Nevgold Files NI 43-101 Technical Report For Mineral Resource Estimate on the Limousine Butte Gold-Antimony Project, Nevada
Original announcement by globenewswire on
- Company
- NevGold Corp.
- Ticker
- NAU
- Exchange
- Unavailable
- Region
- Nevada
- Primary commodity
- Gold
- Secondary commodities
- Antimony, Silver
- Document categories
- Resource update
- Extracted
- 2026-08-31 14:39:55 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
NevGold Corp. has filed the NI 43-101 technical report for its maiden Mineral Resource Estimate on the Limousine Butte gold-antimony project in Nevada. The report formalizes the previously announced estimate, outlining a large-scale oxide gold-antimony resource. The company highlights the strategic importance of the project and its potential for near-term antimony production from historical leach pads, with further drilling planned to expand and upgrade the resource.
Reasoning: NevGold has filed the NI 43-101 technical report for its maiden Mineral Resource Estimate on the Limousine Butte gold-antimony project, confirming a significant gold-antimony resource in Nevada. While the MRE details were previously announced, this formal filing is a positive step, establishing a baseline for the project. However, the resource has a low Measured and Indicated component and marginal grades for an open-pit scenario.
Positive factors
- Maiden Resource
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Contained Gold Scale
Negative factors
- Low M&I Percentage
- Grades are Marginal
- MRE Previously Disclosed
Facts used in scoring: 79
Classification and evidence
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The technical report is explicitly stated to be prepared in accordance with National Instrument 43-101 - Standards of Disclosure for Mineral Projects ('NI 43-101').
Evidence · text
“prepared by Gregory Z. Mosher, P. Geo., M.Sc. Applied, and Daniel W. Kappes, P.E. in accordance with National Instrument 43-101 - Standards of Disclosure for Mineral Projects (“ NI 43-101 ”)”
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 technical report was prepared by Gregory Z. Mosher, P. Geo., M.Sc. Applied, and Daniel W. Kappes, P.E., and technical information was reviewed and approved by Greg French, CPG, NevGold’s Qualified Person.
Evidence · text
“prepared by Gregory Z. Mosher, P. Geo., M.Sc. Applied, and Daniel W. Kappes, P.E.”
Maiden Resourceneutral
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component.
Why it applies: The company explicitly refers to this as its 'maiden Mineral Resource Estimate'.
Evidence · text
“maiden Mineral Resource Estimate (“ MRE ”) for the Limousine Butte gold-antimony project”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: A significant portion of the resource (117.5 Mt out of 132.7 Mt total) is classified as Inferred.
Evidence · table
“117.5”
Context: Total Inferred
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: The document clearly states the cut-off grades used for the resource estimate, including 0.30 g/t AuEq for most zones and 0.15 g/t Au for Northern Zones.
Evidence · text
“Mineral Resources for Leach Pads, Pre-Strip Dump, Resurrection, and Cadillac Valley are reported at a cut-off grade of 0.30 g/t AuEq.”
Open Pit Mining Methodneutral · Story-specific tag
No canonical definition is currently available.
Why it applies: The resource estimate is based on an 'open-pit mining scenario'.
Evidence · text
“open-pit mining scenario contemplating recovery of gold and antimony.”
Stale Data Re-releasenegative · Story-specific tag
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: The document states 'There are no material differences between the MRE in the Technical Report and the information previously disclosed in the Company’s news release dated July 15, 2026,' indicating the MRE itself is not new information.
Evidence · text
“There are no material differences between the MRE in the Technical Report and the information previously disclosed in the Company’s news release dated July 15, 2026.”
Extracted facts
Stored fact records: 79. Some facts used in scoring do not have a stored record.
