Mineralisation Extends at El Cedro

Original announcement by jmn on Oct 14, 2026

Bullish

Company: Orosur Mining Inc.
Ticker: OMI
Exchange: TSXV
Region: Colombia
Primary commodity: Gold
Secondary commodities: Copper
Document categories: Drill results, Permitting
Extracted: 2026-10-14 06:18:19 UTC

Atlas analysis published: Oct 14, 2026

Minestarters Atlas analysis

Summary

Orosur Mining has reported promising first drill results from the El Cedro prospect, with hole CED001 returning a 267.4m intercept of 0.65 g/t Au from surface, including high-grade veins. Additionally, the company has completed the Plan of Works (PTO) for the Pepas deposit, advancing it into the formal permitting and consultation phase.

Reasoning: First drill results from El Cedro show consistent gold mineralisation and high-grade veins, while the Pepas deposit has reached a key permitting milestone (PTO completion).

Positive factors

consistent gold mineralisation from surface
mineralisation remains open at depth
multiple high-grade veins intersected
completion of Pepas PTO

Negative factors

premature termination of CED001 due to drilling issues
lack of local ICP-MS facility requiring international shipping

Facts used in scoring: 5

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 industry standard QAQC protocols including blanks, repeats, and CRMs.

Evidence · text

“Industry standard QAQC protocols are put in place with approximately 10% of total submitted samples being blanks, repeats or Certified Reference Materials (CRMs).”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The results from CED001 are described as testing the flanks of the northern intrusion and intersecting possible down dip extensions.

Evidence · text

“intersect possible down dip extensions of multiple high grade vein systems”

Extracted facts

Stored fact records: 5. Some facts used in scoring do not have a stored record.

Drill Results (5)

CED001Anzá · goldGrade: 0.65Grade Unit: g/tIntercept: 267.4 mView all details

Link to this fact

Identity

Hole ID: CED001
Project: Anzá
Commodity: gold
Region: colombia
Reported Region: colombia
Ticker: OMI

Geometry

Grade: 0.65
Grade Unit: g/t
Intercept: 267.4 m
From: 0 m
To: 267.4 m
Intercept Depth: 0 m

Classification

Deposit Type: porphyry
Program: exploration
Sample Type: drill
Group ID: CED001:0-267.4
Mining Method: unknown

QA/QC

QA/QC Disclosed: Yes
Lab Certified: Yes
QP Signed: Yes
QA/QC Methods: standards, blanks

Compositing

Cutoff Grade: 0.3
Cutoff Unit: g/t Au

Review

Needs Review: No
Interp. Status: scored
Historical: No

Dates

Event date: 2026-10-14T00:00:00.000Z

Reasoning: First hole at El Cedro shows continuous mineralisation from surface.

Positive factors

consistent mineralisation from surface
open at depth

Negative factors

hole prematurely terminated

Evidence · text

“CED001 - 267.4m @ 0.65g/t Au from surface”

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

CED001Anzá · goldGrade: 1Grade Unit: g/tIntercept: 46.3 mView all details

Link to this fact

Identity

Hole ID: CED001
Project: Anzá
Commodity: gold
Region: colombia
Reported Region: colombia
Ticker: OMI

Geometry

Grade: 1
Grade Unit: g/t
Intercept: 46.3 m
From: 19.2 m
To: 65.5 m
Intercept Depth: 19.2 m

Classification

Deposit Type: porphyry
Program: exploration
Sample Type: drill
Group ID: CED001:19.2-65.5
Mining Method: unknown

QA/QC

QA/QC Disclosed: Yes
Lab Certified: Yes
QP Signed: Yes
QA/QC Methods: standards, blanks

Compositing

Cutoff Grade: 0.3
Cutoff Unit: g/t Au

Review

Needs Review: No
Interp. Status: scored
Historical: No

Dates

Event date: 2026-10-14T00:00:00.000Z

Reasoning: High grade sub-interval within the main intercept.

Positive factors

high grade relative to composite

Evidence · table

“1”

Context: 46.3

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

CED001Anzá · goldGrade: 1.01Grade Unit: g/tIntercept: 28.25 mView all details

Link to this fact

Identity

Hole ID: CED001
Project: Anzá
Commodity: gold
Region: colombia
Reported Region: colombia
Ticker: OMI

Geometry

Grade: 1.01
Grade Unit: g/t
Intercept: 28.25 m
From: 118.75 m
To: 147 m
Intercept Depth: 118.75 m

Classification

Deposit Type: porphyry
Program: exploration
Sample Type: drill
Group ID: CED001:118.75-147
Mining Method: unknown

QA/QC

QA/QC Disclosed: Yes
Lab Certified: Yes
QP Signed: Yes
QA/QC Methods: standards, blanks

Compositing

Cutoff Grade: 0.3
Cutoff Unit: g/t Au

Review

Needs Review: No
Interp. Status: scored
Historical: No

Dates

Event date: 2026-10-14T00:00:00.000Z

Reasoning: Sub-interval within the main intercept.

Evidence · table

“1.01”

Context: 28.25

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

CED001Anzá · goldGrade: 1.01Grade Unit: g/tIntercept: 22.2 mView all details

Link to this fact

Identity

Hole ID: CED001
Project: Anzá
Commodity: gold
Region: colombia
Reported Region: colombia
Ticker: OMI

Geometry

Grade: 1.01
Grade Unit: g/t
Intercept: 22.2 m
From: 225.2 m
To: 247.4 m
Intercept Depth: 225.2 m

Classification

Deposit Type: porphyry
Program: exploration
Sample Type: drill
Group ID: CED001:225.2-247.4
Mining Method: unknown

QA/QC

QA/QC Disclosed: Yes
Lab Certified: Yes
QP Signed: Yes
QA/QC Methods: standards, blanks

Compositing

Cutoff Grade: 0.3
Cutoff Unit: g/t Au

Review

Needs Review: No
Interp. Status: scored
Historical: No

Dates

Event date: 2026-10-14T00:00:00.000Z

Reasoning: Sub-interval within the main intercept.

Evidence · table

“1.01”

Context: 22.2

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

CED001Anzá · goldGrade: 3.89Grade Unit: g/tIntercept: 2.15 mView all details

Link to this fact

Identity

Hole ID: CED001
Project: Anzá
Commodity: gold
Region: colombia
Reported Region: colombia
Ticker: OMI

Geometry

Grade: 3.89
Grade Unit: g/t
Intercept: 2.15 m
From: 232.25 m
To: 234.4 m
Intercept Depth: 232.25 m

Classification

Deposit Type: porphyry
Program: exploration
Sample Type: drill
Group ID: CED001:232.25-234.4
Mining Method: unknown

QA/QC

QA/QC Disclosed: Yes
Lab Certified: Yes
QP Signed: Yes
QA/QC Methods: standards, blanks

Compositing

Cutoff Grade: 0.3
Cutoff Unit: g/t Au

Review

Needs Review: No
Interp. Status: scored
Historical: No

Dates

Event date: 2026-10-14T00:00:00.000Z

Reasoning: High grade vein intersection.

Positive factors

high grade relative to composite

Evidence · table

“3.89”

Context: 2.15

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

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.