Defiance Silver Drilling Returns up to 356 g/t Ag and 2.15 g/t Au in Additional Silver and Gold Structures
Original announcement by tmx on
- Company
- Defiance Silver Corp.
- Ticker
- DEF
- Exchange
- TSX
- Region
- Zacatecas, Mexico
- Primary commodity
- Silver
- Secondary commodities
- Gold
- Document categories
- Drill results, Resource update
- Extracted
- 2026-09-15 18:51:30 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Defiance Silver Corp. reported drill results from its Zacatecas Project, featuring silver grades up to 543 g/t Ag. The drilling, part of a 10,000m program, aims to confirm structural extensions and validate the geological model for an upcoming Mineral Resource Estimate.
Reasoning: Strong silver grades reported in several holes, including a high-grade sub-interval of 543 g/t Ag. Results confirm historical mineralization and support upcoming resource estimate.
Positive factors
- High-grade silver intercepts
- Confirmation of historical mineralization
- QA/QC protocols disclosed
Negative factors
- Apparent width only (true width not explicitly stated for all intercepts)
Facts used in scoring: 8
Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 0.26m at 543 g/t Ag is an exceptionally high-grade zone.
Evidence · text
“0.26m of 543.00 g/t Ag”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release includes details on blanks, standards, and duplicates used with ALS Chemex.
Evidence · text
“One blank, one standard, and one duplicate were included within every 20 samples.”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: True thickness is not explicitly stated for the reported intercepts, only assumed to be 50-80% of downhole width.
Evidence · text
“True thickness is assumed to be 50% - 80% of downhole width.”
Extracted facts
Stored fact records: 8. Some facts used in scoring do not have a stored record.
Drill Results (8)
DDSA-25-80Zacatecas · silverGrade: 125.41Grade Unit: g/tIntercept: 11.02 mView all detailsHide details
Identity
- Hole ID
- DDSA-25-80
- Project
- Zacatecas
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- DEF
Geometry
- Grade
- 125.41
- Grade Unit
- g/t
- Intercept
- 11.02 m
- From
- 100.78 m
- To
- 111.8 m
- Intercept Depth
- 100.78 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- DDSA-25-80:100.78-111.8
- Mining Method
- unknown
Location
- CRS
- WGS84 UTM Zone 13N
QA/QC
- Laboratory
- ALS Chemex Laboratories
- 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
- 2026-05-11T00:00:00.000Z
Reasoning: 11.02m at 125.41 g/t Ag is a strong intercept for this project type.
Positive factors
- Solid silver grade over significant width
Evidence · text
“11.02m (100.78m to 111.80m) grading 125.41 g/t Ag”
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
DDSA-25-80Zacatecas · goldGrade: 0.81Grade Unit: g/tIntercept: 11.02 mView all detailsHide details
Identity
- Hole ID
- DDSA-25-80
- Project
- Zacatecas
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- DEF
Geometry
- Grade
- 0.81
- Grade Unit
- g/t
- Intercept
- 11.02 m
- From
- 100.78 m
- To
- 111.8 m
- Intercept Depth
- 100.78 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- DDSA-25-80:100.78-111.8
- Mining Method
- unknown
Location
- CRS
- WGS84 UTM Zone 13N
QA/QC
- Laboratory
- ALS Chemex Laboratories
- 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
- 2026-05-11T00:00:00.000Z
Reasoning: 0.81 g/t Au accompanies the silver grade in a significant interval.
Positive factors
- Gold present in silver-rich interval
Evidence · text
“11.02m (100.78m to 111.80m) grading 125.41 g/t Ag and 0.81 g/t Au”
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
DDSA-25-80Zacatecas · silverGrade: 356Grade Unit: g/tIntercept: 1.2 mView all detailsHide details
Identity
- Hole ID
- DDSA-25-80
- Project
- Zacatecas
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- DEF
Geometry
- Grade
- 356
- Grade Unit
- g/t
- Intercept
- 1.2 m
- From
- 106.85 m
- To
- 108.05 m
- Intercept Depth
- 106.85 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- DDSA-25-80:106.85-108.05
- Mining Method
- unknown
Location
- CRS
- WGS84 UTM Zone 13N
QA/QC
- Laboratory
- ALS Chemex Laboratories
- 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
- 2026-05-11T00:00:00.000Z
Reasoning: 356 g/t Ag is a strong high-grade intercept.
