GR Silver Reports Its Best Ever Drill Results at San Marcial: 45.1 m at 1,623 g/t Ag, Including 8.25 m at 8,579 g/t Ag, in Hole SMS26-04

Original announcement by tmx on

Company
GR Silver Mining Ltd.
Ticker
GRSL
Exchange
TSX
Region
Mexico
Primary commodity
Silver
Secondary commodities
Gold, Lead, Zinc
Document categories
Drill results
Extracted
2026-09-16 02:45:58 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

GR Silver reported record-breaking drill results at the San Marcial project, highlighted by a 45.1 m true width intercept at 1,623 g/t Ag. The hole SMS26-04 included an exceptional 8.25 m sub-interval grading 8,579 g/t Ag, confirming high-grade continuity within structural inflection zones.

Reasoning: The intercept of 8.25 m at 8,579 g/t Ag is an exceptional bonanza grade for an epithermal system and represents the 'best ever' results for the project.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed
  • Step-Out Extension
  • QA/QC Disclosed

Facts used in scoring: 20

Classification and evidence

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: 8,579 g/t Ag is exceptionally high for an epithermal system.

Evidence · table

“8,579”

Context: 9.00

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: True width is explicitly reported for all intercepts in Table 1.

Evidence · table

“45.10”

Context: 49.15

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: Release details insertion of blanks, duplicates, and standards at SGS de Mexico.

Evidence · text

“insertion of blank, duplicate, and standard samples”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The results are part of the 2026 Step-Out Drilling Program.

Evidence · text

“Highlights of 2026 Step-Out Dri l l i ng”

Extracted facts

Stored fact records: 20. Some facts used in scoring do not have a stored record.

Drill Results (20)

SMS26-04San Marcial · silverGrade: 1623Grade Unit: g/tIntercept: 45.1 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
1623
Grade Unit
g/t
Intercept
45.1 m
True Width
45.1 m
From
267.85 m
To
317 m
Intercept Depth
267.85 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
SMS26-04:267.85-317
Mining Method
unknown

Location

Location
SE Area
Loc. Source
document

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: High-grade silver intercept in a step-out program.

Positive factors

  • Step-Out Extension

Evidence · table

“1,623”

Context: 49.15

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 45.1

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

SMS26-04San Marcial · goldGrade: 0.03Grade Unit: g/tIntercept: 45.1 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
0.03
Grade Unit
g/t
Intercept
45.1 m
True Width
45.1 m
From
267.85 m
To
317 m
Intercept Depth
267.85 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
SMS26-04:267.85-317
Mining Method
unknown

Location

Location
SE Area
Loc. Source
document

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Trace gold grade.

Evidence · table

“0.03”

Context: 49.15

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 45.1

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

SMS26-04San Marcial · silverGrade: 3846Grade Unit: g/tIntercept: 18.85 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
3846
Grade Unit
g/t
Intercept
18.85 m
True Width
18.85 m
From
278 m
To
298.55 m
Intercept Depth
278 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
SMS26-04:278-298.55
Mining Method
unknown

Location

Location
SE Area
Loc. Source
document

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Strong high-grade silver sub-interval.

Positive factors

  • Step-Out Extension

Evidence · table

“3,846”

Context: 20.55

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 18.85

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

SMS26-04San Marcial · silverGrade: 8579Grade Unit: g/tIntercept: 8.25 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
8579
Grade Unit
g/t
Intercept
8.25 m
True Width
8.25 m
From
284.05 m
To
293.05 m
Intercept Depth
284.05 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
SMS26-04:284.05-293.05
Mining Method
unknown

Location

Location
SE Area
Loc. Source
document

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Exceptional bonanza silver grade.

