RPX Gold Announces Positive Metallurgical Test Results
Original announcement by orestocks on
- Company
- RPX Gold Inc.
- Ticker
- RPX.V
- Exchange
- Unavailable
- Region
- Ontario
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Metallurgy
- Extracted
- 2026-09-02 11:33:09 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 extractions of 93.4% for open-pit material and 88.3% for underground material via cyanidation bottle roll tests. These results, conducted by SGS Canada Inc., exceed the 88.0% recovery assumed in the 2026 PEA for open-pit material and validate the use of conventional cyanidation, supporting the project's advancement towards a prefeasibility study.
Reasoning: The preliminary metallurgical test results for the Wawa Gold Project show strong gold recoveries, particularly for open-pit material, exceeding previous PEA assumptions and validating conventional cyanidation. While the testwork is bench-scale and some samples contain arsenic, the overall results are positive for de-risking the project towards a PFS.
Positive factors
- High gold recovery
- Recovery improved vs PEA assumptions
- Conventional processing route validated
- Multi-domain testing
- QP/CP sign-off
- Accredited laboratory
Negative factors
- Preliminary results (not all samples tested)
- Bench-scale testwork (bottle roll)
- Presence of arsenopyrite/arsenic in some samples
Facts used in scoring: 26
Classification and evidence
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: The average gold extraction for open-pit samples was 93.4%, which is strong to exceptional for a mill route.
Evidence · text
“gold extraction averaging 93.4%”
Recovery Improvingpositive
Recovery improved versus a like-for-like prior test program on the same domain and route.
Why it applies: The average gold recovery for open-pit samples of 93.4% is higher than the 88.0% gold recovery assumed in the 2026 PEA.
Evidence · text
“93.4%, compared to 88.0% gold recovery assumed in the 2026 PEA.”
Mill Routeneutral
Processing via mill or concentrator (CIL, CIP, tank leach, flotation).
Why it applies: The test work involved cyanidation bottle roll testing, which is a conventional mill processing route.
Evidence · text
“conventional cyanidation recovery”
Bench Scale Onlynegative
Only preliminary bench tests completed — no locked-cycle or pilot work.
Why it applies: The metallurgical test work consisted of cyanidation bottle roll testing, which is a bench-scale method.
Evidence · text
“cyanidation bottle roll testing”
Multi-Domain Testedpositive
Variability across ore domains (oxide, transition, fresh) has been addressed.
Why it applies: Samples were taken from zones defined as potential initial open pits and underground material, covering different areas of the mine plan.
Evidence · text
“samples within zones defined as potential initial open pits. For underground material”
Refractory Orenegative
Ore requires oxidation/pressure treatment before recovery — a processing and recovery risk.
Why it applies: 10 of the 26 samples contained arsenopyrite with arsenic content ranging from 300 ppm to 2,850 ppm, indicating potential refractory characteristics.
Evidence · text
“10 of the 26 samples containing arsenopyrite with arsenic (“ As ”) content from 300 parts per million ( “ppm” ) to 2,850 ppm As.”
QP/CP Signedpositive · Story-specific tag
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: Jean-François Montreuil, P.Geo., a Qualified Person, reviewed and approved the scientific and technical information in the press release.
Evidence · text
“Jean-François Montreuil, P.Geo., Vice President, Exploration at RPX Gold, and a Qualified Person as defined under National Instrument 43-101, has reviewed and approved the scientific and technical information in this press release.”
Extracted facts
Stored fact records: 26. Some facts used in scoring do not have a stored record.
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-10 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: A 90.4% gold recovery is strong for a mill route, validating the conventional cyanidation process, though it's from bench-scale bottle roll testing.
Positive factors
- Strong recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
Evidence · table
“90.4”
Context: 0.73
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-12 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: A 90.5% gold recovery is strong for a mill route, validating the conventional cyanidation process, though it's from bench-scale bottle roll testing.
Positive factors
- Strong recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
Evidence · table
“90.5”
Context: 1.64
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-9 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: An exceptional 92.8% gold recovery from a high head grade sample is very positive for the mill route, validating the conventional cyanidation process, though it's from bench-scale bottle roll testing.
Positive factors
- Exceptional recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
Evidence · table
“92.8”
Context: 5.80
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-15 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: A 85.4% gold recovery is moderate for a mill route, but the presence of arsenic is a negative factor, though it validates conventional cyanidation from bench-scale testing.
Positive factors
- Moderate recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
Evidence · table
“85.4”
Context: 4.81
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-24 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: An exceptional 92.2% gold recovery from a high head grade sample is very positive for the mill route, validating conventional cyanidation, despite the presence of arsenic and bench-scale testing.
Positive factors
- Exceptional recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
Evidence · table
“92.2”
Context: 5.00
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-6 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: An exceptional 92.9% gold recovery is very positive for the mill route, validating the conventional cyanidation process, though it's from bench-scale bottle roll testing.
Positive factors
- Exceptional recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
Evidence · table
“92.9”
Context: 2.55
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-16 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: An exceptional 94.1% gold recovery is very positive for the mill route, validating conventional cyanidation, despite the presence of arsenic and bench-scale testing.
Positive factors
- Exceptional recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
Evidence · table
“94.1”
Context: 1.77
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-13 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: An exceptional 94.4% gold recovery is very positive for the mill route, validating the conventional cyanidation process, though it's from bench-scale bottle roll testing.
