ARIS MINING EXPANDS HIGH-GRADE SEGOVIA RESERVE AND RESOURCE ESTIMATES
Original announcement by tmx on
- Company
- Aris Mining Corporation
- Ticker
- ARIS
- Exchange
- TSX
- Region
- Antioquia, Colombia
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Resource update, Production
- Extracted
- 2026-08-24 23:00:15 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Aris Mining has updated its Segovia mineral reserve and resource estimates, reporting a 7% increase in Measured and Indicated resources and a 12% increase in both Inferred resources and Proven and Probable reserves. The update reflects successful exploration and resource-to-reserve conversion at the high-grade Segovia operations in Colombia.
Reasoning: Significant expansion in both resource and reserve categories with high-grade continuity, supported by successful conversion and exploration success.
Positive factors
- M&I resource growth of 7%
- Inferred resource growth of 12%
- Reserve growth of 12%
- Exceptionally high-grade inventory
- Successful conversion of resources to reserves
Facts used in scoring: 5
Classification and evidence
Category Upgradepositive
Resource confidence improved — Inferred upgraded to Indicated, or Indicated to Measured. De-risking signal.
Why it applies: Proven and probable reserves increased by 12% reflecting successful conversion of resources to reserves.
Evidence · text
“Proven and probable mineral reserves increased by 12% to 1.5 Moz, up from 1.3 Moz in the 2024 estimate, reflecting successful conversion of resources to reserves”
Tonnage Growthpositive
Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.
Why it applies: Measured and indicated resources increased by 7% and inferred resources grew by 12%.
Evidence · text
“Measured and indicated mineral resources increased by 7% to 3.6 million ounces of gold (Moz), up from 3.4 Moz in the 2024 estimate, while inferred resources increased by 12% to 2.9 Moz”
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: Pamela De Mark, P.Geo. is named as the Qualified Person for the 2025 MRE.
Evidence · text
“The 2025 MRE was prepared by Pamela De Mark, P.Geo., Senior Vice President of Geology and Exploration of Aris Mining, who is a Qualified Person as defined by NI 43-101.”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: Cut-off grades for both resources and reserves are disclosed.
Evidence · text
“The 2025 MRE utilized a gold cut-off grade of between 2.04 g/t and 2.95 g/t”
Extracted facts
Stored fact records: 5. Some facts used in scoring do not have a stored record.
Resource Estimates (5)
measuredgoldTonnes: 4050000Grade: 14.78Grade Unit: g/tContained Metal: 1925Contained Unit: kozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ARIS
Resource Data
- Category
- measured
- Tonnes
- 4050000
- Grade
- 14.78
- Grade Unit
- g/t
- Contained Metal
- 1925
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-08T00:00:00.000Z
Reasoning: Measured resource component of the update.
Positive factors
- High grade
Evidence · table
“14.78”
Context: 4,050
indicatedgoldTonnes: 3321000Grade: 15.94Grade Unit: g/tContained Metal: 1701Contained Unit: kozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ARIS
Resource Data
- Category
- indicated
- Tonnes
- 3321000
- Grade
- 15.94
- Grade Unit
- g/t
- Contained Metal
- 1701
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-08T00:00:00.000Z
Reasoning: Indicated resource component of the update.
Positive factors
- High grade
Evidence · table
“15.94”
Context: 3,321
inferredgoldTonnes: 6289000Grade: 14.13Grade Unit: g/tContained Metal: 2856Contained Unit: kozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ARIS
Resource Data
- Category
- inferred
- Tonnes
- 6289000
- Grade
- 14.13
- Grade Unit
- g/t
- Contained Metal
- 2856
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-08T00:00:00.000Z
Reasoning: Inferred resource component showing 12% growth.
Positive factors
- Significant tonnage growth
Evidence · table
“14.13”
Context: 6,289
provengoldTonnes: 1708000Grade: 9.92Grade Unit: g/tContained Metal: 545Contained Unit: kozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ARIS
Resource Data
- Category
- proven
- Tonnes
- 1708000
- Grade
- 9.92
- Grade Unit
- g/t
- Contained Metal
- 545
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-08T00:00:00.000Z
Reasoning: Proven reserve component.
Positive factors
- High grade reserves
Evidence · table
“9.92”
Context: 1,708
probablegoldTonnes: 2659000Grade: 11.21Grade Unit: g/tContained Metal: 958Contained Unit: kozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- ARIS
Resource Data
- Category
- probable
- Tonnes
- 2659000
- Grade
- 11.21
- Grade Unit
- g/t
- Contained Metal
- 958
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-01-08T00:00:00.000Z
Reasoning: Probable reserve component.
Positive factors
- High grade reserves
Evidence · table
“11.21”
Context: 2,659
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.