Positive factors

  • Bonanza Intercept
  • True Width Disclosed

Evidence · table

“8,579”

Context: 9.00

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 8.25

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

SMS26-04San Marcial · silverGrade: 32Grade Unit: g/tIntercept: 20.6 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
32
Grade Unit
g/t
Intercept
20.6 m
True Width
20.6 m
From
328.6 m
To
349.95 m
Intercept Depth
328.6 m

Classification

Deposit Type
epithermal
Program
exploration
Sample Type
drill
Group ID
SMS26-04:328.6-349.95
Mining Method
unknown

Location

Location
SE Area
Loc. Source
document

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Lower grade silver intercept.

Evidence · table

“32”

Context: 21.35

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 20.6

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

SMS26-04San Marcial · leadGrade: 0.3Grade Unit: %Intercept: 49.15 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
0.3
Grade Unit
%
Intercept
49.15 m
True Width
45.1 m
From
267.85 m
To
317 m
Intercept Depth
267.85 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:267.85-317
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % lead is weak against the default band [10, 6, 3, 1] %. Grade×width 14.7 %·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.3”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 45.1

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

SMS26-04San Marcial · zincGrade: 1.1Grade Unit: %Intercept: 49.15 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
1.1
Grade Unit
%
Intercept
49.15 m
True Width
45.1 m
From
267.85 m
To
317 m
Intercept Depth
267.85 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:267.85-317
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 1.1 % zinc is moderate against the default band [18, 10, 5, 2] %. Grade×width 54.1 %·m is moderate (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.1”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 45.1

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

SMS26-04San Marcial · goldGrade: 0.05Grade Unit: g/tIntercept: 20.55 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
0.05
Grade Unit
g/t
Intercept
20.55 m
True Width
18.85 m
From
278 m
To
298.55 m
Intercept Depth
278 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:278-298.55
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.05 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 1.0 g/t·m is below.

Negative factors

  • 0.05 g/t gold is below the weak threshold (0.3 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.05”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 18.85

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

SMS26-04San Marcial · leadGrade: 0.7Grade Unit: %Intercept: 20.55 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
0.7
Grade Unit
%
Intercept
20.55 m
True Width
18.85 m
From
278 m
To
298.55 m
Intercept Depth
278 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:278-298.55
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.7 % lead is weak against the default band [10, 6, 3, 1] %. Grade×width 14.4 %·m is weak (grade alone is below; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.7”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 18.85

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

SMS26-04San Marcial · zincGrade: 2.5Grade Unit: %Intercept: 20.55 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
2.5
Grade Unit
%
Intercept
20.55 m
True Width
18.85 m
From
278 m
To
298.55 m
Intercept Depth
278 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:278-298.55
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 2.5 % zinc is moderate against the default band [18, 10, 5, 2] %. Grade×width 51.4 %·m is moderate (grade alone is weak; the better of the two is used).

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“2.5”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 18.85

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

SMS26-04San Marcial · goldGrade: 0.1Grade Unit: g/tIntercept: 9 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
0.1
Grade Unit
g/t
Intercept
9 m
True Width
8.25 m
From
284.05 m
To
293.05 m
Intercept Depth
284.05 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:284.05-293.05
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 0.9 g/t·m is below.

Negative factors

  • 0.1 g/t gold is below the weak threshold (0.3 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.10”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 8.25

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

SMS26-04San Marcial · leadGrade: 1.6Grade Unit: %Intercept: 9 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
1.6
Grade Unit
%
Intercept
9 m
True Width
8.25 m
From
284.05 m
To
293.05 m
Intercept Depth
284.05 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:284.05-293.05
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 1.6 % lead is weak against the default band [10, 6, 3, 1] %. Grade×width 14.4 %·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“1.6”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 8.25

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

SMS26-04San Marcial · zincGrade: 5.5Grade Unit: %Intercept: 9 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
5.5
Grade Unit
%
Intercept
9 m
True Width
8.25 m
From
284.05 m
To
293.05 m
Intercept Depth
284.05 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:284.05-293.05
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 5.5 % zinc is moderate against the default band [18, 10, 5, 2] %. Grade×width 49.5 %·m is moderate.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“5.5”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 8.25

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

SMS26-04San Marcial · goldGrade: 0.02Grade Unit: g/tIntercept: 21.35 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
0.02
Grade Unit
g/t
Intercept
21.35 m
True Width
20.6 m
From
328.6 m
To
349.95 m
Intercept Depth
328.6 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:328.6-349.95
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.02 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 0.4 g/t·m is below.

