Orosur Mining Announces Discovery at El Cedro
Original announcement by orestocks on
- Company
- Orosur Mining Inc.
- Ticker
- OMI
- Exchange
- Unavailable
- Region
- Colombia
- Primary commodity
- Gold
- Secondary commodities
- Copper
- Document categories
- Drill results, Other
- Extracted
- 2026-09-15 06:47:30 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Orosur Mining has announced the first drill results from its El Cedro prospect at the Anzá Project in Colombia. The hole CED001 intersected a 61.35m zone of gold mineralization grading 0.93 g/t Au from surface, including a higher-grade 42.15m interval at 1.02 g/t Au.
Reasoning: First drill results from the El Cedro prospect show a broad, continuous gold interval from surface, confirming the presence of a mineralized system as anticipated.
Positive factors
- First hole at new prospect
- Broad mineralization from surface
- Continuous mineralization over 61m
- Presence of polymetallic veining at depth
Negative factors
- Copper grades below economic significance
- True width not disclosed
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 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).”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: The interval is reported as downhole thickness with no true width or drill orientation provided for the specific intercept.
Evidence · text
“Intersections are quoted as downhole thicknesses. True geological thicknesses are unknown.”
Extracted facts
Stored fact records: 2. Some facts used in scoring do not have a stored record.
Drill Results (2)
CED001vein · goldGrade: 0.93Grade Unit: g/tIntercept: 61.35 mView all detailsHide details
Identity
- Hole ID
- CED001
- Project
- vein
- Commodity
- gold
- Region
- colombia
- Reported Region
- colombia
- Ticker
- OMI
Geometry
- Grade
- 0.93
- Grade Unit
- g/t
- Intercept
- 61.35 m
- From
- 0 m
- To
- 61.35 m
- Intercept Depth
- 0 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- CED001:0-61.35
- Mining Method
- unknown
Location
- Location
- El Cedro
- Easting
- 399487
- Northing
- 691315
- CRS
- WGS84, UTM Zone 18
- Elevation
- 1264 m
- Azimuth
- 180 °
- Dip
- -55 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: Broad gold interval from surface in a first-pass hole.
Positive factors
- Continuous mineralization from surface
Negative factors
- Apparent width only
Evidence · text
“CED001 - 61.35m @ 0.93g/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
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
CED001vein · goldGrade: 1.02Grade Unit: g/tIntercept: 42.15 mView all detailsHide details
Identity
- Hole ID
- CED001
- Project
- vein
- Commodity
- gold
- Region
- colombia
- Reported Region
- colombia
- Ticker
- OMI
Geometry
- Grade
- 1.02
- Grade Unit
- g/t
- Intercept
- 42.15 m
- From
- 19.2 m
- To
- 61.35 m
- Intercept Depth
- 19.2 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- CED001:19.2-61.35
- Mining Method
- unknown
Location
- Location
- El Cedro
- Easting
- 399487
- Northing
- 691315
- CRS
- WGS84, UTM Zone 18
- Elevation
- 1264 m
- Azimuth
- 180 °
- Dip
- -55 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-15T00:00:00.000Z
Reasoning: Stronger grade within the main intercept.
Positive factors
- Higher grade sub-interval
Evidence · text
“Including 42.15m @ 1.02 g/t from 19m.”
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
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.