Erdene Intersects 30 Metres of 1.25% Copper in Khuvyn Khar Porphyry System
Original announcement by tmx on
- Company
- Erdene Resource Development Corporation
- Ticker
- ERD
- Exchange
- TSX
- Region
- southwestern Mongolia
- Primary commodity
- Copper
- Secondary commodities
- Silver
- Document categories
- Drill results
- Extracted
- 2026-09-13 22:49:36 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Erdene Resource Development Corporation has reported significant copper-silver drill results from its Khuvyn Khar porphyry system in Mongolia. Hole ZMD-162 intersected 65 metres of 0.63% Cu and 2.9 g/t Ag, including a high-grade interval of 30 metres at 1.25% Cu and 6.1 g/t Ag.
Reasoning: The intercept of 1.25% Cu over 30m is a strong result for a porphyry system and confirms the presence of a substantial copper component in the Khuvyn Khar system.
Positive factors
- Strong copper grade of 1.25% over 30m
- Significant intercept width of 65m
- Proximity to existing Zuun Mod deposit
- QA/QC protocols disclosed
Negative factors
- Apparent width only (no true width reported)
- Anisotropy and true thickness unconfirmed
Facts used in scoring: 4
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 use of prepared standards, blanks, and duplicates at SGS Laboratory.
Evidence · text
“incorporates a QA/QC sample protocol utilizing prepared standards and blanks”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: Reported intervals are stated as downhole apparent widths with no true width provided.
Evidence · text
“Reported intervals in this release are downhole apparent widths.”
Extracted facts
Stored fact records: 4. Some facts used in scoring do not have a stored record.
Drill Results (4)
ZMD-162Khuvyn Khar · copperGrade: 0.63Grade Unit: %Intercept: 65 mView all detailsHide details
Identity
- Hole ID
- ZMD-162
- Project
- Khuvyn Khar
- Commodity
- copper
- Region
- mongolia
- Reported Region
- mongolia
- Ticker
- ERD
Geometry
- Grade
- 0.63
- Grade Unit
- %
- Intercept
- 65 m
- From
- 286 m
- To
- 351 m
- Intercept Depth
- 286 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- ZMD-162:286-351
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- SGS
- 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
- 2026-01-14T00:00:00.000Z
Reasoning: A 65m intercept at 0.63% Cu is a solid porphyry-style result.
Positive factors
- Significant width of 65m
Evidence · table
“0.63”
Context: 65
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Erdene Intersects 30 Metres of 1.25% Copper in Khuvyn Khar Porphyry System Erdene Intersects 30 Metres of 1.25% Copper i"
ZMD-162Khuvyn Khar · silverGrade: 2.9Grade Unit: g/tIntercept: 65 mView all detailsHide details
Identity
- Hole ID
- ZMD-162
- Project
- Khuvyn Khar
- Commodity
- silver
- Region
- mongolia
- Reported Region
- mongolia
- Ticker
- ERD
Geometry
- Grade
- 2.9
- Grade Unit
- g/t
- Intercept
- 65 m
- From
- 286 m
- To
- 351 m
- Intercept Depth
- 286 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- ZMD-162:286-351
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- SGS
- 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
- 2026-01-14T00:00:00.000Z
Reasoning: Silver grade is incidental to the copper mineralization.
Evidence · table
“2.9”
Context: 65
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Erdene Intersects 30 Metres of 1.25% Copper in Khuvyn Khar Porphyry System Erdene Intersects 30 Metres of 1.25% Copper i"
ZMD-162Khuvyn Khar · copperGrade: 1.25Grade Unit: %Intercept: 30 mView all detailsHide details
Identity
- Hole ID
- ZMD-162
- Project
- Khuvyn Khar
- Commodity
- copper
- Region
- mongolia
- Reported Region
- mongolia
- Ticker
- ERD
Geometry
- Grade
- 1.25
- Grade Unit
- %
- Intercept
- 30 m
- From
- 298 m
- To
- 328 m
- Intercept Depth
- 298 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- ZMD-162:298-328
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- SGS
- 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
- 2026-01-14T00:00:00.000Z
Reasoning: 1.25% Cu over 30m is a very strong intercept for this deposit type.
Positive factors
- High-grade intercept for a porphyry system
Evidence · table
“1.25”
Context: 30
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Erdene Intersects 30 Metres of 1.25% Copper in Khuvyn Khar Porphyry System Erdene Intersects 30 Metres of 1.25% Copper i"
ZMD-162Khuvyn Khar · silverGrade: 6.1Grade Unit: g/tIntercept: 30 mView all detailsHide details
Identity
- Hole ID
- ZMD-162
- Project
- Khuvyn Khar
- Commodity
- silver
- Region
- mongolia
- Reported Region
- mongolia
- Ticker
- ERD
Geometry
- Grade
- 6.1
- Grade Unit
- g/t
- Intercept
- 30 m
- From
- 298 m
- To
- 328 m
- Intercept Depth
- 298 m
Classification
- Deposit Type
- porphyry
- Program
- exploration
- Sample Type
- drill
- Group ID
- ZMD-162:298-328
- Mining Method
- open_pit
Location
- Loc. Confidence
- high
QA/QC
- Laboratory
- SGS
- 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
- 2026-01-14T00:00:00.000Z
Reasoning: Silver grade accompanies the high-grade copper interval.
Evidence · table
“6.1”
Context: 30
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "Erdene Intersects 30 Metres of 1.25% Copper in Khuvyn Khar Porphyry System Erdene Intersects 30 Metres of 1.25% Copper i"
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.