Negative factors

  • 0.02 g/t gold is below the weak threshold (0.3 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.02”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 20.6

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

SMS26-04San Marcial · leadGrade: 0.1Grade Unit: %Intercept: 21.35 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
0.1
Grade Unit
%
Intercept
21.35 m
True Width
20.6 m
From
328.6 m
To
349.95 m
Intercept Depth
328.6 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:328.6-349.95
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.1 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 2.1 %·m is below.

Negative factors

  • 0.1 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.1”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 20.6

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

SMS26-04San Marcial · zincGrade: 0.3Grade Unit: %Intercept: 21.35 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
0.3
Grade Unit
%
Intercept
21.35 m
True Width
20.6 m
From
328.6 m
To
349.95 m
Intercept Depth
328.6 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:328.6-349.95
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.3 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 6.4 %·m is below.

Negative factors

  • 0.3 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.3”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 20.6

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

SMS26-04San Marcial · silverGrade: 51Grade Unit: g/tIntercept: 7.1 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
51
Grade Unit
g/t
Intercept
7.1 m
True Width
6.85 m
From
342.85 m
To
349.95 m
Intercept Depth
342.85 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:342.85-349.95
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 51 g/t silver is weak against the default band [500, 200, 100, 30] g/t. Grade×width 362.1 g/t·m is weak.

Negative factors

  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“51”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.85

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

SMS26-04San Marcial · goldGrade: 0.15Grade Unit: g/tIntercept: 7.1 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
0.15
Grade Unit
g/t
Intercept
7.1 m
True Width
6.85 m
From
342.85 m
To
349.95 m
Intercept Depth
342.85 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:342.85-349.95
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.15 g/t gold is below against the default band [5, 2, 1, 0.3] g/t. Grade×width 1.1 g/t·m is below.

Negative factors

  • 0.15 g/t gold is below the weak threshold (0.3 g/t) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.15”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.85

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

SMS26-04San Marcial · leadGrade: 0.8Grade Unit: %Intercept: 7.1 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
lead
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
0.8
Grade Unit
%
Intercept
7.1 m
True Width
6.85 m
From
342.85 m
To
349.95 m
Intercept Depth
342.85 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:342.85-349.95
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.8 % lead is below against the default band [10, 6, 3, 1] %. Grade×width 5.7 %·m is below.

Negative factors

  • 0.8 % lead is below the weak threshold (1 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.8”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.85

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

SMS26-04San Marcial · zincGrade: 0.5Grade Unit: %Intercept: 7.1 mView all details
Link to this fact

Identity

Hole ID
SMS26-04
Project
San Marcial
Commodity
zinc
Region
mexico
Reported Region
mexico
Ticker
GRSL

Geometry

Grade
0.5
Grade Unit
%
Intercept
7.1 m
True Width
6.85 m
From
342.85 m
To
349.95 m
Intercept Depth
342.85 m

Classification

Deposit Type
epithermal
Sample Type
drill
Group ID
SMS26-04:342.85-349.95
Mining Method
unknown

QA/QC

Laboratory
SGS de México, S.A. de C.V.
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
2026-05-19T00:00:00.000Z

Reasoning: Expanded from assay table. 0.5 % zinc is below against the default band [18, 10, 5, 2] %. Grade×width 3.5 %·m is below.

Negative factors

  • 0.5 % zinc is below the weak threshold (2 %) on the default band.
  • Scored from rubric bands during table expansion, not from document context.

Evidence · table

“0.5”

Context: SMS26-04

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 6.85

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.