Resource Estimates (79)
measuredLimousine Butte · goldTonnes: 1000000Grade: 0.31Grade Unit: g/tContained Metal: 9500Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- measured
- Tonnes
- 1000000
- Grade
- 0.31
- Grade Unit
- g/t
- Contained Metal
- 9500
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured resource for gold in leach pads is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Marginal Grade
Evidence · table
“0.31”
Context: 1.0
measuredLimousine Butte · silverTonnes: 1000000Grade: 2.8Grade Unit: g/tContained Metal: 87000Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- measured
- Tonnes
- 1000000
- Grade
- 2.8
- Grade Unit
- g/t
- Contained Metal
- 87000
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured resource for silver in leach pads is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
Evidence · table
“2.80”
Context: 1.0
measuredLimousine Butte · antimonyTonnes: 1000000Grade: 0.26Grade Unit: %Contained Metal: 2600Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- measured
- Tonnes
- 1000000
- Grade
- 0.26
- Grade Unit
- %
- Contained Metal
- 2600
- Contained Unit
- t
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured resource for antimony in leach pads is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.26%”
Context: 1.0
indicatedLimousine Butte · goldTonnes: 1200000Grade: 0.29Grade Unit: g/tContained Metal: 11600Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 1200000
- Grade
- 0.29
- Grade Unit
- g/t
- Contained Metal
- 11600
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for gold in leach pads is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Marginal Grade
Evidence · table
“0.29”
Context: 1.2
indicatedLimousine Butte · silverTonnes: 1200000Grade: 2.43Grade Unit: g/tContained Metal: 96700Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 1200000
- Grade
- 2.43
- Grade Unit
- g/t
- Contained Metal
- 96700
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for silver in leach pads is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
Evidence · table
“2.43”
Context: 1.2
indicatedLimousine Butte · antimonyTonnes: 1200000Grade: 0.3Grade Unit: %Contained Metal: 3700Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 1200000
- Grade
- 0.3
- Grade Unit
- %
- Contained Metal
- 3700
- Contained Unit
- t
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for antimony in leach pads is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.30%”
Context: 1.2
indicatedLimousine Butte · goldTonnes: 90000Grade: 0.3Grade Unit: g/tContained Metal: 900Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 90000
- Grade
- 0.3
- Grade Unit
- g/t
- Contained Metal
- 900
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for gold in the Pre-Strip Dump is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Marginal Grade
Evidence · table
“0.30”
Context: 0.09
indicatedLimousine Butte · silverTonnes: 90000Grade: 0.13Grade Unit: g/tContained Metal: 400Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 90000
- Grade
- 0.13
- Grade Unit
- g/t
- Contained Metal
- 400
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for silver in the Pre-Strip Dump is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.13”
Context: 0.09
indicatedLimousine Butte · antimonyTonnes: 90000Grade: 0.65Grade Unit: %Contained Metal: 600Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 90000
- Grade
- 0.65
- Grade Unit
- %
- Contained Metal
- 600
- Contained Unit
- t
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for antimony in the Pre-Strip Dump is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.65%”
Context: 0.09
indicatedLimousine Butte · goldTonnes: 12900000Grade: 0.38Grade Unit: g/tContained Metal: 159400Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 12900000
- Grade
- 0.38
- Grade Unit
- g/t
- Contained Metal
- 159400
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for gold in Resurrection is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Marginal Grade
Evidence · table
“0.38”
Context: 12.9
indicatedLimousine Butte · silverTonnes: 12900000Grade: 0.91Grade Unit: g/tContained Metal: 378100Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 12900000
- Grade
- 0.91
- Grade Unit
- g/t
- Contained Metal
- 378100
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for silver in Resurrection is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.91”
Context: 12.9
indicatedLimousine Butte · antimonyTonnes: 12900000Grade: 0.19Grade Unit: %Contained Metal: 24900Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 12900000
- Grade
- 0.19
- Grade Unit
- %
- Contained Metal
- 24900
- Contained Unit
- t
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for antimony in Resurrection is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.19%”
Context: 12.9
indicatedLimousine Butte · goldTonnes: 15200000Grade: 0.37Grade Unit: g/tContained Metal: 181400Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 15200000
