Prospero Begins Drilling at Buenavista Project, Durango State, Mexico
Original announcement by tmx on
- Company
- Prospero Silver Corp
- Ticker
- PSL
- Exchange
- TSX
- Region
- Durango State, Mexico
- Primary commodity
- Silver
- Secondary commodities
- Gold
- Document categories
- Drill results, Other
- Extracted
- 2026-09-14 19:14:41 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Prospero Silver Corp has commenced a 3,000-meter core drill program at the Buenavista project in Durango, Mexico. The program aims to test several targets, including the Buenavista South Stockwork and the Pajaro Stockwork, to investigate epithermal mineralization potential.
Reasoning: The announcement marks the start of a new exploration program rather than reporting completed assay results.
Positive factors
- commencement of 3,000m drill program
- strategic investment from Fortuna Silver Mines
Facts used in scoring: 11
Classification and evidence
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 discusses historical drill results from 1996-2008 which are being restated without new assays.
Evidence · text
“Note that these results are historic in nature. Prospero has not yet completed the work required to verify them”
Extracted facts
Stored fact records: 11. Some facts used in scoring do not have a stored record.
Drill Results (11)
96-1Buenavista South · silverGrade: 400Grade Unit: g/tIntercept: 2.37 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 96-1
- Project
- Buenavista South
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PSL
Geometry
- Grade
- 400
- Grade Unit
- g/t
- Intercept
- 2.37 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: Historical high-grade silver intercept reported but noted as unverified.
Positive factors
- high grade silver
Negative factors
- unverified historical data
Evidence · text
“2.37m of 400g/t Ag”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
96-1Buenavista South · goldGrade: 0.27Grade Unit: g/tIntercept: 2.37 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 96-1
- Project
- Buenavista South
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PSL
Geometry
- Grade
- 0.27
- Grade Unit
- g/t
- Intercept
- 2.37 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: Historical gold intercept reported but noted as unverified.
Negative factors
- unverified historical data
Evidence · text
“0.27g/t Au”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
BE-04Buenavista South · silverGrade: 87Grade Unit: g/tIntercept: 4.3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-04
- Project
- Buenavista South
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PSL
Geometry
- Grade
- 87
- Grade Unit
- g/t
- Intercept
- 4.3 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: Historical silver intercept reported but noted as unverified.
Positive factors
- sub-interval of 245g/t Ag
Negative factors
- unverified historical data
Evidence · text
“4.3m of 87g/t Ag”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
BE-04Buenavista South · silverGrade: 245Grade Unit: g/tIntercept: 1.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-04
- Project
- Buenavista South
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PSL
Geometry
- Grade
- 245
- Grade Unit
- g/t
- Intercept
- 1.5 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: Historical high-grade silver sub-interval reported but noted as unverified.
Positive factors
- high grade sub-interval
Negative factors
- unverified historical data
Evidence · text
“including 245g/t Ag over 1.5m”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
BE-04Buenavista South · goldGrade: 0.08Grade Unit: g/tIntercept: 4.3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-04
- Project
- Buenavista South
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PSL
Geometry
- Grade
- 0.08
- Grade Unit
- g/t
- Intercept
- 4.3 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: Historical gold intercept reported but noted as unverified.
Negative factors
- unverified historical data
Evidence · text
“0.08g/t Au”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
BE-05Buenavista South · silverGrade: 125Grade Unit: g/tIntercept: 9.3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-05
- Project
- Buenavista South
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PSL
Geometry
- Grade
- 125
- Grade Unit
- g/t
- Intercept
- 9.3 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: Historical silver intercept reported but noted as unverified.
Positive factors
- sub-interval of 276g/t Ag
Negative factors
- unverified historical data
Evidence · text
“9.3m of 125g/t Ag”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
BE-05Buenavista South · silverGrade: 276Grade Unit: g/tIntercept: 1.15 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-05
- Project
- Buenavista South
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PSL
Geometry
- Grade
- 276
- Grade Unit
- g/t
- Intercept
- 1.15 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: Historical high-grade silver sub-interval reported but noted as unverified.
Positive factors
- high grade sub-interval
Negative factors
- unverified historical data
Evidence · text
“including 276g/t Ag over 1.15m”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
BE-05Buenavista South · goldGrade: 0.35Grade Unit: g/tIntercept: 9.3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-05
- Project
- Buenavista South
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PSL
Geometry
- Grade
- 0.35
- Grade Unit
- g/t
- Intercept
- 9.3 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: Historical gold intercept reported but noted as unverified.
Negative factors
- unverified historical data
Evidence · text
“0.35g/t Au”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
BE-06Buenavista South · silverGrade: 129Grade Unit: g/tIntercept: 8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-06
- Project
- Buenavista South
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PSL
Geometry
- Grade
- 129
- Grade Unit
- g/t
- Intercept
- 8 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: Historical silver intercept reported but noted as unverified.
Positive factors
- sub-interval of 206g/t Ag
Negative factors
- unverified historical data
Evidence · text
“8.0m of 129g/t Ag”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
BE-06Buenavista South · silverGrade: 206Grade Unit: g/tIntercept: 4.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-06
- Project
- Buenavista South
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PSL
Geometry
- Grade
- 206
- Grade Unit
- g/t
- Intercept
- 4.5 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: Historical high-grade silver sub-interval reported but noted as unverified.
Positive factors
- high grade sub-interval
Negative factors
- unverified historical data
Evidence · text
“including 206g/t Ag over 4.5m”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
BE-06Buenavista South · goldGrade: 0.07Grade Unit: g/tIntercept: 8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-06
- Project
- Buenavista South
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- PSL
Geometry
- Grade
- 0.07
- Grade Unit
- g/t
- Intercept
- 8 m
Classification
- Sample Type
- drill
QA/QC
- QA/QC Methods
- standards
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: Historical gold intercept reported but noted as unverified.
Negative factors
- unverified historical data
Evidence · text
“0.07g/t Au”
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
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.