North Shore Intersects Significant Uranium Mineralization in All Phase 1 Drill Holes at Rio Puerco
Original announcement by orestocks on
- Company
- North Shore Uranium Ltd.
- Ticker
- NSU.V
- Exchange
- Unavailable
- Region
- New Mexico
- Primary commodity
- Uranium
- Secondary commodities
- None reported
- Document categories
- Drill results, Resource update
- Extracted
- 2026-09-03 12:30:31 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
North Shore Uranium reported positive Phase 1 drill results from its Rio Puerco uranium project in New Mexico, with all 13 holes intersecting significant uranium mineralization. Highlights include 27.0 ft at 0.30% eU3O8 in hole RP-26-18-39. The results confirm mineralization within historical resource sandstone units and are favorable for potential in-situ-recovery (ISR) mining, with all 21 intercepts below the water table, advancing the project towards a NI 43-101 compliant resource.
Reasoning: North Shore Uranium's Phase 1 drill program at Rio Puerco delivered positive results, confirming significant uranium mineralization in all holes and validating historical data. The intercepts, including strong grades, are favorable for ISR mining and represent a crucial step towards defining a modern resource, despite being based on eU3O8 estimates rather than chemical assays.
Positive factors
- Significant uranium mineralization confirmed in all 13 Phase 1 drill holes.
- Intercepts are favorable for in-situ-recovery (ISR) mining, being below the water table.
- Best intercepts show strong uranium grades (e.g., 0.30% eU3O8 over 27.0 ft).
- Drilling confirmed mineralization in key sandstone units hosting historical resources.
- True widths are assumed due to vertical holes and horizontal geology, providing clarity on geometry.
- QA/QC procedures for eU3O8 estimation and QP sign-off enhance data credibility.
Negative factors
- Grades are equivalent uranium (eU3O8) from gamma logging, not chemical assays, which may vary.
- The program is primarily for validating historical data, not a new discovery.
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 22
Classification and evidence
Strong Gradepositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The intercept in RP-26-18-39 of 0.295% eU3O8 over 8.23m and RP-26-18-640 of 0.331% eU3O8 over 3.81m are strong grades for uranium, exceeding the moderate threshold of 0.1% eU3O8.
Evidence · table
“0.295”
Context: 27.0
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: The document states that 'All intersections are assumed to be true widths given the vertical holes and the interpreted horizontal sandstone layers hosting the mineralization'.
Evidence · text
“All intersections are assumed to be true widths given the vertical holes and the interpreted horizontal sandstone layers hosting the mineralization.”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release includes detailed descriptions of downhole geophysical logging, calibration procedures, and QP sign-off for the eU3O8 estimation.
Evidence · text
“Upon completion of each drill hole, a downhole geophysical survey was completed by Century Geophysical Corporation ("Century") using a calibrated multi-parameter logging tool.”
Compositing Transparentpositive
Cut-off grade and internal dilution rules are clearly stated for reported intervals.
Why it applies: The cutoff grade of 0.02% eU3O8 and a minimum grade x thickness of 0.30 are clearly stated for the reported intervals.
Evidence · text
“Cutoff grade of 0.02% eU3O8 and a minimum grade x thickness of 0.30”
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: The drill program's objective is to 'twin' historical holes and validate historical exploration data, which is characteristic of infill drilling.
Evidence · text
“Each of the sites selected for drilling in 2026 is a "twin" of a mud rotary hole drilled by Kerr-McGee”
Metal Equivalent Assumptions Disclosedpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The document states that a disequilibrium factor of 1.0 was applied for the eU3O8 estimation.
Evidence · text
“A disequilibrium factor of 1.0 was applied based on a review of an historical chemical assay and close can assay study completed by Kerr-McGee in the 1970s”
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: Brooke Clements, MSc, P.Geol., a Qualified Person, and Chris Longton, Principal Geologist, also a Qualified Person, reviewed and approved the technical disclosure.
Evidence · text
“Mr. Brooke Clements, MSc, P.Geol., a Qualified Person as defined by National Instrument 43-101 - Standards of Disclosure for Mineral Projects and the President and CEO of North Shore, has reviewed and approved of the scientific and technical disclosure in this press release.”
eU3O8 Onlynegative · Story-specific tag
No canonical definition is currently available.
