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
- 2026-08-22 07:15:52 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Prospero Silver Corp has commenced a 3,000-meter core drilling program at the Buenavista project in Durango, Mexico. The program aims to test several targets, including the Buenavista South Stockwork and various veins, supported by strategic investment from Fortuna Silver Mines.
Reasoning: The announcement marks the start of a new 3,000m drilling program, though no new assay results are reported. It includes historical intercepts that are explicitly noted as unverified.
Positive factors
- drilling commencement
- strategic investment from Fortuna Silver Mines
Negative factors
- historical data reliance
- preliminary nature of program
Facts used in scoring: 11

Classification and evidence
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release mentions a Qualified Person (Tawn Albinson) is responsible for technical content.
Evidence · text
“Qualified Person Tawn Albinson, M.Sc., President of the Company, is a Qualified Person”
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: The document highlights historical intercepts from 1996-2008 that the company has not yet verified.
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 · silverGrade: 400Grade Unit: g/tIntercept: 2.37 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 96-1
- Project
- Buenavista
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- PSL
Geometry
- Grade
- 400
- Grade Unit
- g/t
- Intercept
- 2.37 m
Classification
- Sample Type
- drill
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: Historical intercept of 400 g/t Ag is exceptionally high for silver.
Positive factors
- exceptional silver grade
Negative factors
- historical data
Evidence · text
“2.37m of 400g/t Ag and 0.27g/t Au 100m in hole 96-1”
96-1Buenavista · goldGrade: 0.27Grade Unit: g/tIntercept: 2.37 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- 96-1
- Project
- Buenavista
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- PSL
Geometry
- Grade
- 0.27
- Grade Unit
- g/t
- Intercept
- 2.37 m
Classification
- Sample Type
- drill
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 grade reported alongside silver.
Negative factors
- historical data
Evidence · text
“2.37m of 400g/t Ag and 0.27g/t Au 100m in hole 96-1”
BE-04Buenavista · silverGrade: 87Grade Unit: g/tIntercept: 4.3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-04
- Project
- Buenavista
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- PSL
Geometry
- Grade
- 87
- Grade Unit
- g/t
- Intercept
- 4.3 m
Classification
- Sample Type
- drill
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.
Negative factors
- historical data
Evidence · text
“4.3m of 87g/t Ag and 0.08g/t Au in hole BE-04”
BE-04Buenavista · goldGrade: 0.08Grade Unit: g/tIntercept: 4.3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-04
- Project
- Buenavista
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- PSL
Geometry
- Grade
- 0.08
- Grade Unit
- g/t
- Intercept
- 4.3 m
Classification
- Sample Type
- drill
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 grade reported alongside silver.
Negative factors
- historical data
Evidence · text
“4.3m of 87g/t Ag and 0.08g/t Au in hole BE-04”
BE-04Buenavista · silverGrade: 245Grade Unit: g/tIntercept: 1.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-04
- Project
- Buenavista
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- PSL
Geometry
- Grade
- 245
- Grade Unit
- g/t
- Intercept
- 1.5 m
Classification
- Sample Type
- drill
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: High-grade silver sub-interval within BE-04.
Positive factors
- strong silver grade
Negative factors
- historical data
Evidence · text
“including 245g/t Ag over 1.5m”
BE-05Buenavista · silverGrade: 125Grade Unit: g/tIntercept: 9.3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-05
- Project
- Buenavista
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- PSL
Geometry
- Grade
- 125
- Grade Unit
- g/t
- Intercept
- 9.3 m
Classification
- Sample Type
- drill
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.
Negative factors
- historical data
Evidence · text
“9.3m of 125g/t Ag and 0.35g/t Au in hole BE-05”
BE-05Buenavista · goldGrade: 0.35Grade Unit: g/tIntercept: 9.3 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-05
- Project
- Buenavista
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- PSL
Geometry
- Grade
- 0.35
- Grade Unit
- g/t
- Intercept
- 9.3 m
Classification
- Sample Type
- drill
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 grade reported alongside silver.
Negative factors
- historical data
Evidence · text
“9.3m of 125g/t Ag and 0.35g/t Au in hole BE-05”
BE-05Buenavista · silverGrade: 276Grade Unit: g/tIntercept: 1.15 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-05
- Project
- Buenavista
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- PSL
Geometry
- Grade
- 276
- Grade Unit
- g/t
- Intercept
- 1.15 m
Classification
- Sample Type
- drill
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: High-grade silver sub-interval within BE-05.
Positive factors
- strong silver grade
Negative factors
- historical data
Evidence · text
“including 276g/t Ag over 1.15m”
BE-06Buenavista · silverGrade: 129Grade Unit: g/tIntercept: 8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-06
- Project
- Buenavista
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- PSL
Geometry
- Grade
- 129
- Grade Unit
- g/t
- Intercept
- 8 m
Classification
- Sample Type
- drill
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.
Negative factors
- historical data
Evidence · text
“8.0m of 129g/t Ag and 0.07g/t Au in hole BE-06”
BE-06Buenavista · goldGrade: 0.07Grade Unit: g/tIntercept: 8 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-06
- Project
- Buenavista
- Commodity
- gold
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- PSL
Geometry
- Grade
- 0.07
- Grade Unit
- g/t
- Intercept
- 8 m
Classification
- Sample Type
- drill
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 grade reported alongside silver.
Negative factors
- historical data
Evidence · text
“8.0m of 129g/t Ag and 0.07g/t Au in hole BE-06”
BE-06Buenavista · silverGrade: 206Grade Unit: g/tIntercept: 4.5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BE-06
- Project
- Buenavista
- Commodity
- silver
- Region
- mexico
- Reported Region
- Durango State, Mexico
- Ticker
- PSL
Geometry
- Grade
- 206
- Grade Unit
- g/t
- Intercept
- 4.5 m
Classification
- Sample Type
- drill
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
Dates
- Event date
- 2018-05-30T00:00:00.000Z
Reasoning: High-grade silver sub-interval within BE-06.
Positive factors
- strong silver grade
Negative factors
- historical data
Evidence · text
“including 206g/t Ag over 4.5m”
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.