Medaro Mining Sampling Returns up to 32.99% Total Rare Earth Oxides, 16.5 g/t Gold, 23.7% Copper, 260.1 g/t Gallium Oxide, 0.31% Tungsten & 0.34% Cobalt at Bastnas Project, Sweden
Original announcement by orestocks on
- Company
- Medaro Mining Corp.
- Ticker
- MEDA.CN
- Exchange
- Unavailable
- Region
- Sweden
- Primary commodity
- Rare earth elements
- Secondary commodities
- Gold, Copper, Gallium, Tungsten, Cobalt, Silver
- Document categories
- Drill results, Other
- Extracted
- 2026-09-10 10:07:42 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Medaro Mining Corp. reported highly encouraging rock chip assay results from its Bastnäs Project in Sweden, featuring up to 32.99% TREO and 16.5 g/t gold. The surface sampling program identified multiple high-grade targets across a polymetallic system including copper, gallium, and cobalt.
Reasoning: Highly encouraging surface sampling results showing exceptional REE and polymetallic grades, though geological continuity and representativeness remain unproven.
Positive factors
- Exceptional TREO grades (up to 32.99%)
- Polymetallic nature with gold, copper, and critical metals
- High-grade intercepts in multiple areas
- Accredited laboratory (ALS) used
Negative factors
- Surface sampling (rock chips) is selective and may not be representative
- No mineralized widths or continuity demonstrated
- No QA/QC external samples mentioned
- Historical waste dump/slag context unknown
Facts used in scoring: 6
Classification and evidence
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 16.5 g/t gold is exceptionally high for surface sampling in this context.
Evidence · text
“up to 16.5 g/t gold”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release mentions ALS Scandinavia Laboratories and internal QA/QC procedures.
Evidence · text
“prepared and assayed by accredited ALS Scandinavia Laboratories”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: Results are from rock chip surface sampling with no thickness or continuity stated.
Evidence · text
“The results do not demonstrate mineralized widths, continuity”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: the document describes a mill_cil route ("CIL")
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Drill Results (6)
BS39bBastnäs Project · rare earth elementsGrade: 32.99Grade Unit: % TREOView all detailsHide details
Identity
- Hole ID
- BS39b
- Project
- Bastnäs Project
- Commodity
- rare earth elements
- Region
- sweden
- Reported Region
- Sweden
- Ticker
- MEDA.CN
Geometry
- Grade
- 32.99
- Grade Unit
- % TREO
Classification
- Sample Type
- surface
- Group ID
- BS39b:0-0
Location
- Location
- Cerite Shaft
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Scandinavia Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Exceptional TREO grade of 32.99% in a surface sample.
Positive factors
- Exceptional TREO grade
Negative factors
- Surface sample selectivity
Evidence · text
“returned 32.99% TREO”
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
BS39bBastnäs Project · lanthanumGrade: 9.51Grade Unit: % La2O3View all detailsHide details
Identity
- Hole ID
- BS39b
- Project
- Bastnäs Project
- Commodity
- lanthanum
- Region
- sweden
- Reported Region
- Sweden
- Ticker
- MEDA.CN
Geometry
- Grade
- 9.51
- Grade Unit
- % La2O3
Classification
- Sample Type
- surface
- Group ID
- BS39b:0-0
Location
- Location
- Cerite Shaft
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Scandinavia Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Component of high-grade TREO sample.
Evidence · text
“lanthanum oxide ("La2O3") 9.51%”
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
BS39bBastnäs Project · ceriumGrade: 15.78Grade Unit: % CeO2View all detailsHide details
Identity
- Hole ID
- BS39b
- Project
- Bastnäs Project
- Commodity
- cerium
- Region
- sweden
- Reported Region
- Sweden
- Ticker
- MEDA.CN
Geometry
- Grade
- 15.78
- Grade Unit
- % CeO2
Classification
- Sample Type
- surface
- Group ID
- BS39b:0-0
Location
- Location
- Cerite Shaft
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Scandinavia Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Component of high-grade TREO sample.
Evidence · text
“cerium oxide ("CeO2") 15.78%”
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
StålklockanBastnäs Project · goldGrade: 16.5Grade Unit: g/tView all detailsHide details
Identity
- Hole ID
- Stålklockan
- Project
- Bastnäs Project
- Commodity
- gold
- Region
- sweden
- Reported Region
- Sweden
- Ticker
- MEDA.CN
Geometry
- Grade
- 16.5
- Grade Unit
- g/t
Classification
- Sample Type
- surface
- Group ID
- Stålklockan:0-0
Location
- Location
- Area C
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Scandinavia Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Exceptional gold grade of 16.5 g/t in a surface sample.
Positive factors
- High grade gold intercept
Negative factors
- Surface sample selectivity
Evidence · text
“up to 16.5 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
StålklockanBastnäs Project · copperGrade: 3.82Grade Unit: %View all detailsHide details
Identity
- Hole ID
- Stålklockan
- Project
- Bastnäs Project
- Commodity
- copper
- Region
- sweden
- Reported Region
- Sweden
- Ticker
- MEDA.CN
Geometry
- Grade
- 3.82
- Grade Unit
- %
Classification
- Sample Type
- surface
- Group ID
- Stålklockan:0-0
Location
- Location
- Area C
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Scandinavia Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Significant copper grade associated with high-grade gold.
Evidence · text
“16.5 g/t Au is associated in the same sample with 3.82% Cu”
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
StålklockanBastnäs Project · rare earth elementsGrade: 11.68Grade Unit: % TREOView all detailsHide details
Identity
- Hole ID
- Stålklockan
- Project
- Bastnäs Project
- Commodity
- rare earth elements
- Region
- sweden
- Reported Region
- Sweden
- Ticker
- MEDA.CN
Geometry
- Grade
- 11.68
- Grade Unit
- % TREO
Classification
- Sample Type
- surface
- Group ID
- Stålklockan:0-0
Location
- Location
- Area C
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Scandinavia Laboratories
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-10T00:00:00.000Z
Reasoning: Significant TREO grade associated with high-grade gold.
Evidence · text
“16.5 g/t Au is associated in the same sample with ... 11.68% TREO”
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.