Why it applies: The reported grades are equivalent uranium (eU3O8) derived from gamma logging and have not been verified by chemical assays, which introduces potential variability.
Evidence · text
“eU3O8values are equivalent uranium grades derived from calibrated downhole gamma logging and the results presented in this news release have not been verified by chemical assays.”
Historical Estimate Onlynegative
Estimate pre-dates or does not comply with current JORC/NI 43-101 standards — requires verification drilling.
Why it applies: The document discusses a historical resource estimate from 2009 that is not NI 43-101 compliant and has not been verified by a Qualified Person.
Evidence · text
“A historical resource estimate of 6.0 million tonnes at an average grade of 0.09% eU3O8for 11.4 million pounds of U3O8was reported for Rio Puerco in 2009 by Monaro Mining NL”
Extracted facts
Stored fact records: 22. Some facts used in scoring do not have a stored record.
Drill Results (22)
RP-26-18-25Rio Puerco · uraniumGrade: 0.132Grade Unit: % eU3O8Intercept: 3.9624 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-25
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.132
- Grade Unit
- % eU3O8
- Intercept
- 3.9624 m
- True Width
- 3.9624 m
- From
- 178.308 m
- To
- 182.2704 m
- Hole Depth
- 215.9508 m
- Intercept Depth
- 178.308 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-25:178.308-182.2704
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.132
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a moderate uranium grade, contributing to the overall positive results of the Phase 1 drill program aimed at validating historical data for a future resource estimate.
Positive factors
- Moderate uranium grade for the deposit type.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.132”
Context: 13.0
RP-26-18-25Rio Puerco · uraniumGrade: 0.091Grade Unit: % eU3O8Intercept: 2.286 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-25
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.091
- Grade Unit
- % eU3O8
- Intercept
- 2.286 m
- True Width
- 2.286 m
- From
- 183.7944 m
- To
- 186.0252 m
- Hole Depth
- 215.9508 m
- Intercept Depth
- 183.7944 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-25:183.7944-186.0252
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.091
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a weak to moderate uranium grade, consistent with the overall program's objective of validating historical mineralization.
Positive factors
- Weak to moderate uranium grade.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.091”
Context: 7.5
RP-26-18-32Rio Puerco · uraniumGrade: 0.06Grade Unit: % eU3O8Intercept: 3.5052 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-32
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.06
- Grade Unit
- % eU3O8
- Intercept
- 3.5052 m
- True Width
- 3.5052 m
- From
- 168.2496 m
- To
- 171.7548 m
- Hole Depth
- 209.94944 m
- Intercept Depth
- 168.2496 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-32:168.2496-171.7548
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.06
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a weak uranium grade, but still confirms mineralization and supports the program's validation objectives.
Positive factors
- Weak uranium grade, but above cutoff.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.060”
Context: 11.5
RP-26-18-32Rio Puerco · uraniumGrade: 0.053Grade Unit: % eU3O8Intercept: 3.2004 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-32
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.053
- Grade Unit
- % eU3O8
- Intercept
- 3.2004 m
- True Width
- 3.2004 m
- From
- 175.5648 m
- To
- 178.7652 m
- Hole Depth
- 209.94944 m
- Intercept Depth
- 175.5648 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-32:175.5648-178.7652
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.053
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a weak uranium grade, but still confirms mineralization and supports the program's validation objectives.
Positive factors
- Weak uranium grade, but above cutoff.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.053”
Context: 10.5
RP-26-18-39Rio Puerco · uraniumGrade: 0.295Grade Unit: % eU3O8Intercept: 8.2296 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-39
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.295
- Grade Unit
- % eU3O8
- Intercept
- 8.2296 m
- True Width
- 8.2296 m
- From
- 200.46456 m
- To
- 208.69656 m
- Hole Depth
- 229.45664 m
- Intercept Depth
- 200.46456 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-39:200.46456-208.69656
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.295
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept represents a strong uranium grade over a significant width, making it a highlight of the Phase 1 program and highly material for validating the project's potential.
