02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The measured molybdenum resource adds to the project's overall metal inventory with high geological confidence, supporting its byproduct potential.
Positive factors
- High confidence resource category (Measured)
- Significant contained metal for molybdenum
Evidence · table
“0.022”
Context: 117.9
indicatedSisson Project · tungstenTonnes: 303700000Grade: 0.061Grade Unit: %Contained Metal: 18500000Contained Unit: MTUView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- tungsten
- Ticker
- NCF
Resource Data
- Category
- indicated
- Tonnes
- 303700000
- Grade
- 0.061
- Grade Unit
- %
- Contained Metal
- 18500000
- Contained Unit
- MTU
- Cutoff Grade
- 12.02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The indicated tungsten resource significantly contributes to the project's total resource base, providing a good level of confidence for future studies and conversion to reserves.
Positive factors
- Good confidence resource category (Indicated)
- Substantial contained metal for tungsten
Evidence · table
“0.061”
Context: 303.7
indicatedSisson Project · molybdenumTonnes: 303700000Grade: 0.019Grade Unit: %Contained Metal: 127200000Contained Unit: lbView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- molybdenum
- Ticker
- NCF
Resource Data
- Category
- indicated
- Tonnes
- 303700000
- Grade
- 0.019
- Grade Unit
- %
- Contained Metal
- 127200000
- Contained Unit
- lb
- Cutoff Grade
- 12.02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The indicated molybdenum resource adds significant byproduct potential to the project, with a good level of geological confidence.
Positive factors
- Good confidence resource category (Indicated)
- Substantial contained metal for molybdenum
Evidence · table
“0.019”
Context: 303.7
inferredSisson Project · tungstenTonnes: 182900000Grade: 0.048Grade Unit: %Contained Metal: 8800000Contained Unit: MTUView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- tungsten
- Ticker
- NCF
Resource Data
- Category
- inferred
- Tonnes
- 182900000
- Grade
- 0.048
- Grade Unit
- %
- Contained Metal
- 8800000
- Contained Unit
- MTU
- Cutoff Grade
- 12.02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The inferred tungsten resource represents additional potential but requires further drilling to upgrade its confidence level for economic evaluation.
Positive factors
- Adds to the overall resource base and future exploration potential
Negative factors
- Lowest confidence resource category (Inferred)
- Cannot be used for economic studies without further drilling
Evidence · table
“0.048”
Context: 182.9
inferredSisson Project · molybdenumTonnes: 182900000Grade: 0.02Grade Unit: %Contained Metal: 80600000Contained Unit: lbView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- molybdenum
- Ticker
- NCF
Resource Data
- Category
- inferred
- Tonnes
- 182900000
- Grade
- 0.02
- Grade Unit
- %
- Contained Metal
- 80600000
- Contained Unit
- lb
- Cutoff Grade
- 12.02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The inferred molybdenum resource indicates additional byproduct potential but requires further work to increase geological confidence.
Positive factors
- Adds to the overall resource base and future exploration potential
Negative factors
- Lowest confidence resource category (Inferred)
- Cannot be used for economic studies without further drilling
Evidence · table
“0.020”
Context: 182.9
measuredSisson Project · tungstenView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- tungsten
- Ticker
- NCF
Resource Data
- Category
- measured
- Cutoff Grade
- 12.02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The measured tungsten equivalent grade offers a comprehensive value metric for the polymetallic resource, with transparent assumptions supporting its credibility.
Positive factors
- Metal equivalent grade provides a combined value metric
- Assumptions for calculation are disclosed
Evidence · table
“0.098”
Context: 117.9
indicatedSisson Project · tungstenView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- tungsten
- Ticker
- NCF
Resource Data
- Category
- indicated
- Cutoff Grade
- 12.02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The indicated tungsten equivalent grade provides a useful combined value metric for the polymetallic resource, with transparent assumptions.
Positive factors
- Metal equivalent grade provides a combined value metric
- Assumptions for calculation are disclosed
Evidence · table
“0.088”
Context: 303.7
inferredSisson Project · tungstenView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- tungsten
- Ticker
- NCF
Resource Data
- Category
- inferred
- Cutoff Grade
- 12.02
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The inferred tungsten equivalent grade offers a combined value metric for the polymetallic resource, but its low confidence category limits its immediate utility.
Positive factors
- Metal equivalent grade provides a combined value metric
- Assumptions for calculation are disclosed
Negative factors
- Lowest confidence resource category (Inferred)
Evidence · table
“0.078”
Context: 182.9
Fact 14Sisson Project · tungstenView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- tungsten
- Ticker
- NCF
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The project demonstrates robust production potential for tungsten over a long mine life, supported by a good recovery rate, contributing positively to project economics.
Positive factors
- Long mine life supports sustained production
- Significant annual and life-of-mine production figures
- Recovery rate is good for the processing route
Evidence · table
“598,000 MTU/a”
Context: Tungsten (WO 3 ) Production
Fact 15Sisson Project · molybdenumView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- molybdenum
- Ticker
- NCF
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: Molybdenum production provides substantial byproduct revenue over the project's long life, with a strong recovery rate, enhancing overall project value.
Positive factors
- Significant annual and life-of-mine production figures for molybdenum as a byproduct
- Recovery rate is good for the processing route
Evidence · table
“4.2 M lbs/a”
Context: Molybdenum Production
Fact 16Sisson Project · tungstenGrade: 0.075Grade Unit: %View all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- tungsten
- Ticker
- NCF
Resource Data
- Grade
- 0.075
- Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The average tungsten grade and recovery are deemed economic for the proposed open pit operation, contributing to the project's positive financial results.
Positive factors
- Average grade and recovery support economic viability for an open pit operation
Evidence · table
“0.075% / 78.0%”
Context: Avg. WO 3 Grade / Recovery
Fact 17Sisson Project · molybdenumGrade: 227Grade Unit: ppmView all detailsHide details
Identity
- Project
- Sisson Project
- Commodity
- molybdenum
- Ticker
- NCF
Resource Data
- Grade
- 227
- Grade Unit
- ppm
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The average molybdenum grade and recovery are economic for a byproduct, adding value to the project's overall financial performance.
Positive factors
- Average grade and recovery support economic viability for molybdenum byproduct
Evidence · table
“227 ppm / 82.0%”
Context: Avg. Molybdenum Grade / Recovery
Fact 18Sisson ProjectView all detailsHide details
Identity
- Project
- Sisson Project
- Ticker
- NCF
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: The project's financial metrics, including a high NPV, IRR, and short payback, demonstrate exceptional economic viability, making this a highly positive and material update.
Positive factors
- Very high post-tax NPV and IRR indicate strong project economics
- Short payback period reduces investment risk
- Initial and sustaining CAPEX are within expected ranges for a project of this scale
Evidence · table
“$ 6,915 M”
Context: Net Present Value (8%)
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.