- Grade
- 0.37
- Grade Unit
- g/t
- Contained Metal
- 181400
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This total Measured & Indicated resource for gold is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Marginal Grade
Evidence · table
“0.37”
Context: 15.2
indicatedLimousine Butte · silverTonnes: 15200000Grade: 1.15Grade Unit: g/tContained Metal: 562200Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 15200000
- Grade
- 1.15
- Grade Unit
- g/t
- Contained Metal
- 562200
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This total Measured & Indicated resource for silver is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
Evidence · table
“1.15”
Context: 15.2
indicatedLimousine Butte · antimonyTonnes: 15200000Grade: 0.21Grade Unit: %Contained Metal: 31800Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 15200000
- Grade
- 0.21
- Grade Unit
- %
- Contained Metal
- 31800
- Contained Unit
- t
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This total Measured & Indicated resource for antimony is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.21%”
Context: 15.2
inferredLimousine Butte · goldTonnes: 50000Grade: 0.28Grade Unit: g/tContained Metal: 400Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 50000
- Grade
- 0.28
- Grade Unit
- g/t
- Contained Metal
- 400
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for gold in the Pre-Strip Dump is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Inferred Resource
- Marginal Grade
Evidence · table
“0.28”
Context: 0.05
inferredLimousine Butte · silverTonnes: 50000Grade: 0.03Grade Unit: g/tContained Metal: 40Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 50000
- Grade
- 0.03
- Grade Unit
- g/t
- Contained Metal
- 40
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for silver in the Pre-Strip Dump is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.03”
Context: 0.05
inferredLimousine Butte · antimonyTonnes: 50000Grade: 0.99Grade Unit: %Contained Metal: 500Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 50000
- Grade
- 0.99
- Grade Unit
- %
- Contained Metal
- 500
- Contained Unit
- t
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for antimony in the Pre-Strip Dump is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.99%”
Context: 0.05
inferredLimousine Butte · goldTonnes: 28500000Grade: 0.29Grade Unit: g/tContained Metal: 261600Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 28500000
- Grade
- 0.29
- Grade Unit
- g/t
- Contained Metal
- 261600
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for gold in Resurrection is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Inferred Resource
- Marginal Grade
Evidence · table
“0.29”
Context: 28.5
inferredLimousine Butte · silverTonnes: 28500000Grade: 0.87Grade Unit: g/tContained Metal: 799100Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 28500000
- Grade
- 0.87
- Grade Unit
- g/t
- Contained Metal
- 799100
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for silver in Resurrection is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.87”
Context: 28.5
inferredLimousine Butte · antimonyTonnes: 28500000Grade: 0.12Grade Unit: %Contained Metal: 34600Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 28500000
- Grade
- 0.12
- Grade Unit
- %
- Contained Metal
- 34600
- Contained Unit
- t
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for antimony in Resurrection is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.12%”
Context: 28.5
inferredLimousine Butte · goldTonnes: 57200000Grade: 0.37Grade Unit: g/tContained Metal: 686500Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 57200000
- Grade
- 0.37
- Grade Unit
- g/t
- Contained Metal
- 686500
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for gold in Cadillac Valley is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Inferred Resource
- Marginal Grade
Evidence · table
“0.37”
Context: 57.2
inferredLimousine Butte · silverTonnes: 57200000Grade: 0.49Grade Unit: g/tContained Metal: 895700Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 57200000
- Grade
- 0.49
- Grade Unit
- g/t
- Contained Metal
- 895700
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for silver in Cadillac Valley is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.49”
Context: 57.2
inferredLimousine Butte · antimonyTonnes: 57200000Grade: 0.07Grade Unit: %Contained Metal: 40600Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 57200000
- Grade
- 0.07
- Grade Unit
- %
- Contained Metal
- 40600
- Contained Unit
- t
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for antimony in Cadillac Valley is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.07%”
Context: 57.2
inferredLimousine Butte · goldTonnes: 31700000Grade: 0.25Grade Unit: g/tContained Metal: 255000Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 31700000
- Grade
- 0.25
- Grade Unit
- g/t
- Contained Metal