Positive factors
- High-grade silver sub-interval
Evidence · text
“1.20m of 356.00 g/t Ag”
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
DDSA-25-80Zacatecas · goldGrade: 2.15Grade Unit: g/tIntercept: 1.2 mView all detailsHide details
Identity
- Hole ID
- DDSA-25-80
- Project
- Zacatecas
- Commodity
- gold
- Region
- mexico
- Reported Region
- mexico
- Ticker
- DEF
Geometry
- Grade
- 2.15
- Grade Unit
- g/t
- Intercept
- 1.2 m
- From
- 106.85 m
- To
- 108.05 m
- Intercept Depth
- 106.85 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- DDSA-25-80:106.85-108.05
- Mining Method
- unknown
Location
- CRS
- WGS84 UTM Zone 13N
QA/QC
- Laboratory
- ALS Chemex Laboratories
- 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
- 2026-05-11T00:00:00.000Z
Reasoning: 2.15 g/t Au is a high-grade intercept for this deposit type.
Positive factors
- Strong gold grade in sub-interval
Evidence · text
“1.20m of 356.00 g/t Ag and 2.15 g/t Au”
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
DDSA-25-78Zacatecas · silverGrade: 111.12Grade Unit: g/tIntercept: 2.14 mView all detailsHide details
Identity
- Hole ID
- DDSA-25-78
- Project
- Zacatecas
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- DEF
Geometry
- Grade
- 111.12
- Grade Unit
- g/t
- Intercept
- 2.14 m
- From
- 267.96 m
- To
- 270.1 m
- Intercept Depth
- 267.96 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- DDSA-25-78:267.96-270.1
- Mining Method
- unknown
Location
- CRS
- WGS84 UTM Zone 13N
QA/QC
- Laboratory
- ALS Chemex Laboratories
- 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
- 2026-05-11T00:00:00.000Z
Reasoning: Moderate silver grade over a narrow interval.
Evidence · text
“2.14m interval grading 111.12 g/t Ag”
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
DDSA-25-78Zacatecas · silverGrade: 208Grade Unit: g/tIntercept: 0.68 mView all detailsHide details
Identity
- Hole ID
- DDSA-25-78
- Project
- Zacatecas
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- DEF
Geometry
- Grade
- 208
- Grade Unit
- g/t
- Intercept
- 0.68 m
- From
- 268.65 m
- To
- 269.33 m
- Intercept Depth
- 268.65 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- DDSA-25-78:268.65-269.33
- Mining Method
- unknown
Location
- CRS
- WGS84 UTM Zone 13N
QA/QC
- Laboratory
- ALS Chemex Laboratories
- 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
- 2026-05-11T00:00:00.000Z
Reasoning: 208 g/t Ag is a strong sub-interval.
Positive factors
- High-grade silver sub-interval
Evidence · text
“0.68m of 208.00 g/t Ag”
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
DDSA-25-81Zacatecas · silverGrade: 111.32Grade Unit: g/tIntercept: 2.63 mView all detailsHide details
Identity
- Hole ID
- DDSA-25-81
- Project
- Zacatecas
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- DEF
Geometry
- Grade
- 111.32
- Grade Unit
- g/t
- Intercept
- 2.63 m
- From
- 417.12 m
- To
- 419.75 m
- Intercept Depth
- 417.12 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- DDSA-25-81:417.12-419.75
- Mining Method
- unknown
Location
- CRS
- WGS84 UTM Zone 13N
QA/QC
- Laboratory
- ALS Chemex Laboratories
- 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
- 2026-05-11T00:00:00.000Z
Reasoning: Moderate silver grade.
Evidence · text
“2.63m of 111.32 g/t Ag”
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
DDSA-25-81Zacatecas · silverGrade: 543Grade Unit: g/tIntercept: 0.26 mView all detailsHide details
Identity
- Hole ID
- DDSA-25-81
- Project
- Zacatecas
- Commodity
- silver
- Region
- mexico
- Reported Region
- mexico
- Ticker
- DEF
Geometry
- Grade
- 543
- Grade Unit
- g/t
- Intercept
- 0.26 m
- From
- 417.12 m
- To
- 417.38 m
- Intercept Depth
- 417.12 m
Classification
- Program
- resource
- Sample Type
- drill
- Group ID
- DDSA-25-81:417.12-417.38
- Mining Method
- unknown
Location
- CRS
- WGS84 UTM Zone 13N
QA/QC
- Laboratory
- ALS Chemex Laboratories
- 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
- 2026-05-11T00:00:00.000Z
Reasoning: 543 g/t Ag is an exceptional grade for this deposit type.
Positive factors
- Bonanza grade silver
Evidence · text
“0.26m of 543.00 g/t Ag”
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
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.