Orestone Sampling Confirms Oxide Gold Stockwork Zone and Two New Exciting Exploration Targets at Francisca Gold-Silver Property

Original announcement by tmx on

Company
Orestone Mining Corp.
Ticker
ORS
Exchange
TSX
Region
Salta Province, Argentina
Primary commodity
Gold
Secondary commodities
Silver
Document categories
Drill results, Other
Extracted
2026-09-18 14:46:27 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Orestone Mining Corp. has reported successful Phase I sampling and mapping results at the Francisca gold-silver project in Argentina. The program identified two new exploration targets, the Tom East and Kelly Gold Zones, and confirmed high-grade gold-silver mineralization in existing zones via trench sampling.

Reasoning: The release reports successful reconnaissance sampling and trenching that identified new mineralized zones and high-grade intercepts, expanding the project's footprint.

Positive factors

  • Discovery of two new exploration targets (Tom East and Kelly Gold Zones)
  • High-grade gold intercepts in Trench 6B (4.45 g/t over 21m)
  • Identification of high-grade veins in South Gold Zone (up to 8.77 g/t Au)
  • Strong IP chargeability anomalies suggesting larger buried systems
  • QA/QC protocols and QP sign-off disclosed

Negative factors

  • Results are based on surface sampling/trenching rather than diamond drilling

Facts used in scoring: 2

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Identification of Tom East and Kelly Gold Zones as new targets along the Francisca Trend.

Evidence · text

“identified two new prominent gold mineralized systems. The Tom East Zone... and the Kelly Gold Zone”

QA/QC Disclosedpositive

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: Release details use of blanks, standards, duplicates, and a certified laboratory (Alex Stewart International).

Evidence · text

“In addition to Alex Stewart's in house QA-QC controls, blanks, duplicates and standards were inserted”

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: The Kelly Gold Zone is described as an extension of the South Gold Zone.

Evidence · text

“The Kelly Gold Zone... is thought to be an extension of it.”

Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

Drill Results (2)

Trench 6BFrancisca North · goldGrade: 4.45Grade Unit: g/tIntercept: 21 mView all details
Link to this fact

Identity

Hole ID
Trench 6B
Project
Francisca North
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ORS

Geometry

Grade
4.45
Grade Unit
g/t
Intercept
21 m

Classification

Sample Type
drill
Mining Method
open_pit

Location

Location
Tom East Zone
Loc. Source
document

QA/QC

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
2026-06-26T00:00:00.000Z

Reasoning: High-grade gold intercept in a new zone.

Positive factors

  • Strong grade and width for surface sampling

Evidence · text

“Trench 6B in the soft clay altered colluvium, yielded 4.45 g/t gold over 21 metres.”

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

Trench 6BFrancisca North · goldGrade: 10.33Grade Unit: g/tView all details
Link to this fact

Identity

Hole ID
Trench 6B
Project
Francisca North
Commodity
gold
Region
argentina
Reported Region
argentina
Ticker
ORS

Geometry

Grade
10.33
Grade Unit
g/t

Classification

Sample Type
drill
Mining Method
open_pit

Location

Location
Tom East Gold Zone
Loc. Source
document

QA/QC

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
2026-06-26T00:00:00.000Z

Reasoning: High grade single sample discovery.

Positive factors

  • Very high grade sample

Evidence · text

“discovered high grade gold in a sample of chalcedonic quartz grading 10.33 g/t gold”

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.