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

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 detailsHide details
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 detailsHide details
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 detailsHide details
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 detailsHide details
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 detailsHide details
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.