RPX Gold Announces Positive Metallurgical Test Results
Original announcement by tmx on
- Company
- RPX Gold Inc.
- Ticker
- RPX
- Exchange
- TSX
- Region
- Ontario
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Metallurgy, Economic study, Resource update
- Extracted
- 2026-09-18 18:22:27 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
RPX Gold announced positive preliminary metallurgical test results from its Wawa Gold Project in Ontario, showing average gold recoveries of 93.4% for open-pit samples and 88.3% for underground samples using conventional cyanidation. These results validate the processing assumptions from the 2026 PEA and support the company's plan to advance the project towards a Pre-Feasibility Study by mid-2027. The program tested 26 of 71 samples, with some indicating elevated arsenic levels.
Reasoning: RPX Gold announced positive preliminary metallurgical test results from its Wawa Gold Project, demonstrating high gold recoveries via conventional cyanidation for both open-pit and underground material. These results are encouraging and support the project's development assumptions and progression towards a PFS, although they are preliminary and some samples contain arsenic.
Positive factors
- High gold recoveries achieved through conventional cyanidation
- Results validate processing assumptions for the Wawa Gold Project
- Supports advancement towards a Pre-Feasibility Study (PFS)
Negative factors
- Results are preliminary, covering only 26 of 71 samples
- Some samples show elevated arsenic content, indicating potential processing considerations
Facts used in scoring: 29
Classification and evidence
Multi-Domain Testedpositive
Variability across ore domains (oxide, transition, fresh) has been addressed.
Why it applies: 22 distinct composites were tested
Extracted facts
Stored fact records: 28. Some facts used in scoring do not have a stored record.
Resource Estimates (2)
indicatedWawa Gold Project · goldTonnes: 22909000Grade: 1.69Grade Unit: g/tContained Metal: 1244000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Resource scope
- Estimate type
- resource
- Resource group id
- resource:1194391d819795fc9e82
Resource Data
- Category
- indicated
- Tonnes
- 22909000
- Grade
- 1.69
- Grade Unit
- g/t
- Contained Metal
- 1244000
- Contained Unit
- oz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-02-18T00:00:00.000Z
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Restatement of the indicated mineral resource from the 2026 PEA.
Positive factors
- Defines a significant indicated resource base for the project
Negative factors
- Historical data, not a new resource estimate
Evidence · text
“indicated mineral resource of 22.909 million (“M”) tonnes grading 1.69 g/t Au containing 1,244,000 ounces Au”
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
inferredWawa Gold Project · goldTonnes: 9951000Grade: 1.59Grade Unit: g/tContained Metal: 509000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Resource scope
- Estimate type
- resource
- Resource group id
- resource:33cf718d23880b33e284
Resource Data
- Category
- inferred
- Tonnes
- 9951000
- Grade
- 1.59
- Grade Unit
- g/t
- Contained Metal
- 509000
- Contained Unit
- oz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-02-18T00:00:00.000Z
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Restatement of the inferred mineral resource from the 2026 PEA.
Positive factors
- Identifies additional inferred resource potential
Negative factors
- Historical data, not a new resource estimate
- Inferred category has lower confidence
Evidence · text
“inferred mineral resource of 9.951 M tonnes grading 1.59 g/t Au containing 509,000 ounces Au”
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
PFS-Supportingneutral
Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.
Why it applies: the release names the study this estimate supports
Metallurgical Results (26)
bottle rollWawa Gold Project · goldRecovery: 90.4 %Head Grade: 0.73Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- HS-15-31 MET-10 RPX OP Central
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 90.4 %
- Recovery Basis
- actual_test
- Head Grade
- 0.73
- Head Grade Unit
- g/t
- Tailings Grade
- 0.07
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: High gold recovery achieved for an open-pit sample, supporting the project's metallurgical viability.
