Madoro Samples up to 1.2 kg/t Silver and 3.97 wt% Copper in Newly Discovered Polymetallic Skarn at Yautepec Project
Original announcement by tmx on
- Company
- Madoro Metals Corp.
- Ticker
- MDM
- Exchange
- TSX
- Region
- Oaxaca, Mexico
- Primary commodity
- Silver
- Secondary commodities
- Copper, Lead, Zinc, Gold, Molybdenum
- Document categories
- Drill results, Other
- Extracted
- 2026-09-14 11:22:38 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Madoro Metals has discovered a new polymetallic skarn-hornfels complex at the Yautepec project in Mexico. Preliminary rock chip sampling yielded high-grade values including up to 1.2 kg/t Ag and 3.97 wt% Cu, suggesting a large integrated epithermal-skarn system.
Reasoning: Discovery of a new polymetallic skarn zone with high-grade silver and copper intercepts in a large-scale system.
Positive factors
- New discovery of polymetallic skarn
- High grade silver and copper intercepts
- Large scale potential (1km outcrop)
- Structural continuity across caldera
Negative factors
- Sampling is only rock chips (grab samples)
- Full extent of complex undetermined
Facts used in scoring: 2
Classification and evidence
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 Labs and QP sign-off by Robert Johansing.
Evidence · text
“n = 20 -- ALS Labs”
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: The discovery is positioned as a 'mirror image' to the existing Las Minas area.
Evidence · text
“These two mineralized skarn zones appear to be ‘mirror images'”
Extracted facts
Stored fact records: 2. Some facts used in scoring do not have a stored record.
Drill Results (2)
Fact 1Yautepec Project · silverGrade: 1200Grade Unit: g/tIntercept: 0.1 mView all detailsHide details
Identity
- Project
- Yautepec Project
- Commodity
- silver
- Region
- mexico
- Reported Region
- Oaxaca, Mexico
- Ticker
- MDM
Geometry
- Grade
- 1200
- Grade Unit
- g/t
- Intercept
- 0.1 m
Classification
- Sample Type
- surface
Location
- Location
- Western Skarn Area
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Labs
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-08-03T00:00:00.000Z
Reasoning: 1200 g/t Ag is an exceptional grade for a surface sample.
Positive factors
- High grade silver intercept
Negative factors
- Surface grab sample only
Evidence · text
“1.2 kilograms per ton Ag and 3.97 wt% 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
Rejected tags
Rejected tags — excluded from scoring because their label or evidence could not be verified.
Bonanza InterceptRejected · positive
Exceptionally high-grade zone, well above the deposit-type norm.
Reason: 1200 g/t Ag is exceptionally high for surface sampling.
Evidence · text
“1200 g/t”
Fact 2Yautepec Project · copperGrade: 3.97Grade Unit: %Intercept: 0.1 mView all detailsHide details
Identity
- Project
- Yautepec Project
- Commodity
- copper
- Region
- mexico
- Reported Region
- Oaxaca, Mexico
- Ticker
- MDM
Geometry
- Grade
- 3.97
- Grade Unit
- %
- Intercept
- 0.1 m
Classification
- Sample Type
- surface
Location
- Location
- Western Skarn Area
- Loc. Source
- document
QA/QC
- Laboratory
- ALS Labs
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-08-03T00:00:00.000Z
Reasoning: 3.97% Cu is a strong intercept for a skarn discovery.
Positive factors
- Strong copper grade
Negative factors
- Surface grab sample only
Evidence · text
“3.97 wt% 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
Rejected tags
Rejected tags — excluded from scoring because their label or evidence could not be verified.
Step-Out ExtensionRejected · positive
Mineralization extended beyond the previously known limit.
Reason: Discovery of a new skarn zone west of the previously known epithermal trend.
Evidence · text
“new area of skarn-hornfels alteration and mineralization was identified”
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.