- 255000
- Contained Unit
- oz
- Cutoff Grade
- 0.15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for gold in Northern Zones is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information. Note that the cut-off grade is different for this zone.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Inferred Resource
- Marginal Grade
Evidence · table
“0.25”
Context: 31.7
inferredLimousine Butte · goldTonnes: 117500000Grade: 0.32Grade Unit: g/tContained Metal: 1203500Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 117500000
- Grade
- 0.32
- Grade Unit
- g/t
- Contained Metal
- 1203500
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This total Inferred resource for gold is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Contained Gold Scale
Negative factors
- MRE Previously Disclosed
- Inferred Resource
- Marginal Grade
Evidence · table
“0.32”
Context: 117.5
inferredLimousine Butte · silverTonnes: 117500000Grade: 0.61Grade Unit: g/tContained Metal: 1694840Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 117500000
- Grade
- 0.61
- Grade Unit
- g/t
- Contained Metal
- 1694840
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This total Inferred resource for silver is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.61”
Context: 117.5
inferredLimousine Butte · antimonyTonnes: 117500000Grade: 0.09Grade Unit: %Contained Metal: 75700Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 117500000
- Grade
- 0.09
- Grade Unit
- %
- Contained Metal
- 75700
- Contained Unit
- t
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This total Inferred resource for antimony is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.09%”
Context: 117.5
measuredLimousine Butte · goldTonnes: 1000000Grade: 0.31Grade Unit: g/tContained Metal: 9500Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- measured
- Tonnes
- 1000000
- Grade
- 0.31
- Grade Unit
- g/t
- Contained Metal
- 9500
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured resource for gold in leach pads is part of the antimony sub-domains, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Marginal Grade
Evidence · table
“0.31”
Context: 1.0
measuredLimousine Butte · silverTonnes: 1000000Grade: 2.8Grade Unit: g/tContained Metal: 87000Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- measured
- Tonnes
- 1000000
- Grade
- 2.8
- Grade Unit
- g/t
- Contained Metal
- 87000
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured resource for silver in leach pads is part of the antimony sub-domains, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
Evidence · table
“2.80”
Context: 1.0
measuredLimousine Butte · antimonyTonnes: 1000000Grade: 0.26Grade Unit: %Contained Metal: 2600Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- measured
- Tonnes
- 1000000
- Grade
- 0.26
- Grade Unit
- %
- Contained Metal
- 2600
- Contained Unit
- t
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured resource for antimony in leach pads is part of the antimony sub-domains, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.26%”
Context: 1.0
indicatedLimousine Butte · goldTonnes: 1200000Grade: 0.29Grade Unit: g/tContained Metal: 11600Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 1200000
- Grade
- 0.29
- Grade Unit
- g/t
- Contained Metal
- 11600
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for gold in leach pads is part of the antimony sub-domains, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Marginal Grade
Evidence · table
“0.29”
Context: 1.2
indicatedLimousine Butte · silverTonnes: 1200000Grade: 2.44Grade Unit: g/tContained Metal: 96700Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 1200000
- Grade
- 2.44
- Grade Unit
- g/t
- Contained Metal
- 96700
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for silver in leach pads is part of the antimony sub-domains, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
Evidence · table
“2.44”
Context: 1.2
indicatedLimousine Butte · antimonyTonnes: 1200000Grade: 0.3Grade Unit: %Contained Metal: 3700Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 1200000
- Grade
- 0.3
- Grade Unit
- %
- Contained Metal
- 3700
- Contained Unit
- t
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for antimony in leach pads is part of the antimony sub-domains, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.30%”
Context: 1.2
indicatedLimousine Butte · goldTonnes: 90000Grade: 0.3Grade Unit: g/tContained Metal: 900Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 90000
- Grade
- 0.3
- Grade Unit
- g/t
- Contained Metal
- 900
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for gold in the Pre-Strip Dump is part of the antimony sub-domains, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Marginal Grade
Evidence · table
“0.30”
Context: 0.09
indicatedLimousine Butte · silverTonnes: 90000Grade: 0.13Grade Unit: g/tContained Metal: 400Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 90000
- Grade