Positive factors
- High gold recovery for open-pit sample
- Validates conventional cyanidation processing
Evidence · table
“90.4”
Context: HS-15-31
bottle rollWawa Gold Project · goldRecovery: 90.5 %Head Grade: 1.64Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- SD-25-541 MET-12 RPX OP Central
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 90.5 %
- Recovery Basis
- actual_test
- Head Grade
- 1.64
- Head Grade Unit
- g/t
- Tailings Grade
- 0.16
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: High gold recovery achieved for an open-pit sample, supporting the project's metallurgical viability.
Positive factors
- High gold recovery for open-pit sample
- Validates conventional cyanidation processing
Evidence · table
“90.5”
Context: SD-25-541
bottle rollWawa Gold Project · goldRecovery: 92.8 %Head Grade: 5.8Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- HS-15-31 MET-9 RPX OP Central
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 92.8 %
- Recovery Basis
- actual_test
- Head Grade
- 5.8
- Head Grade Unit
- g/t
- Tailings Grade
- 0.42
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Very high gold recovery achieved for an open-pit sample, further supporting the project's metallurgical viability.
Positive factors
- Very high gold recovery for open-pit sample
- Validates conventional cyanidation processing
Evidence · table
“92.8”
Context: HS-15-31
bottle rollWawa Gold Project · goldRecovery: 85.4 %Head Grade: 4.81Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- SD-18-248 MET-15 RPX OP South Pit
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 85.4 %
- Recovery Basis
- actual_test
- Head Grade
- 4.81
- Head Grade Unit
- g/t
- Tailings Grade
- 0.7
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Good gold recovery achieved for an open-pit sample, supporting the project's metallurgical viability.
Positive factors
- Good gold recovery for open-pit sample
- Validates conventional cyanidation processing
Evidence · table
“85.4”
Context: SD-18-248
bottle rollWawa Gold Project · goldRecovery: 92.2 %Head Grade: 5Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- SD-26-627 MET-24 RPX OP South Pit
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 92.2 %
- Recovery Basis
- actual_test
- Head Grade
- 5
- Head Grade Unit
- g/t
- Tailings Grade
- 0.39
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Very high gold recovery achieved for an open-pit sample, but with elevated arsenic content which may require further consideration.
Positive factors
- Very high gold recovery for open-pit sample
- Validates conventional cyanidation processing
Negative factors
- Elevated arsenic content in the sample
Evidence · table
“92.2”
Context: SD-26-627
bottle rollWawa Gold Project · goldRecovery: 92.9 %Head Grade: 2.55Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- SD-26-627 MET-6 RPX OP South Pit
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 92.9 %
- Recovery Basis
- actual_test
- Head Grade
- 2.55
- Head Grade Unit
- g/t
- Tailings Grade
- 0.18
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Very high gold recovery achieved for an open-pit sample, further supporting the project's metallurgical viability.
Positive factors
- Very high gold recovery for open-pit sample
- Validates conventional cyanidation processing
Evidence · table
“92.9”
Context: SD-26-627
bottle rollWawa Gold Project · goldRecovery: 94.1 %Head Grade: 1.77Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- SD-25-588 MET-16 RPX OP South Pit
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 94.1 %
- Recovery Basis
- actual_test
- Head Grade
- 1.77
- Head Grade Unit
- g/t
- Tailings Grade
- 0.11
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Exceptional gold recovery achieved for an open-pit sample, strongly supporting the project's metallurgical viability.
Positive factors
- Exceptional gold recovery for open-pit sample
- Validates conventional cyanidation processing
Evidence · table
“94.1”
Context: SD-25-588
bottle rollWawa Gold Project · goldRecovery: 94.4 %Head Grade: 3.03Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- SD-25-573 MET-13 RPX OP South Pit
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 94.4 %
- Recovery Basis
- actual_test
- Head Grade
- 3.03
- Head Grade Unit
- g/t
- Tailings Grade
- 0.17
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Exceptional gold recovery achieved for an open-pit sample, strongly supporting the project's metallurgical viability.