Positive factors
- Strong uranium grade, well above the moderate threshold.
- Significant intercept length, contributing to high contained metal.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.295”
Context: 27.0
RP-26-18-96Rio Puerco · uraniumGrade: 0.097Grade Unit: % eU3O8Intercept: 3.3528 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-96
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.097
- Grade Unit
- % eU3O8
- Intercept
- 3.3528 m
- True Width
- 3.3528 m
- From
- 200.5604 m
- To
- 203.9112 m
- Hole Depth
- 233.934 m
- Intercept Depth
- 200.5604 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-96:200.5604-203.9112
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.097
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a weak to moderate uranium grade, consistent with the overall program's objective of validating historical mineralization.
Positive factors
- Weak to moderate uranium grade.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.097”
Context: 11.0
RP-26-18-233Rio Puerco · uraniumGrade: 0.17Grade Unit: % eU3O8Intercept: 2.1336 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-233
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.17
- Grade Unit
- % eU3O8
- Intercept
- 2.1336 m
- True Width
- 2.1336 m
- From
- 208.87944 m
- To
- 211.01844 m
- Hole Depth
- 221.95056 m
- Intercept Depth
- 208.87944 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-233:208.87944-211.01844
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.17
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a moderate uranium grade, contributing positively to the validation of historical mineralization and the project's potential.
Positive factors
- Moderate uranium grade, above the moderate threshold.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.170”
Context: 7.0
RP-26-18-408Rio Puerco · uraniumGrade: 0.082Grade Unit: % eU3O8Intercept: 2.7432 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-408
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.082
- Grade Unit
- % eU3O8
- Intercept
- 2.7432 m
- True Width
- 2.7432 m
- From
- 157.4292 m
- To
- 160.1724 m
- Hole Depth
- 197.93712 m
- Intercept Depth
- 157.4292 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-408:157.4292-160.1724
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.082
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a weak to moderate uranium grade, consistent with the overall program's objective of validating historical mineralization.
Positive factors
- Weak to moderate uranium grade.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.082”
Context: 9.0
RP-26-18-467Rio Puerco · uraniumGrade: 0.109Grade Unit: % eU3O8Intercept: 1.524 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-467
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.109
- Grade Unit
- % eU3O8
- Intercept
- 1.524 m
- True Width
- 1.524 m
- From
- 149.86416 m
- To
- 151.38936 m
- Hole Depth
- 200.95464 m
- Intercept Depth
- 149.86416 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-467:149.86416-151.38936
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.109
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a moderate uranium grade, contributing positively to the validation of historical mineralization and the project's potential.
Positive factors
- Moderate uranium grade, above the moderate threshold.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.109”
Context: 5.0
RP-26-18-467Rio Puerco · uraniumGrade: 0.046Grade Unit: % eU3O8Intercept: 1.9812 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-467
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.046
- Grade Unit
- % eU3O8
- Intercept
- 1.9812 m
- True Width
- 1.9812 m
- From
- 165.109 m
- To
- 167.09976 m
- Hole Depth
- 200.95464 m
- Intercept Depth
- 165.109 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-467:165.109-167.09976
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.046
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a weak uranium grade, but still confirms mineralization and supports the program's validation objectives.
Positive factors
- Weak uranium grade, but above cutoff.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.046”
Context: 6.5
RP-26-18-467Rio Puerco · uraniumGrade: 0.046Grade Unit: % eU3O8Intercept: 7.1628 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-467
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.046
- Grade Unit
- % eU3O8
- Intercept
- 7.1628 m
- True Width
- 7.1628 m
- From
- 175.77816 m
- To
- 182.94096 m
- Hole Depth
- 200.95464 m
- Intercept Depth
- 175.77816 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-467:175.77816-182.94096
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.046
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a weak uranium grade over a significant width, confirming mineralization and supporting the program's validation objectives.