- 0.13
- Grade Unit
- g/t
- Contained Metal
- 400
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for silver in the Pre-Strip Dump is part of the antimony sub-domains, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.13”
Context: 0.09
indicatedLimousine Butte · antimonyTonnes: 90000Grade: 0.65Grade Unit: %Contained Metal: 600Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 90000
- Grade
- 0.65
- Grade Unit
- %
- Contained Metal
- 600
- Contained Unit
- t
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for antimony in the Pre-Strip Dump is part of the antimony sub-domains, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.65%”
Context: 0.09
indicatedLimousine Butte · goldTonnes: 9100000Grade: 0.37Grade Unit: g/tContained Metal: 107500Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 9100000
- Grade
- 0.37
- Grade Unit
- g/t
- Contained Metal
- 107500
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for gold in Resurrection is part of the antimony sub-domains, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Marginal Grade
Evidence · table
“0.37”
Context: 9.1
indicatedLimousine Butte · silverTonnes: 9100000Grade: 0.97Grade Unit: g/tContained Metal: 283500Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 9100000
- Grade
- 0.97
- Grade Unit
- g/t
- Contained Metal
- 283500
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for silver in Resurrection is part of the antimony sub-domains, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.97”
Context: 9.1
indicatedLimousine Butte · antimonyTonnes: 9100000Grade: 0.25Grade Unit: %Contained Metal: 22700Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 9100000
- Grade
- 0.25
- Grade Unit
- %
- Contained Metal
- 22700
- Contained Unit
- t
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Indicated resource for antimony in Resurrection is part of the antimony sub-domains, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.25%”
Context: 9.1
indicatedLimousine Butte · goldTonnes: 11300000Grade: 0.36Grade Unit: g/tContained Metal: 129500Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 11300000
- Grade
- 0.36
- Grade Unit
- g/t
- Contained Metal
- 129500
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This total Measured & Indicated resource for gold in antimony sub-domains is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Marginal Grade
Evidence · table
“0.36”
Context: 11.3
indicatedLimousine Butte · silverTonnes: 11300000Grade: 1.28Grade Unit: g/tContained Metal: 467600Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 11300000
- Grade
- 1.28
- Grade Unit
- g/t
- Contained Metal
- 467600
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This total Measured & Indicated resource for silver in antimony sub-domains is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
Evidence · table
“1.28”
Context: 11.3
indicatedLimousine Butte · antimonyTonnes: 11300000Grade: 0.26Grade Unit: %Contained Metal: 29600Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 11300000
- Grade
- 0.26
- Grade Unit
- %
- Contained Metal
- 29600
- Contained Unit
- t
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This total Measured & Indicated resource for antimony in antimony sub-domains is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.26%”
Context: 11.3
inferredLimousine Butte · goldTonnes: 40000Grade: 0.28Grade Unit: g/tContained Metal: 400Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 40000
- Grade
- 0.28
- Grade Unit
- g/t
- Contained Metal
- 400
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for gold in the Pre-Strip Dump is part of the antimony sub-domains, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Inferred Resource
- Marginal Grade
Evidence · table
“0.28”
Context: 0.04
inferredLimousine Butte · silverTonnes: 40000Grade: 0.03Grade Unit: g/tContained Metal: 40Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 40000
- Grade
- 0.03
- Grade Unit
- g/t
- Contained Metal
- 40
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for silver in the Pre-Strip Dump is part of the antimony sub-domains, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.03”
Context: 0.04
inferredLimousine Butte · antimonyTonnes: 40000Grade: 1.02Grade Unit: %Contained Metal: 500Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 40000
- Grade
- 1.02
- Grade Unit
- %
- Contained Metal
- 500
- Contained Unit
- t
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for antimony in the Pre-Strip Dump is part of the antimony sub-domains, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“1.02%”
Context: 0.04
inferredLimousine Butte · goldTonnes: 14100000Grade: 0.19Grade Unit: g/tContained Metal: 87300Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 14100000
- Grade
- 0.19
- Grade Unit
- g/t
- Contained Metal
- 87300
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for gold in Resurrection is part of the antimony sub-domains, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Inferred Resource
