# Prospero Begins Drilling at Buenavista Project, Durango State, Mexico Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/prospero-begins-drilling-at-buenavista-project-durango-state-mexico--f477039e-53db-4d80-afe8-29d759c2bd63 Original source: https://money.tmx.com/en/quote/PSL/news/6663567065723771/prospero-begins-drilling-at-buenavista-project-durango-state-mexico Publisher: tmx Original announcement: 2018-05-30T14:46:11.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - 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 Narrative sentiment: 0.30 · Bullish ## Minestarters Atlas 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 factor: commencement of 3,000m drill program - Positive factor: strategic investment from Fortuna Silver Mines Facts used in scoring: 11 ## Classification and evidence **Stale Data Re-release** Polarity: negative Story-specific tag Definition: 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) ### 96-1 [Link to this fact](https://atlas-extractions.minestarters.com/news/prospero-begins-drilling-at-buenavista-project-durango-state-mexico--f477039e-53db-4d80-afe8-29d759c2bd63#fact-drill-facts-0) Buenavista South · silver Historical result Needs review: historical\_restatement #### 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 factor: high grade silver - Negative factor: unverified historical data Evidence · text > 2.37m of 400g/t Ag #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### 96-1 [Link to this fact](https://atlas-extractions.minestarters.com/news/prospero-begins-drilling-at-buenavista-project-durango-state-mexico--f477039e-53db-4d80-afe8-29d759c2bd63#fact-drill-facts-1) Buenavista South · gold Historical result Needs review: historical\_restatement #### 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 factor: unverified historical data Evidence · text > 0.27g/t Au #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### BE-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/prospero-begins-drilling-at-buenavista-project-durango-state-mexico--f477039e-53db-4d80-afe8-29d759c2bd63#fact-drill-facts-2) Buenavista South · silver Historical result Needs review: historical\_restatement #### 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 factor: sub-interval of 245g/t Ag - Negative factor: unverified historical data Evidence · text > 4.3m of 87g/t Ag #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### BE-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/prospero-begins-drilling-at-buenavista-project-durango-state-mexico--f477039e-53db-4d80-afe8-29d759c2bd63#fact-drill-facts-3) Buenavista South · silver Historical result Needs review: historical\_restatement #### 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 factor: high grade sub-interval - Negative factor: unverified historical data Evidence · text > including 245g/t Ag over 1.5m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### BE-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/prospero-begins-drilling-at-buenavista-project-durango-state-mexico--f477039e-53db-4d80-afe8-29d759c2bd63#fact-drill-facts-4) Buenavista South · gold Historical result Needs review: historical\_restatement #### 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 factor: unverified historical data Evidence · text > 0.08g/t Au #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### BE-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/prospero-begins-drilling-at-buenavista-project-durango-state-mexico--f477039e-53db-4d80-afe8-29d759c2bd63#fact-drill-facts-5) Buenavista South · silver Historical result Needs review: historical\_restatement #### 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 factor: sub-interval of 276g/t Ag - Negative factor: unverified historical data Evidence · text > 9.3m of 125g/t Ag #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### BE-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/prospero-begins-drilling-at-buenavista-project-durango-state-mexico--f477039e-53db-4d80-afe8-29d759c2bd63#fact-drill-facts-6) Buenavista South · silver Historical result Needs review: historical\_restatement #### 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 factor: high grade sub-interval - Negative factor: unverified historical data Evidence · text > including 276g/t Ag over 1.15m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### BE-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/prospero-begins-drilling-at-buenavista-project-durango-state-mexico--f477039e-53db-4d80-afe8-29d759c2bd63#fact-drill-facts-7) Buenavista South · gold Historical result Needs review: historical\_restatement #### 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 factor: unverified historical data Evidence · text > 0.35g/t Au #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### BE-06 [Link to this fact](https://atlas-extractions.minestarters.com/news/prospero-begins-drilling-at-buenavista-project-durango-state-mexico--f477039e-53db-4d80-afe8-29d759c2bd63#fact-drill-facts-8) Buenavista South · silver Historical result Needs review: historical\_restatement #### 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 factor: sub-interval of 206g/t Ag - Negative factor: unverified historical data Evidence · text > 8.0m of 129g/t Ag #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### BE-06 [Link to this fact](https://atlas-extractions.minestarters.com/news/prospero-begins-drilling-at-buenavista-project-durango-state-mexico--f477039e-53db-4d80-afe8-29d759c2bd63#fact-drill-facts-9) Buenavista South · silver Historical result Needs review: historical\_restatement #### 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 factor: high grade sub-interval - Negative factor: unverified historical data Evidence · text > including 206g/t Ag over 4.5m #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Stale Data Re-release** Polarity: negative Definition: Historical results re-announced with no new assays or reinterpretation — low genuine novelty. Why it applies: the fact restates a prior release ### BE-06 [Link to this fact](https://atlas-extractions.minestarters.com/news/prospero-begins-drilling-at-buenavista-project-durango-state-mexico--f477039e-53db-4d80-afe8-29d759c2bd63#fact-drill-facts-10) Buenavista South · gold Historical result Needs review: historical\_restatement #### 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 factor: unverified historical data Evidence · text > 0.07g/t Au #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: 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 Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Stale Data Re-release** Polarity: negative Definition: 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.