Orosur Mining Inc. Announces 43-101 Technical Report for its Anza Project
Original announcement by tmx on
- Company
- Orosur Mining Inc.
- Ticker
- OMI
- Exchange
- TSX
- Region
- Colombia
- Primary commodity
- Unavailable
- Secondary commodities
- None reported
- Document categories
- Resource update, Economic study
- Extracted
- 2026-09-18 15:02:26 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Orosur Mining Inc. has filed a NI 43-101 compliant technical report for its 100%-owned Anza Project in Colombia. The report includes a maiden Mineral Resource Estimate for the Pepas deposit.
Reasoning: The announcement confirms the filing of a formal NI 43-101 technical report containing a maiden resource estimate for the Pepas deposit, which is a key de-risking milestone for the Anza Project.
Positive factors
- Maiden Mineral Resource Estimate filed
- NI 43-101 compliant technical report
Facts used in scoring: 1
Classification and evidence
Maiden Resourceneutral
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component. No prior estimate exists, so every change band is not applicable.
Why it applies: The report includes a maiden Mineral Resource Estimate for the Pepas deposit.
Evidence · text
“including its maiden Mineral Resource Estimate for the Pepas deposit”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The company explicitly states the report is NI 43-101 compliant.
Evidence · text
“filing of a National Instrument 43-101 - Standards of Disclosure for Mineral Projects - compliant technical report”
Extracted facts
Stored fact records: 1. Some facts used in scoring do not have a stored record.
Resource Estimates (1)
PepasAnza ProjectView all detailsHide details
Identity
- Project
- Anza Project
- Region
- colombia
- Reported Region
- Colombia
- Ticker
- OMI
Resource scope
- Estimate type
- resource
- Effective date
- 2026-01-16T00:00:00.000Z
- Reporting standards
- ni_43_101
- Resource group id
- resource:5609eed00b04f634889c
- Deposit or zone
- Pepas
- Ownership percent
- 100 %
Prior Estimate
- Resource Date
- 2026-01-16
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-26T00:00:00.000Z
Reasoning: This is a maiden resource estimate, representing the first formal quantification of the Pepas deposit.
Positive factors
- Maiden resource establishment
Evidence · text
“including its maiden Mineral Resource Estimate for the Pepas deposit”
Tags used in scoring
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: no Qualified or Competent Person is named anywhere in the release
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.