Mirasol Provides Exploration Update on Sobek Copper-Gold Project in the Vicuña District, Chile
Original announcement by tmx on
- Company
- Mirasol Resources Ltd.
- Ticker
- MRZ
- Exchange
- TSX
- Region
- Vicuña District, Chile
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver, Molybdenum, Tellurium, Bismuth
- Document categories
- Drill results, Other
- Extracted
- 2026-09-18 10:47:03 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Mirasol Resources completed its exploration season at the Sobek Copper-Gold-Silver Project in Chile, focusing on the Sobek Central corridor. Drilling at the 46 South target confirmed the continuation of a hydrothermal system with anomalous copper and gold, while geophysical and geological work refined targets at the VN-Zone and Green Wall.
Reasoning: The update provides continuity drilling results at 46 South and refines targets at VN-Zone and Green Wall, though the actual drill intercepts reported are low-grade/anomalous.
Positive factors
- Confirmation of hydrothermal system continuity at 46 South target
- High-grade surface copper-silver-molybdenum signatures at Green Wall
- Proximity to major discoveries Filo del Sol and Lunahuasi
Negative factors
- Drill grades at 46 South are relatively low/anomalous rather than high-grade
Facts used in scoring: 8
Classification and evidence
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: Project is located 7 km west of Filo del Sol and 3 km southwest of Lunahuasi.
Evidence · text
“located just 7 km west of Filo del Sol and 3 km southwest of NGEx’s Lunahuasi”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release details use of standards, blanks, and duplicates with ALS Global.
Evidence · text
“Geochemical assays are obtained and reported under a quality assurance and quality control (QA/QC) program with insertions of controls (standards, blanks and duplicates)”
Extracted facts
Stored fact records: 8. Some facts used in scoring do not have a stored record.
Drill Results (8)
S46-DDH-002Sobek · goldGrade: 0.07Grade Unit: g/tIntercept: 4.5 mView all detailsHide details
Identity
- Hole ID
- S46-DDH-002
- Project
- Sobek
- Commodity
- gold
- Region
- chile
- Reported Region
- chile
- Ticker
- MRZ
Geometry
- Grade
- 0.07
- Grade Unit
- g/t
- Intercept
- 4.5 m
- From
- 21.5 m
- To
- 26 m
- Intercept Depth
- 21.5 m
Classification
- Sample Type
- drill
- Group ID
- S46-DDH-002:21.5-26
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-22T00:00:00.000Z
Reasoning: Low grade anomalous interval.
Evidence · text
“4.50 m averaging 0.07 g/t gold, 223 ppm copper and 22 ppm molybdenum from 21.50 m to 26.00 m”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
S46-DDH-002Sobek · copperGrade: 223Grade Unit: ppmIntercept: 4.5 mView all detailsHide details
Identity
- Hole ID
- S46-DDH-002
- Project
- Sobek
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MRZ
Geometry
- Grade
- 223
- Grade Unit
- ppm
- Intercept
- 4.5 m
- From
- 21.5 m
- To
- 26 m
- Intercept Depth
- 21.5 m
Classification
- Sample Type
- drill
- Group ID
- S46-DDH-002:21.5-26
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-22T00:00:00.000Z
Reasoning: Low grade anomalous interval.
Evidence · text
“4.50 m averaging 0.07 g/t gold, 223 ppm copper and 22 ppm molybdenum from 21.50 m to 26.00 m”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
S46-DDH-002Sobek · molybdenumGrade: 22Grade Unit: ppmIntercept: 4.5 mView all detailsHide details
Identity
- Hole ID
- S46-DDH-002
- Project
- Sobek
- Commodity
- molybdenum
- Region
- chile
- Reported Region
- chile
- Ticker
- MRZ
Geometry
- Grade
- 22
- Grade Unit
- ppm
- Intercept
- 4.5 m
- From
- 21.5 m
- To
- 26 m
- Intercept Depth
- 21.5 m
Classification
- Sample Type
- drill
- Group ID
- S46-DDH-002:21.5-26
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-22T00:00:00.000Z
Reasoning: Low grade anomalous interval.