- Marginal Grade
Evidence · table
“0.19”
Context: 14.1
inferredLimousine Butte · silverTonnes: 14100000Grade: 0.61Grade Unit: g/tContained Metal: 275700Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 14100000
- Grade
- 0.61
- Grade Unit
- g/t
- Contained Metal
- 275700
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for silver in Resurrection is part of the antimony sub-domains, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.61”
Context: 14.1
inferredLimousine Butte · antimonyTonnes: 14100000Grade: 0.2Grade Unit: %Contained Metal: 27600Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 14100000
- Grade
- 0.2
- Grade Unit
- %
- Contained Metal
- 27600
- Contained Unit
- t
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for antimony in Resurrection is part of the antimony sub-domains, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.20%”
Context: 14.1
inferredLimousine Butte · goldTonnes: 12700000Grade: 0.26Grade Unit: g/tContained Metal: 108400Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 12700000
- Grade
- 0.26
- Grade Unit
- g/t
- Contained Metal
- 108400
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for gold in Cadillac Valley is part of the antimony sub-domains, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Inferred Resource
- Marginal Grade
Evidence · table
“0.26”
Context: 12.7
inferredLimousine Butte · silverTonnes: 12700000Grade: 0.53Grade Unit: g/tContained Metal: 218100Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 12700000
- Grade
- 0.53
- Grade Unit
- g/t
- Contained Metal
- 218100
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for silver in Cadillac Valley is part of the antimony sub-domains, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.53”
Context: 12.7
inferredLimousine Butte · antimonyTonnes: 12700000Grade: 0.16Grade Unit: %Contained Metal: 20000Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 12700000
- Grade
- 0.16
- Grade Unit
- %
- Contained Metal
- 20000
- Contained Unit
- t
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for antimony in Cadillac Valley is part of the antimony sub-domains, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.16%”
Context: 12.7
inferredLimousine Butte · goldTonnes: 26900000Grade: 0.23Grade Unit: g/tContained Metal: 196100Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 26900000
- Grade
- 0.23
- Grade Unit
- g/t
- Contained Metal
- 196100
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This total Inferred resource for gold in antimony sub-domains is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Inferred Resource
- Marginal Grade
Evidence · table
“0.23”
Context: 26.9
inferredLimousine Butte · silverTonnes: 26900000Grade: 0.57Grade Unit: g/tContained Metal: 493900Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 26900000
- Grade
- 0.57
- Grade Unit
- g/t
- Contained Metal
- 493900
- Contained Unit
- oz
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This total Inferred resource for silver in antimony sub-domains is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.57”
Context: 26.9
inferredLimousine Butte · antimonyTonnes: 26900000Grade: 0.18Grade Unit: %Contained Metal: 48100Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 26900000
- Grade
- 0.18
- Grade Unit
- %
- Contained Metal
- 48100
- Contained Unit
- t
- Cutoff Grade
- 0.1
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This total Inferred resource for antimony in antimony sub-domains is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Antimony Sub-Domains
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.18%”
Context: 26.9
indicatedLimousine Butte · goldTonnes: 8900000Grade: 0.51Grade Unit: g/tContained Metal: 144200Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 8900000
- Grade
- 0.51
- Grade Unit
- g/t
- Contained Metal
- 144200
- Contained Unit
- oz
- Cutoff Grade
- 0.6
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured & Indicated resource for gold at a 0.60 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.51”
Context: 8.9
indicatedLimousine Butte · silverTonnes: 8900000Grade: 1.41Grade Unit: g/tContained Metal: 400000Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 8900000
- Grade
- 1.41
- Grade Unit
- g/t
- Contained Metal
- 400000
- Contained Unit
- oz
- Cutoff Grade
- 0.6
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured & Indicated resource for silver at a 0.60 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
Evidence · table
“1.41”
Context: 8.9
indicatedLimousine Butte · antimonyTonnes: 8900000Grade: 0.28Grade Unit: %Contained Metal: 25100Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 8900000
- Grade
- 0.28
- Grade Unit
- %
- Contained Metal
- 25100
- Contained Unit
- t
- Cutoff Grade
- 0.6
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured & Indicated resource for antimony at a 0.60 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.28%”