Positive factors
- Exceptional recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
Evidence · table
“94.4”
Context: 3.03
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-35 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: An exceptional 95.2% gold recovery is highly positive for the mill route, validating conventional cyanidation, despite the presence of arsenic and bench-scale testing.
Positive factors
- Exceptional recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
Evidence · table
“95.2”
Context: 1.78
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-25 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: An exceptional 95.5% gold recovery from a very high head grade sample is highly positive for the mill route, validating conventional cyanidation, despite the presence of arsenic and bench-scale testing.
Positive factors
- Exceptional recovery for mill route
- Very high head grade
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
Evidence · table
“95.5”
Context: 18.60
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-8 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: An exceptional 96.2% gold recovery from a high head grade sample is highly positive for the mill route, validating the conventional cyanidation process, though it's from bench-scale bottle roll testing.
Positive factors
- Exceptional recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
Evidence · table
“96.2”
Context: 6.26
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-18 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: An exceptional 96.8% gold recovery is highly positive for the mill route, validating conventional cyanidation, despite the presence of arsenic and bench-scale testing.
Positive factors
- Exceptional recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
Evidence · table
“96.8”
Context: 1.73
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-19 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: An exceptional 97.3% gold recovery is highly positive for the mill route, validating conventional cyanidation, despite the presence of arsenic and bench-scale testing.
Positive factors
- Exceptional recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
Evidence · table
“97.3”
Context: 3.75
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-28 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: A 80.4% gold recovery is weak for a mill route, and the presence of arsenic is a negative factor. This is historical data from bench-scale testing.
Positive factors
- Conventional processing route validated
Negative factors
- Weak recovery for mill route
- Bench-scale testwork
- Presence of arsenic
- Historical data
Evidence · table
“80.4”
Context: 6.57
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-31 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: A 86.9% gold recovery is moderate for a mill route, but the presence of arsenic is a negative factor. This is historical data from bench-scale testing.
Positive factors
- Moderate recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
- Historical data
Evidence · table
“86.9”
Context: 8.53
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-36 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: A 89.4% gold recovery is moderate for a mill route, validating conventional cyanidation, despite the presence of arsenic and bench-scale testing.
Positive factors
- Moderate recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
Evidence · table
“89.4”
Context: 4.26
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-33 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: A 89.7% gold recovery from a high head grade sample is moderate for a mill route, validating conventional cyanidation, despite the presence of arsenic and being historical bench-scale data.
Positive factors
- Moderate recovery for mill route
- High head grade
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
- Historical data
Evidence · table
“89.7”
Context: 10.50
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-26 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: An exceptional 93.8% gold recovery from a very high head grade sample is highly positive for the mill route, validating conventional cyanidation, despite the presence of arsenic and being historical bench-scale data.
Positive factors
- Exceptional recovery for mill route
- Very high head grade
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
- Historical data
Evidence · table
“93.8”
Context: 23.70
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-3 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: An exceptional 94.3% gold recovery is very positive for the mill route, validating the conventional cyanidation process, though it's historical bench-scale data.
Positive factors
- Exceptional recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Historical data
Evidence · table
“94.3”
Context: 3.33
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-32 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: A 86.5% gold recovery is moderate for a mill route, but the presence of arsenic is a negative factor. This is historical data from bench-scale testing.
Positive factors
- Moderate recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
- Historical data
Evidence · table
“86.5”
Context: 2.40
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-2 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: A 77.4% gold recovery is low for a mill route, and the presence of arsenic is a negative factor. This is historical data from bench-scale testing.
Positive factors
- Conventional processing route validated
Negative factors
- Low recovery for mill route
- Bench-scale testwork
- Presence of arsenic
- Historical data
Evidence · table
“77.4”
Context: 7.71
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-1 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: A 86.2% gold recovery is moderate for a mill route, but the presence of arsenic is a negative factor. This is historical data from bench-scale testing.
Positive factors
- Moderate recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
- Historical data
Evidence · table
“86.2”
Context: 3.32
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-7 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: A 88.4% gold recovery from a high head grade sample is moderate for a mill route, validating conventional cyanidation, despite the presence of arsenic and being historical bench-scale data.
Positive factors
- Moderate recovery for mill route
- High head grade
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
- Historical data
Evidence · table
“88.4”
Context: 14.20
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-5 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: A 90.2% gold recovery is strong for a mill route, validating conventional cyanidation, despite the presence of arsenic and bench-scale testing.
Positive factors
- Strong recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
Evidence · table
“90.2”
Context: 1.99
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-11 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: An exceptional 92.5% gold recovery is very positive for the mill route, validating the conventional cyanidation process, though it's historical bench-scale data.
Positive factors
- Exceptional recovery for mill route
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Historical data
Evidence · table
“92.5”
Context: 3.38
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.V
Test Work
- Program Status
- preliminary
- Test Type
- bottle roll
- Processing Route
- cyanidation
- Sample
- MET-23 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
Lab
- Laboratory
- SGS Canada Inc. at Lakefield
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-02T00:00:00.000Z
Reasoning: An exceptional 92.5% gold recovery from a very high head grade sample is highly positive for the mill route, validating conventional cyanidation, despite the presence of arsenic and bench-scale testing.
Positive factors
- Exceptional recovery for mill route
- Very high head grade
- Conventional processing route validated
Negative factors
- Bench-scale testwork
- Presence of arsenic
Evidence · table
“92.5”
Context: 17.20
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.