Positive factors
- Exceptional gold recovery for open-pit sample
- Validates conventional cyanidation processing
Evidence · table
“94.4”
Context: SD-25-573
bottle rollWawa Gold Project · goldRecovery: 95.2 %Head Grade: 1.78Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- SD-26-630 MET-35 RPX OP South Pit
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 95.2 %
- Recovery Basis
- actual_test
- Head Grade
- 1.78
- Head Grade Unit
- g/t
- Tailings Grade
- 0.09
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Exceptional gold recovery achieved for an open-pit sample, providing strong validation for the project's metallurgical viability.
Positive factors
- Exceptional gold recovery for open-pit sample
- Validates conventional cyanidation processing
Evidence · table
“95.2”
Context: SD-26-630
Tags used in scoring
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 95.2% is at or above the exceptional band (95%)
bottle rollWawa Gold Project · goldRecovery: 95.5 %Head Grade: 18.6Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- SD-26-626 MET-25 RPX OP South Pit
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 95.5 %
- Recovery Basis
- actual_test
- Head Grade
- 18.6
- Head Grade Unit
- g/t
- Tailings Grade
- 0.84
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Exceptional gold recovery achieved for a high-grade open-pit sample, but with elevated arsenic content which may require further consideration.
Positive factors
- Exceptional gold recovery for high-grade open-pit sample
- Validates conventional cyanidation processing
Negative factors
- Elevated arsenic content in the sample
Evidence · table
“95.5”
Context: SD-26-626
Tags used in scoring
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 95.5% is at or above the exceptional band (95%)
bottle rollWawa Gold Project · goldRecovery: 96.2 %Head Grade: 6.26Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- SD-25-589 MET-8 RPX OP South Pit
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 96.2 %
- Recovery Basis
- actual_test
- Head Grade
- 6.26
- Head Grade Unit
- g/t
- Tailings Grade
- 0.24
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Exceptional gold recovery achieved for an open-pit sample, providing strong validation for the project's metallurgical viability.
Positive factors
- Exceptional gold recovery for open-pit sample
- Validates conventional cyanidation processing
Evidence · table
“96.2”
Context: SD-25-589
Tags used in scoring
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 96.2% is at or above the exceptional band (95%)
bottle rollWawa Gold Project · goldRecovery: 96.8 %Head Grade: 1.73Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- SD-25-573 MET-18 RPX OP South Pit
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 96.8 %
- Recovery Basis
- actual_test
- Head Grade
- 1.73
- Head Grade Unit
- g/t
- Tailings Grade
- 0.06
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Exceptional gold recovery achieved for an open-pit sample, providing strong validation for the project's metallurgical viability.
Positive factors
- Exceptional gold recovery for open-pit sample
- Validates conventional cyanidation processing
Evidence · table
“96.8”
Context: SD-25-573
Tags used in scoring
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 96.8% is at or above the exceptional band (95%)
bottle rollWawa Gold Project · goldRecovery: 97.3 %Head Grade: 3.75Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- SD-18-248 MET-19 RPX OP South Pit
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 97.3 %
- Recovery Basis
- actual_test
- Head Grade
- 3.75
- Head Grade Unit
- g/t
- Tailings Grade
- 0.1
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Exceptional gold recovery achieved for an open-pit sample, providing strong validation for the project's metallurgical viability.
Positive factors
- Exceptional gold recovery for open-pit sample
- Validates conventional cyanidation processing
Evidence · table
“97.3”
Context: SD-18-248
Tags used in scoring
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: 97.3% is at or above the exceptional band (95%)
bottle rollWawa Gold Project · goldRecovery: 80.4 %Head Grade: 6.57Head Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- U0882L6 MET-28 Historical UG 65
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 80.4 %
- Recovery Basis
- actual_test
- Head Grade
- 6.57
- Head Grade Unit
- g/t
- Tailings Grade
- 1.29
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Good gold recovery for a historical underground sample, but with elevated arsenic content and representing older data.
