Riverside Resources and Questcorp Chip-Channel Sample High Grade Gold-Silver 30m @ 20 g/t Gold and 226 g/t Silver and Announce Drill Results from Union Project

Original announcement by tmx on

Company
Riverside Resources Inc.
Ticker
RRI
Exchange
TSX
Region
Sonora, Mexico
Primary commodity
Gold
Secondary commodities
Silver, Zinc, Lead
Document categories
Drill results, Other
Extracted
2026-08-26 06:46:45 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Riverside Resources and Questcorp reported high-grade 30m chip-channel sampling at the Union Mine (20 g/t Au, 226 g/t Ag) and completed Phase 1 drilling. The program successfully identified both Carbonate Replacement Deposit (CRD) style mineralization and a new sediment-hosted gold (SHGD) target at Luis Hill.

Reasoning: The release reports high-grade surface sampling and significant new drill results that identify two distinct mineralization styles (CRD and SHGD), expanding the project's potential.

Positive factors

  • High-grade chip-channel sampling (20 g/t Au)
  • Discovery of new sediment-hosted gold (SHGD) style at Luis Hill
  • Multi-element signatures (Zn, Ag, Au, Pb) consistent with CRD targets
  • QA/QC protocols disclosed (standards, blanks, duplicates)

Negative factors

  • True widths not known due to folding/faulting
  • Channel sampling does not represent true width

Facts used in scoring: 5

Atlas analysis — Riverside Resources Inc.: Riverside Resources and Questcorp Chip-Channel Sample High Grade Gold-Silver 30m @ 20 g/t Gold and 226 g/t Silver and Announce Drill Results from Union Project. 20 g/t over 30 m; 0.3 g/t over 42 m

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Identification of new SHGD-style mineralization at Luis Hill represents a new discovery/extension of the project's potential.

Evidence · text

“This represents a new finding for this part of Sonora and is significant for both the property and the region”

QA/QC Disclosedpositive

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

Why it applies: The release details the use of standards, blanks, and duplicates, and mentions a certified laboratory process.

Evidence · text

“Standards were inserted every 20 samples and blanks every 100 samples. The laboratory also duplicated every 20 samples”

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 high-grade channel sample is explicitly noted as not representing true width.

Evidence · text

“Channel sampling along the mine adit entrance access wall and does not represent true width”

Extracted facts

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

Drill Results (5)

Fact 1goldGrade: 20Grade Unit: g/tIntercept: 30 mView all details
Link to this fact

Identity

Commodity
gold
Ticker
RRI

Geometry

Grade
20
Grade Unit
g/t
Intercept
30 m

Classification

Sample Type
channel
Group ID
channel:union_mine_wall

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Exceptional gold grade over a significant 30m width in channel sampling.

Positive factors

  • High grade (20 g/t Au)

Negative factors

  • Does not represent true width
Fact 2silverGrade: 226Grade Unit: g/tIntercept: 30 mView all details
Link to this fact

Identity

Commodity
silver
Ticker
RRI

Geometry

Grade
226
Grade Unit
g/t
Intercept
30 m

Classification

Sample Type
channel
Group ID
channel:union_mine_wall

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Significant silver grade accompanying the gold in the channel sample.

Positive factors

  • Strong silver grade

Negative factors

  • Does not represent true width
Hole 9goldGrade: 0.3Grade Unit: g/tIntercept: 42 mView all details
Link to this fact

Identity

Hole ID
Hole 9
Commodity
gold
Ticker
RRI

Geometry

Grade
0.3
Grade Unit
g/t
Intercept
42 m

Classification

Sample Type
drill

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Discovery of a new sediment-hosted gold style with significant continuous width.

Positive factors

  • Significant width (42m)
  • New mineralization style (SHGD)
hole 8zincGrade: 214Grade Unit: ppmIntercept: 15.85 mView all details
Link to this fact

Identity

Hole ID
hole 8
Commodity
zinc
Ticker
RRI

Geometry

Grade
214
Grade Unit
ppm
Intercept
15.85 m

Classification

Sample Type
drill

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Anomalous zinc intercept supporting the CRD model.

Positive factors

  • Confirms CRD-style zinc mineralization
drill hole 7zincGrade: 0.1Grade Unit: %Intercept: 14 mView all details
Link to this fact

Identity

Hole ID
drill hole 7
Commodity
zinc
Ticker
RRI

Geometry

Grade
0.1
Grade Unit
%
Intercept
14 m

Classification

Sample Type
drill

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-22T00:00:00.000Z

Reasoning: Low-grade zinc intercept in the Union Mine area.

Positive factors

  • Zinc mineralization identified

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.