# Fortuna intersects 7.8 g/t gold over 12.8 meters at Southern Arc, Diamba Sud, and advances exploration at Bambadji, Senegal Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/fortuna-intersects-7-8-g-t-gold-over-12-8-meters-at-southern-arc-diamba-sud-and--b78c8336-71a7-46d9-8fd3-d20705ed5cde Original source: https://www.globenewswire.com/news-release/2026/10/13/3379438/0/en/fortuna-intersects-7-8-g-t-gold-over-12-8-meters-at-southern-arc-diamba-sud-and-advances-exploration-at-bambadji-senegal.html Publisher: globenewswire Original announcement: 2026-10-13T00:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-10-13T10:34:12.021Z Atlas analysis updated: 2026-10-13T10:34:12.021Z - Company: Fortuna Mining Corp. - Ticker: FSM - Exchange: Unavailable - Region: Senegal - Primary commodity: Gold - Secondary commodities: None reported - Document categories: Drill results, Other - Extracted: 2026-10-13 10:34:12 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary Fortuna Mining Corp. announced encouraging exploration drilling results from its Diamba Sud Gold Project in Senegal, with significant gold intercepts at the Southern Arc and Kassasoko deposits. Highlights include 3.9 g/t Au over an estimated true width of 40.8 meters in DSR1149 and 7.8 g/t Au over an estimated true width of 12.8 meters in DSR1128, extending mineralization at depth and along strike. The company has also commenced an $8 million drilling campaign at the recently acquired Bambadji properties, with initial observations suggesting similar mineralization styles to Diamba Sud. Reasoning: The announcement reports numerous high-grade and wide gold intercepts from exploration drilling at the Southern Arc and Kassasoko deposits, extending known mineralization and indicating significant potential. Drilling has also commenced at the new Bambadji project, with initial observations suggesting similar mineralization styles. The results are supported by detailed QA/QC and QP sign-off, contributing to high confidence. - Positive factor: High-grade gold intercepts reported, including bonanza grades up to 108.5 g/t Au. - Positive factor: Drilling successfully identified depth and strike extensions to mineralization at Southern Arc and Kassasoko. - Positive factor: Mineralization remains open at depth and along strike, indicating further potential. - Positive factor: True width is estimated and disclosed for all reported intercepts. - Positive factor: Comprehensive QA/QC procedures are detailed, including certified lab, blanks, standards, duplicates, and QP sign-off. - Positive factor: Exploration drilling has commenced at the recently acquired Bambadji properties, with promising initial observations. - Negative factor: Some intercepts are low grade, though still within economic ranges for bulk tonnage deposits. - Negative factor: No specific deposit type is explicitly stated, which can affect grade interpretation thresholds. Facts used in scoring: 3 ## Classification and evidence No classification tags are available. ## Extracted facts Stored fact records: 3. Some facts used in scoring do not have a stored record. ## Drill Results (3) ### DSDD726 [Link to this fact](https://atlas-staging.minestarters.com/news/fortuna-intersects-7-8-g-t-gold-over-12-8-meters-at-southern-arc-diamba-sud-and--b78c8336-71a7-46d9-8fd3-d20705ed5cde#fact-drill-facts-0) Kassasoko · gold #### Identity - Hole ID: DSDD726 - Project: Kassasoko - Commodity: gold - Region: senegal - Reported Region: senegal - Ticker: FSM #### Geometry - Grade: 1.5 - Grade Unit: g/t - Intercept: 9 m - True Width: 7.2 m - From: 78 m - To: 87 m - Hole Depth: 94 m - Intercept Depth: 78 m #### Classification - Program: exploration - Sample Type: drill - Group ID: DSDD726:78-87 - Mining Method: unknown #### Location - Easting: 231544 - Northing: 1425966 - Elevation: 144 m - Azimuth: 150 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: ALS Global - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Deleterious - Deleterious Flag: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-13T00:00:00.000Z Reasoning: This intercept shows moderate gold grade over a narrow width, contributing to the overall understanding of the deposit. - Positive factor: True width disclosed. Evidence · table > 1.5 Context: 9 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 7.2 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is 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 ### DSDD729 [Link to this fact](https://atlas-staging.minestarters.com/news/fortuna-intersects-7-8-g-t-gold-over-12-8-meters-at-southern-arc-diamba-sud-and--b78c8336-71a7-46d9-8fd3-d20705ed5cde#fact-drill-facts-1) Kassasoko · gold #### Identity - Hole ID: DSDD729 - Project: Kassasoko - Commodity: gold - Region: senegal - Reported Region: senegal - Ticker: FSM #### Geometry - Grade: 7.6 - Grade Unit: g/t - Intercept: 1 m - True Width: 0.8 m - From: 27 m - To: 28 m - Hole Depth: 112 m - Intercept Depth: 27 m #### Classification - Program: exploration - Sample Type: drill - Group ID: DSDD729:27-28 - Mining Method: unknown #### Location - Easting: 231589 - Northing: 1425904 - Elevation: 145 m - Azimuth: 150 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: ALS Global - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Deleterious - Deleterious Flag: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-13T00:00:00.000Z Reasoning: This intercept shows a high gold grade, but its narrow width limits its overall materiality. - Positive factor: High-grade gold intercept. - Positive factor: True width disclosed. - Negative factor: Narrow intercept length. Evidence · table > 7.6 Context: 1 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 0.8 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is 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 ### DSDD729 [Link to this fact](https://atlas-staging.minestarters.com/news/fortuna-intersects-7-8-g-t-gold-over-12-8-meters-at-southern-arc-diamba-sud-and--b78c8336-71a7-46d9-8fd3-d20705ed5cde#fact-drill-facts-2) Kassasoko · gold #### Identity - Hole ID: DSDD729 - Project: Kassasoko - Commodity: gold - Region: senegal - Reported Region: senegal - Ticker: FSM #### Geometry - Grade: 0.7 - Grade Unit: g/t - Intercept: 28 m - True Width: 22.4 m - From: 38 m - To: 66 m - Hole Depth: 112 m - Intercept Depth: 27 m #### Classification - Program: exploration - Sample Type: drill - Group ID: DSDD729:38-66 - Mining Method: unknown #### Location - Easting: 231589 - Northing: 1425904 - Elevation: 145 m - Azimuth: 150 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: ALS Global - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Deleterious - Deleterious Flag: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-13T00:00:00.000Z - Positive factor: Significant intercept length. #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 22.4 **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is 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 ## 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.