Astra Makes New Discovery, Hitting 6.3 Metres of 837 g/t Silver and 3.32 g/t Gold at La Manchuria Project, Argentina
Original announcement by tmx on
- Company
- Astra Exploration Inc.
- Ticker
- ASTR
- Exchange
- TSX
- Region
- Santa Cruz, Argentina
- Primary commodity
- Silver
- Secondary commodities
- Gold
- Document categories
- Drill results, Other
- Extracted
- 2026-09-17 11:09:27 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Astra Exploration has announced a new discovery at the La Manchuria Project in Argentina, intersecting high-grade silver and gold in the newly identified Basalto Zone. Notable intercepts include 6.3m at 837 g/t Ag and 3.32 g/t Au, with a bonanza 1m sub-interval of 3,309 g/t Ag and 11.45 g/t Au. The results expand the project's footprint via a new parallel vein system.
Reasoning: The announcement reports a significant new discovery in the Basalto Zone with exceptional silver grades (837 g/t over 6.3m) and high-grade sub-intervals, expanding the known vein field at La Manchuria.
Positive factors
- High-grade silver and gold intercepts in a new zone (Basalto)
- Discovery of a new parallel vein system (Basalto Zone) expanding the footprint
- Structural indications of converging feeder systems at depth
- QA/QC protocols and QP sign-off disclosed
Negative factors
- Some veinlets are oriented sub-parallel to the drill core axis, potentially overstating width
Facts used in scoring: 6
Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: The 1m interval of 3,309 g/t silver and 11.45 g/t gold is exceptionally high grade for an epithermal system.
Evidence · text
“1 metre grading 3,309 g/t silver and 11.45 g/t gold”
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: The Basalto Zone is described as an unexplored parallel vein system 200-300m from the Main Zone, expanding the footprint.
Evidence · text
“unexplored parallel vein system approximately 200 to 300 metres southwest of the Main Zone, significantly increasing the size of the vein field”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release details the use of blanks, standards, and specific assay methods at Alex Stewart International.
Evidence · text
“A total of 131 Blanks and 154 standards (4 different Au and Ag grades) were used as QAQC”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: The document notes that some veinlets in LMD-128 are oriented sub-parallel to the drill core axis.
Evidence · text
“Some of the veinlets intersected in LMD-128 are oriented subparallel to the drill core axis.”
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Drill Results (6)
LMD-128La Manchuria · silverGrade: 837Grade Unit: g/tIntercept: 6.3 mView all detailsHide details
Identity
- Hole ID
- LMD-128
- Project
- La Manchuria
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ASTR
Geometry
- Grade
- 837
- Grade Unit
- g/t
- Intercept
- 6.3 m
- From
- 24.5 m
- To
- 39 m
- Intercept Depth
- 24.5 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- LMD-128:24.5-39
- Mining Method
- underground
Location
- Location
- Basalto Zone
- Loc. Source
- document
QA/QC
- Laboratory
- Alex Stewart International Argentina
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Strong silver grade in a new discovery zone.
Positive factors
- High grade silver intercept in new zone
Negative factors
- True width estimated at 40-50% of downhole width
Evidence · text
“6.3 metres grading 837 g/t silver and 3.32 g/t gold”
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"
LMD-128La Manchuria · goldGrade: 3.32Grade Unit: g/tIntercept: 6.3 mView all detailsHide details
Identity
- Hole ID
- LMD-128
- Project
- La Manchuria
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ASTR
Geometry
- Grade
- 3.32
- Grade Unit
- g/t
- Intercept
- 6.3 m
- From
- 24.5 m
- To
- 39 m
- Intercept Depth
- 24.5 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- LMD-128:24.5-39
- Mining Method
- underground
Location
- Location
- Basalto Zone
- Loc. Source
- document
QA/QC
- Laboratory
- Alex Stewart International Argentina
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Solid gold grade in a new discovery zone.
Positive factors
- Significant gold grade accompanying silver
Evidence · text
“6.3 metres grading 837 g/t silver and 3.32 g/t gold”
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"
LMD-128La Manchuria · silverGrade: 3309Grade Unit: g/tIntercept: 1 mView all detailsHide details
Identity
- Hole ID
- LMD-128
- Project
- La Manchuria
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ASTR
Geometry
- Grade
- 3309
- Grade Unit
- g/t
- Intercept
- 1 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- LMD-128:sub-interval
- Mining Method
- underground
Location
- Location
- Basalto Zone
- Loc. Source
- document
QA/QC
- Laboratory
- Alex Stewart International Argentina
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Exceptional silver grade.
Positive factors
- Bonanza grade silver
Evidence · text
“1 metre grading 3,309 g/t silver”
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"
LMD-128La Manchuria · goldGrade: 11.45Grade Unit: g/tIntercept: 1 mView all detailsHide details
Identity
- Hole ID
- LMD-128
- Project
- La Manchuria
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ASTR
Geometry
- Grade
- 11.45
- Grade Unit
- g/t
- Intercept
- 1 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- LMD-128:sub-interval
- Mining Method
- underground
Location
- Location
- Basalto Zone
- Loc. Source
- document
QA/QC
- Laboratory
- Alex Stewart International Argentina
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Very high grade gold intercept.
Positive factors
- High grade gold
Evidence · text
“1 metre grading ... 11.45 g/t gold”
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"
LMD-123an unexplored parallel vein · silverGrade: 541Grade Unit: g/tIntercept: 1 mView all detailsHide details
Identity
- Hole ID
- LMD-123
- Project
- an unexplored parallel vein
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ASTR
Geometry
- Grade
- 541
- Grade Unit
- g/t
- Intercept
- 1 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- LMD-123:1.0m
- Mining Method
- underground
Location
- Location
- East Feeder of Main Zone
- Loc. Source
- document
QA/QC
- Laboratory
- Alex Stewart International Argentina
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: High grade silver intercept.
Positive factors
- High grade silver
Evidence · text
“1 metre grading 541 g/t silver”
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"
LMD-123an unexplored parallel vein · goldGrade: 2Grade Unit: g/tIntercept: 1 mView all detailsHide details
Identity
- Hole ID
- LMD-123
- Project
- an unexplored parallel vein
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- ASTR
Geometry
- Grade
- 2
- Grade Unit
- g/t
- Intercept
- 1 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- LMD-123:1.0m
- Mining Method
- underground
Location
- Location
- East Feeder of Main Zone
- Loc. Source
- document
QA/QC
- Laboratory
- Alex Stewart International Argentina
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-03-02T00:00:00.000Z
Reasoning: Solid gold grade.
Positive factors
- Economic gold grade
Evidence · text
“1 metre grading ... 2.0 g/t gold”
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.