Positive factors
- Good gold recovery for historical underground sample
Negative factors
- Historical data, not new test work
- Elevated arsenic content in the sample
Evidence · table
“80.4”
Context: U0882L6
bottle rollWawa Gold Project · goldRecovery: 86.9 %Head Grade: 8.53Head Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- U0913L6 MET-31 Historical UG 65
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 86.9 %
- Recovery Basis
- actual_test
- Head Grade
- 8.53
- Head Grade Unit
- g/t
- Tailings Grade
- 1.12
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Good gold recovery for a historical underground sample, but with elevated arsenic content and representing older data.
Positive factors
- Good gold recovery for historical underground sample
Negative factors
- Historical data, not new test work
- Elevated arsenic content in the sample
Evidence · table
“86.9”
Context: U0913L6
bottle rollWawa Gold Project · goldRecovery: 89.4 %Head Grade: 4.26Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- SD-14-04 MET-36 RPX UG 65
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 89.4 %
- Recovery Basis
- actual_test
- Head Grade
- 4.26
- Head Grade Unit
- g/t
- Tailings Grade
- 0.45
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Good gold recovery achieved for an underground sample, supporting the project's metallurgical viability.
Positive factors
- Good gold recovery for underground sample
- Validates conventional cyanidation processing
Evidence · table
“89.4”
Context: SD-14-04
bottle rollWawa Gold Project · goldRecovery: 89.7 %Head Grade: 10.5Head Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- U0491L5 MET-33 Historical UG 65
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 89.7 %
- Recovery Basis
- actual_test
- Head Grade
- 10.5
- Head Grade Unit
- g/t
- Tailings Grade
- 1.08
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Good gold recovery for a historical underground sample, but with elevated arsenic content and representing older data.
Positive factors
- Good gold recovery for historical underground sample
Negative factors
- Historical data, not new test work
- Elevated arsenic content in the sample
Evidence · table
“89.7”
Context: U0491L5
bottle rollWawa Gold Project · goldRecovery: 93.8 %Head Grade: 23.7Head Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- U0669L5 MET-26 Historical UG 65
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 93.8 %
- Recovery Basis
- actual_test
- Head Grade
- 23.7
- Head Grade Unit
- g/t
- Tailings Grade
- 1.47
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Very high gold recovery for a high-grade historical underground sample, but with elevated arsenic content and representing older data.
Positive factors
- Very high gold recovery for high-grade historical underground sample
Negative factors
- Historical data, not new test work
- Elevated arsenic content in the sample
Evidence · table
“93.8”
Context: U0669L5
bottle rollWawa Gold Project · goldRecovery: 94.3 %Head Grade: 3.33Head Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- U0659L5 MET-3 Historical UG 65
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 94.3 %
- Recovery Basis
- actual_test
- Head Grade
- 3.33
- Head Grade Unit
- g/t
- Tailings Grade
- 0.19
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Exceptional gold recovery for a historical underground sample, but representing older data.
Positive factors
- Exceptional gold recovery for historical underground sample
Negative factors
- Historical data, not new test work
Evidence · table
“94.3”
Context: U0659L5
bottle rollWawa Gold Project · goldRecovery: 86.5 %Head Grade: 2.4Head Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- U1701L4 MET-32 Historical UG Jubilee
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 86.5 %
- Recovery Basis
- actual_test
- Head Grade
- 2.4
- Head Grade Unit
- g/t
- Tailings Grade
- 0.33
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Good gold recovery for a historical underground sample, but with elevated arsenic content and representing older data.
Positive factors
- Good gold recovery for historical underground sample
Negative factors
- Historical data, not new test work
- Elevated arsenic content in the sample
Evidence · table
“86.5”
Context: U1701L4
bottle rollWawa Gold Project · goldRecovery: 77.4 %Head Grade: 7.71Head Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- U1663L5 MET-2 Historical UG Old Tom
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 77.4 %
- Recovery Basis
- actual_test
- Head Grade
- 7.71
- Head Grade Unit
- g/t
- Tailings Grade
- 1.75
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Lower gold recovery for a historical underground sample, combined with very high arsenic content and representing older data.