Evidence · text
“4.50 m averaging 0.07 g/t gold, 223 ppm copper and 22 ppm molybdenum from 21.50 m to 26.00 m”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
S46-DDH-002Sobek · goldGrade: 0.14Grade Unit: g/tIntercept: 3 mView all detailsHide details
Identity
- Hole ID
- S46-DDH-002
- Project
- Sobek
- Commodity
- gold
- Region
- chile
- Reported Region
- chile
- Ticker
- MRZ
Geometry
- Grade
- 0.14
- Grade Unit
- g/t
- Intercept
- 3 m
- From
- 38 m
- To
- 41 m
- Intercept Depth
- 21.5 m
Classification
- Sample Type
- drill
- Group ID
- S46-DDH-002:38-41
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-22T00:00:00.000Z
Reasoning: Low grade anomalous interval.
Evidence · text
“3.00 m averaging 0.14 g/t gold and 188 ppm copper from 38.00 m to 41.00 m”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
S46-DDH-002Sobek · copperGrade: 188Grade Unit: ppmIntercept: 3 mView all detailsHide details
Identity
- Hole ID
- S46-DDH-002
- Project
- Sobek
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- MRZ
Geometry
- Grade
- 188
- Grade Unit
- ppm
- Intercept
- 3 m
- From
- 38 m
- To
- 41 m
- Intercept Depth
- 21.5 m
Classification
- Sample Type
- drill
- Group ID
- S46-DDH-002:38-41
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-22T00:00:00.000Z
Reasoning: Low grade anomalous interval.
Evidence · text
“3.00 m averaging 0.14 g/t gold and 188 ppm copper from 38.00 m to 41.00 m”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
S46-DDH-002Sobek · goldGrade: 0.32Grade Unit: g/tIntercept: 1 mView all detailsHide details
Identity
- Hole ID
- S46-DDH-002
- Project
- Sobek
- Commodity
- gold
- Region
- chile
- Reported Region
- chile
- Ticker
- MRZ
Geometry
- Grade
- 0.32
- Grade Unit
- g/t
- Intercept
- 1 m
- From
- 39 m
- To
- 40 m
- Intercept Depth
- 21.5 m
Classification
- Sample Type
- drill
- Group ID
- S46-DDH-002:39-40
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-22T00:00:00.000Z
Reasoning: Best individual gold value in the hole.
Evidence · text
“including the best individual gold value in the hole of 0.32 g/t gold from 39.00 m to 40.00 m”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
S46-DDH-002Sobek · goldGrade: 0.16Grade Unit: g/tIntercept: 3.72 mView all detailsHide details
Identity
- Hole ID
- S46-DDH-002
- Project
- Sobek
- Commodity
- gold
- Region
- chile
- Reported Region
- chile
- Ticker
- MRZ
Geometry
- Grade
- 0.16
- Grade Unit
- g/t
- Intercept
- 3.72 m
- From
- 116.8 m
- To
- 120.52 m
- Intercept Depth
- 21.5 m
Classification
- Sample Type
- drill
- Group ID
- S46-DDH-002:116.8-120.52
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-22T00:00:00.000Z
Reasoning: Low grade anomalous interval.
Evidence · text
“3.72 m averaging 0.16 g/t gold from 116.80 m to 120.52 m”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
S46-DDH-002Sobek · goldGrade: 0.23Grade Unit: g/tIntercept: 2 mView all detailsHide details
Identity
- Hole ID
- S46-DDH-002
- Project
- Sobek
- Commodity
- gold
- Region
- chile
- Reported Region
- chile
- Ticker
- MRZ
Geometry
- Grade
- 0.23
- Grade Unit
- g/t
- Intercept
- 2 m
- From
- 117.52 m
- To
- 119.52 m
- Intercept Depth
- 21.5 m
Classification
- Sample Type
- drill
- Group ID
- S46-DDH-002:117.52-119.52
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-06-22T00:00:00.000Z
Reasoning: Sub-interval of the 3.72m intercept.
Evidence · text
“including 2.00 m averaging 0.23 g/t gold from 117.52 m to 119.52 m”
Tags used in scoring
QA/QC Disclosedpositive
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 Undisclosednegative
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.