Context: 8.9
inferredLimousine Butte · goldTonnes: 51800000Grade: 0.41Grade Unit: g/tContained Metal: 690700Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 51800000
- Grade
- 0.41
- Grade Unit
- g/t
- Contained Metal
- 690700
- Contained Unit
- oz
- Cutoff Grade
- 0.6
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for gold at a 0.60 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.41”
Context: 51.8
inferredLimousine Butte · silverTonnes: 51800000Grade: 1.08Grade Unit: g/tContained Metal: 700220Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 51800000
- Grade
- 1.08
- Grade Unit
- g/t
- Contained Metal
- 700220
- Contained Unit
- oz
- Cutoff Grade
- 0.6
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for silver at a 0.60 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“1.08”
Context: 51.8
inferredLimousine Butte · antimonyTonnes: 51800000Grade: 0.14Grade Unit: %Contained Metal: 28600Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 51800000
- Grade
- 0.14
- Grade Unit
- %
- Contained Metal
- 28600
- Contained Unit
- t
- Cutoff Grade
- 0.6
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for antimony at a 0.60 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.14%”
Context: 51.8
indicatedLimousine Butte · goldTonnes: 11300000Grade: 0.44Grade Unit: g/tContained Metal: 160600Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 11300000
- Grade
- 0.44
- Grade Unit
- g/t
- Contained Metal
- 160600
- Contained Unit
- oz
- Cutoff Grade
- 0.45
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured & Indicated resource for gold at a 0.45 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
- Marginal Grade
Evidence · table
“0.44”
Context: 11.3
indicatedLimousine Butte · silverTonnes: 11300000Grade: 1.28Grade Unit: g/tContained Metal: 463100Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 11300000
- Grade
- 1.28
- Grade Unit
- g/t
- Contained Metal
- 463100
- Contained Unit
- oz
- Cutoff Grade
- 0.45
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured & Indicated resource for silver at a 0.45 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
Evidence · table
“1.28”
Context: 11.3
indicatedLimousine Butte · antimonyTonnes: 11300000Grade: 0.25Grade Unit: %Contained Metal: 28400Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 11300000
- Grade
- 0.25
- Grade Unit
- %
- Contained Metal
- 28400
- Contained Unit
- t
- Cutoff Grade
- 0.45
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured & Indicated resource for antimony at a 0.45 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.25%”
Context: 11.3
inferredLimousine Butte · goldTonnes: 70300000Grade: 0.38Grade Unit: g/tContained Metal: 868000Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 70300000
- Grade
- 0.38
- Grade Unit
- g/t
- Contained Metal
- 868000
- Contained Unit
- oz
- Cutoff Grade
- 0.45
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for gold at a 0.45 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
- Inferred Resource
- Marginal Grade
Evidence · table
“0.38”
Context: 70.3
inferredLimousine Butte · silverTonnes: 70300000Grade: 0.83Grade Unit: g/tContained Metal: 1036340Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 70300000
- Grade
- 0.83
- Grade Unit
- g/t
- Contained Metal
- 1036340
- Contained Unit
- oz
- Cutoff Grade
- 0.45
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for silver at a 0.45 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.83”
Context: 70.3
inferredLimousine Butte · antimonyTonnes: 70300000Grade: 0.12Grade Unit: %Contained Metal: 46000Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 70300000
- Grade
- 0.12
- Grade Unit
- %
- Contained Metal
- 46000
- Contained Unit
- t
- Cutoff Grade
- 0.45
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for antimony at a 0.45 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.12%”
Context: 70.3
indicatedLimousine Butte · goldTonnes: 15200000Grade: 0.37Grade Unit: g/tContained Metal: 181400Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 15200000
- Grade
- 0.37
- Grade Unit
- g/t
- Contained Metal
- 181400
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured & Indicated resource for gold at a 0.30 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
- Marginal Grade
Evidence · table
“0.37”
Context: 15.2
indicatedLimousine Butte · silverTonnes: 15200000Grade: 1.15Grade Unit: g/tContained Metal: 562200Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 15200000
- Grade
- 1.15
- Grade Unit
- g/t
- Contained Metal
- 562200
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured & Indicated resource for silver at a 0.30 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
Evidence · table
“1.15”
Context: 15.2
indicatedLimousine Butte · antimonyTonnes: 15200000Grade: 0.21Grade Unit: %Contained Metal: 31800Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 15200000
- Grade