Negative factors
- Historical data, not new test work
- Elevated arsenic content in the sample
- Recovery is at the lower end of expectations for cyanidation
Evidence · table
“77.4”
Context: U1663L5
Tags used in scoring
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 77.4% is below the weak band (80%)
bottle rollWawa Gold Project · goldRecovery: 86.2 %Head Grade: 3.32Head Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- U1680L5 MET-1 Historical UG Old Tom
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 86.2 %
- Recovery Basis
- actual_test
- Head Grade
- 3.32
- Head Grade Unit
- g/t
- Tailings Grade
- 0.46
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Good gold recovery for a historical underground sample, but with elevated arsenic content and representing older data.
Positive factors
- Good gold recovery for historical underground sample
Negative factors
- Historical data, not new test work
- Elevated arsenic content in the sample
Evidence · table
“86.2”
Context: U1680L5
bottle rollWawa Gold Project · goldRecovery: 88.4 %Head Grade: 14.2Head Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- U1650L5 MET-7 Historical UG Old Tom
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 88.4 %
- Recovery Basis
- actual_test
- Head Grade
- 14.2
- Head Grade Unit
- g/t
- Tailings Grade
- 1.64
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Good gold recovery for a high-grade historical underground sample, but with elevated arsenic content and representing older data.
Positive factors
- Good gold recovery for high-grade historical underground sample
Negative factors
- Historical data, not new test work
- Elevated arsenic content in the sample
Evidence · table
“88.4”
Context: U1650L5
bottle rollWawa Gold Project · goldRecovery: 90.2 %Head Grade: 1.99Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- SD-23-457 MET-5 RPX UG Old Tom - Upper
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 90.2 %
- Recovery Basis
- actual_test
- Head Grade
- 1.99
- Head Grade Unit
- g/t
- Tailings Grade
- 0.2
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: High gold recovery achieved for an underground sample, supporting the project's metallurgical viability.
Positive factors
- High gold recovery for underground sample
- Validates conventional cyanidation processing
Evidence · table
“90.2”
Context: SD-23-457
bottle rollWawa Gold Project · goldRecovery: 92.5 %Head Grade: 3.38Head Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- AV-11-018 MET-11 Historical UG Old Tom - Upper
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 92.5 %
- Recovery Basis
- actual_test
- Head Grade
- 3.38
- Head Grade Unit
- g/t
- Tailings Grade
- 0.26
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Very high gold recovery for a historical underground sample, but representing older data.
Positive factors
- Very high gold recovery for historical underground sample
Negative factors
- Historical data, not new test work
Evidence · table
“92.5”
Context: AV-11-018
bottle rollWawa Gold Project · goldRecovery: 92.5 %Head Grade: 17.2Head Grade Unit: g/tView all detailsHide details
Identity
- Project
- Wawa Gold Project
- Commodity
- gold
- Region
- canada_on
- Reported Region
- Ontario
- Ticker
- RPX
Test Work
- Program Status
- detailed
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- SD-18-255 MET-23 RPX UG Old Tom - Upper
- Grind P80
- 75 µm
- Leach Time
- 48 hours
Recovery
- Recovery
- 92.5 %
- Recovery Basis
- actual_test
- Head Grade
- 17.2
- Head Grade Unit
- g/t
- Tailings Grade
- 1.29
- Tailings Grade Unit
- g/t
Reagents
- Reagent Notes
- target 1.5 grams per liter NaCN at slurry pH 10.5
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
- Consultant
- Haggarty Technical Services Corporation
Location
- Loc. Confidence
- medium
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: Very high gold recovery achieved for a high-grade underground sample, further supporting the project's metallurgical viability.
Positive factors
- Very high gold recovery for high-grade underground sample
- Validates conventional cyanidation processing
Evidence · table
“92.5”
Context: SD-18-255
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.