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

Atlas analysis — Prospero Silver Corp: Prospero Begins Drilling at Buenavista Project, Durango State, Mexico. 125 g/t over 9.3 m; 129 g/t over 8 m; 400 g/t over 2.37 m

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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 details
Link to this fact

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.