- 0.21
- Grade Unit
- %
- Contained Metal
- 31800
- Contained Unit
- t
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured & Indicated resource for antimony at a 0.30 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.21%”
Context: 15.2
inferredLimousine Butte · goldTonnes: 117500000Grade: 0.32Grade Unit: g/tContained Metal: 1203500Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 117500000
- Grade
- 0.32
- Grade Unit
- g/t
- Contained Metal
- 1203500
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for gold at a 0.30 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
- Contained Gold Scale
Negative factors
- MRE Previously Disclosed
- Inferred Resource
- Marginal Grade
Evidence · table
“0.32”
Context: 117.5
inferredLimousine Butte · silverTonnes: 117500000Grade: 0.61Grade Unit: g/tContained Metal: 1694840Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 117500000
- Grade
- 0.61
- Grade Unit
- g/t
- Contained Metal
- 1694840
- Contained Unit
- oz
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for silver at a 0.30 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.61”
Context: 117.5
inferredLimousine Butte · antimonyTonnes: 117500000Grade: 0.09Grade Unit: %Contained Metal: 75700Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 117500000
- Grade
- 0.09
- Grade Unit
- %
- Contained Metal
- 75700
- Contained Unit
- t
- Cutoff Grade
- 0.3
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for antimony at a 0.30 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.09%”
Context: 117.5
indicatedLimousine Butte · goldTonnes: 23100000Grade: 0.28Grade Unit: g/tContained Metal: 204900Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 23100000
- Grade
- 0.28
- Grade Unit
- g/t
- Contained Metal
- 204900
- Contained Unit
- oz
- Cutoff Grade
- 0.15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured & Indicated resource for gold at a 0.15 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The grade is marginal for an open-pit scenario, and the MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
- Marginal Grade
Evidence · table
“0.28”
Context: 23.1
indicatedLimousine Butte · silverTonnes: 23100000Grade: 0.98Grade Unit: g/tContained Metal: 729300Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 23100000
- Grade
- 0.98
- Grade Unit
- g/t
- Contained Metal
- 729300
- Contained Unit
- oz
- Cutoff Grade
- 0.15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured & Indicated resource for silver at a 0.15 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.98”
Context: 23.1
indicatedLimousine Butte · antimonyTonnes: 23100000Grade: 0.16Grade Unit: %Contained Metal: 36100Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- indicated
- Tonnes
- 23100000
- Grade
- 0.16
- Grade Unit
- %
- Contained Metal
- 36100
- Contained Unit
- t
- Cutoff Grade
- 0.15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Measured & Indicated resource for antimony at a 0.15 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
Evidence · table
“0.16%”
Context: 23.1
inferredLimousine Butte · goldTonnes: 221900000Grade: 0.23Grade Unit: g/tContained Metal: 1628900Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 221900000
- Grade
- 0.23
- Grade Unit
- g/t
- Contained Metal
- 1628900
- Contained Unit
- oz
- Cutoff Grade
- 0.15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for gold at a 0.15 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
- Contained Gold Scale
Negative factors
- MRE Previously Disclosed
- Inferred Resource
- Marginal Grade
Evidence · table
“0.23”
Context: 221.9
inferredLimousine Butte · silverTonnes: 221900000Grade: 0.49Grade Unit: g/tContained Metal: 2997940Contained Unit: ozView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 221900000
- Grade
- 0.49
- Grade Unit
- g/t
- Contained Metal
- 2997940
- Contained Unit
- oz
- Cutoff Grade
- 0.15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for silver at a 0.15 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.49”
Context: 221.9
inferredLimousine Butte · antimonyTonnes: 221900000Grade: 0.06Grade Unit: %Contained Metal: 114000Contained Unit: tView all detailsHide details
Identity
- Project
- Limousine Butte
- Commodity
- antimony
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- NAU
Resource Data
- Category
- inferred
- Tonnes
- 221900000
- Grade
- 0.06
- Grade Unit
- %
- Contained Metal
- 114000
- Contained Unit
- t
- Cutoff Grade
- 0.15
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-08-31T00:00:00.000Z
Reasoning: This Inferred resource for antimony at a 0.15 g/t AuEq cut-off is part of the maiden MRE, formalized by the NI 43-101 filing. The MRE itself is not new information.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
- Open Pit Mining Method
- Cut-off Disclosed
Negative factors
- MRE Previously Disclosed
- Inferred Resource
Evidence · table
“0.06%”
Context: 221.9
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.