Positive factors
- Weak uranium grade, but above cutoff.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.046”
Context: 23.5
RP-26-18-510Rio Puerco · uraniumGrade: 0.112Grade Unit: % eU3O8Intercept: 3.2004 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-510
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.112
- Grade Unit
- % eU3O8
- Intercept
- 3.2004 m
- True Width
- 3.2004 m
- From
- 157.49016 m
- To
- 160.68576 m
- Hole Depth
- 221.95056 m
- Intercept Depth
- 157.49016 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-510:157.49016-160.68576
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.112
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a moderate uranium grade, contributing positively to the validation of historical mineralization and the project's potential.
Positive factors
- Moderate uranium grade, above the moderate threshold.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.112”
Context: 10.5
RP-26-18-510Rio Puerco · uraniumGrade: 0.086Grade Unit: % eU3O8Intercept: 1.9812 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-510
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.086
- Grade Unit
- % eU3O8
- Intercept
- 1.9812 m
- True Width
- 1.9812 m
- From
- 173.34216 m
- To
- 175.32256 m
- Hole Depth
- 221.95056 m
- Intercept Depth
- 173.34216 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-510:173.34216-175.32256
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.086
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a weak to moderate uranium grade, consistent with the overall program's objective of validating historical mineralization.
Positive factors
- Weak to moderate uranium grade.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.086”
Context: 6.5
RP-26-18-512Rio Puerco · uraniumGrade: 0.09Grade Unit: % eU3O8Intercept: 3.9624 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-512
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.09
- Grade Unit
- % eU3O8
- Intercept
- 3.9624 m
- True Width
- 3.9624 m
- From
- 173.4312 m
- To
- 177.3936 m
- Hole Depth
- 227.93664 m
- Intercept Depth
- 173.4312 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-512:173.4312-177.3936
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.09
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a weak to moderate uranium grade, consistent with the overall program's objective of validating historical mineralization.
Positive factors
- Weak to moderate uranium grade.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.090”
Context: 13.0
RP-26-18-512Rio Puerco · uraniumGrade: 0.027Grade Unit: % eU3O8Intercept: 8.382 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-512
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.027
- Grade Unit
- % eU3O8
- Intercept
- 8.382 m
- True Width
- 8.382 m
- From
- 178.308 m
- To
- 186.69 m
- Hole Depth
- 227.93664 m
- Intercept Depth
- 178.308 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-512:178.308-186.69
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.027
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a weak uranium grade, but still confirms mineralization and supports the program's validation objectives.
Positive factors
- Weak uranium grade, but above cutoff.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.027”
Context: 27.5
RP-26-18-613Rio Puerco · uraniumGrade: 0.109Grade Unit: % eU3O8Intercept: 1.3716 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-613
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.109
- Grade Unit
- % eU3O8
- Intercept
- 1.3716 m
- True Width
- 1.3716 m
- From
- 187.66776 m
- To
- 189.04416 m
- Hole Depth
- 203.94968 m
- Intercept Depth
- 187.66776 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-613:187.66776-189.04416
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.109
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a moderate uranium grade, contributing positively to the validation of historical mineralization and the project's potential.
Positive factors
- Moderate uranium grade, above the moderate threshold.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.109”
Context: 4.5
RP-26-18-613Rio Puerco · uraniumGrade: 0.057Grade Unit: % eU3O8Intercept: 2.4384 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-613
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.057
- Grade Unit
- % eU3O8
- Intercept
- 2.4384 m
- True Width
- 2.4384 m
- From
- 190.10976 m
- To
- 192.54216 m
- Hole Depth
- 203.94968 m
- Intercept Depth
- 190.10976 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-613:190.10976-192.54216
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.057
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a weak uranium grade, but still confirms mineralization and supports the program's validation objectives.
Positive factors
- Weak uranium grade, but above cutoff.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.057”
Context: 8.0
RP-26-18-640Rio Puerco · uraniumGrade: 0.057Grade Unit: % eU3O8Intercept: 4.2672 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-640
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.057
- Grade Unit
- % eU3O8
- Intercept
- 4.2672 m
- True Width
- 4.2672 m
- From
- 166.08792 m
- To
- 170.35512 m
- Hole Depth
- 200.95464 m
- Intercept Depth
- 166.08792 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-640:166.08792-170.35512
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.057
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a weak uranium grade, but still confirms mineralization and supports the program's validation objectives.
Positive factors
- Weak uranium grade, but above cutoff.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.057”
Context: 14.0
RP-26-18-640Rio Puerco · uraniumGrade: 0.331Grade Unit: % eU3O8Intercept: 3.81 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-640
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.331
- Grade Unit
- % eU3O8
- Intercept
- 3.81 m
- True Width
- 3.81 m
- From
- 181.63032 m
- To
- 185.44392 m
- Hole Depth
- 200.95464 m
- Intercept Depth
- 181.63032 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-640:181.63032-185.44392
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.331
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept represents a strong uranium grade over a significant width, making it a highlight of the Phase 1 program and highly material for validating the project's potential.
Positive factors
- Strong uranium grade, well above the moderate threshold.
- Significant intercept length, contributing to high contained metal.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.331”
Context: 12.5
RP-26-18-691Rio Puerco · uraniumGrade: 0.072Grade Unit: % eU3O8Intercept: 4.8768 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-691
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.072
- Grade Unit
- % eU3O8
- Intercept
- 4.8768 m
- True Width
- 4.8768 m
- From
- 221.83104 m
- To
- 226.70184 m
- Hole Depth
- 247.43184 m
- Intercept Depth
- 221.83104 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-691:221.83104-226.70184
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.072
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a weak to moderate uranium grade over a significant width, confirming mineralization and supporting the program's validation objectives.
Positive factors
- Weak to moderate uranium grade.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.072”
Context: 16.0
RP-26-18-804Rio Puerco · uraniumGrade: 0.042Grade Unit: % eU3O8Intercept: 3.2004 mView all detailsHide details
Identity
- Hole ID
- RP-26-18-804
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.042
- Grade Unit
- % eU3O8
- Intercept
- 3.2004 m
- True Width
- 3.2004 m
- From
- 187.20336 m
- To
- 190.40136 m
- Hole Depth
- 215.9508 m
- Intercept Depth
- 187.20336 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- RP-26-18-804:187.20336-190.40136
- Mining Method
- unknown
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- No
- QP Signed
- Yes
- QA/QC Methods
- calibrated multi-parameter logging tool, natural gamma ray, resistivity and spontaneous potential measurements, dead-time correction, K-factor, borehole diameter and borehole fluid corrections
Metal Equivalent
- Metal Eq. Grade
- 0.042
- Metal Eq. Unit
- % eU3O8
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 0.02
- Cutoff Unit
- % eU3O8
- Dilution Disclosed
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This intercept shows a weak uranium grade, but still confirms mineralization and supports the program's validation objectives.
Positive factors
- Weak uranium grade, but above cutoff.
- Intercept contributes to validation of historical data.
- True width assumed, providing clarity on geometry.
Negative factors
- Grade is eU3O8 from gamma logging, not chemical assay.
Evidence · table
“0.042”
Context: 10.5
Fact 22Rio Puerco · uraniumGrade: 0.09Grade Unit: % eU3O8Historical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Rio Puerco
- Commodity
- uranium
- Region
- mexico
- Reported Region
- New Mexico
- Ticker
- NSU.V
Geometry
- Grade
- 0.09
- Grade Unit
- % eU3O8
Compositing
- Cutoff Grade
- 0.03
- Cutoff Unit
- % eU3O8
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2009-01-01T00:00:00.000Z
Dates
- Event date
- 2026-09-03T00:00:00.000Z
Reasoning: This is a historical resource estimate that provides context but is not current or compliant with modern reporting standards, thus carrying low confidence and novelty for current investment decisions.
Positive factors
- Provides historical context for the project's potential.
Negative factors
- Historical estimate, not NI 43-101 compliant and not verified by a QP.
- Low confidence due to age and lack of current verification.
- All inferred category, limiting economic confidence.
Evidence · text
“A historical resource estimate of 6.0 million tonnes at an average grade of 0.09% eU3O8for 11.4 million pounds of U3O8was reported for Rio Puerco in 2009 by Monaro Mining NL”
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.