Regulus Announces Delivery of Phase Two Metallurgical Samples to Nuton LLC, a Rio Tinto Venture
Original announcement by tmx on
- Company
- Regulus Resources Inc.
- Ticker
- REG
- Exchange
- TSX
- Region
- Peru
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver
- Document categories
- Metallurgy
- Extracted
- 2026-08-24 08:36:25 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Regulus Resources has delivered eight composite metallurgical samples to Nuton LLC, a Rio Tinto venture, to commence phase two testing. The program will utilize proprietary sulphide leaching technologies to refine recovery expectations across high sulphidation, skarn, and porphyry mineralization styles.
Reasoning: The delivery of samples to a Rio Tinto venture for advanced sulphide leaching testing is a significant de-risking step for the AntaKori project, though results are not immediate.
Positive factors
- Advancement to phase two metallurgical testing
- Partnership with Rio Tinto venture (Nuton)
- Use of proprietary sulphide leaching technology
Negative factors
- Long lead time for results (approx. one year)
Facts used in scoring: 24
Extracted facts
Stored fact records: 24. Some facts used in scoring do not have a stored record.
Metallurgical Results (24)
column leachcopperHead Grade: 0.95Head Grade Unit: %View all detailsHide details
Identity
- Commodity
- copper
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-17-003A RTP2-VO-A High Sulphidation
Recovery
- Head Grade
- 0.95
- Head Grade Unit
- %
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Negative factors
- High arsenic content (3,275 ppm)
Evidence · table
“0.95”
Context: 191.3
column leachgoldHead Grade: 0.46Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-17-003A RTP2-VO-A High Sulphidation
Recovery
- Head Grade
- 0.46
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“0.46”
Context: 191.3
column leachsilverHead Grade: 8.4Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-17-003A RTP2-VO-A High Sulphidation
Recovery
- Head Grade
- 8.4
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“8.4”
Context: 191.3
column leachcopperHead Grade: 0.71Head Grade Unit: %View all detailsHide details
Identity
- Commodity
- copper
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-18-024 RTP2-VO-B High Sulphidation
Recovery
- Head Grade
- 0.71
- Head Grade Unit
- %
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Negative factors
- High arsenic content (2,428 ppm)
Evidence · table
“0.71”
Context: 219.2
column leachgoldHead Grade: 0.12Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-18-024 RTP2-VO-B High Sulphidation
Recovery
- Head Grade
- 0.12
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“0.12”
Context: 219.2
column leachsilverHead Grade: 4.1Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-18-024 RTP2-VO-B High Sulphidation
Recovery
- Head Grade
- 4.1
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“4.1”
Context: 219.2
column leachcopperHead Grade: 1.79Head Grade Unit: %View all detailsHide details
Identity
- Commodity
- copper
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-19-031 RTP2-VO-C High Sulphidation
Recovery
- Head Grade
- 1.79
- Head Grade Unit
- %
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: High grade sample but significant penalty element risk.
Positive factors
- Strong copper grade
Negative factors
- Very high arsenic content (7,515 ppm)
Evidence · table
“1.79”
Context: 146.2
column leachgoldHead Grade: 3.59Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-19-031 RTP2-VO-C High Sulphidation
Recovery
- Head Grade
- 3.59
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: High grade sample.
Positive factors
- Strong gold grade
Evidence · table
“3.59”
Context: 146.2
column leachsilverHead Grade: 22.6Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-19-031 RTP2-VO-C High Sulphidation
Recovery
- Head Grade
- 22.6
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: High grade sample.
Positive factors
- Strong silver grade
Evidence · table
“22.6”
Context: 146.2
column leachcopperHead Grade: 1.53Head Grade Unit: %View all detailsHide details
Identity
- Commodity
- copper
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-19-031 RTP2-VO-D High Sulphidation
Recovery
- Head Grade
- 1.53
- Head Grade Unit
- %
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Negative factors
- High arsenic content (4,283 ppm)
Evidence · table
“1.53”
Context: 228.7
column leachgoldHead Grade: 3.78Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-19-031 RTP2-VO-D High Sulphidation
Recovery
- Head Grade
- 3.78
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: High grade sample.
Positive factors
- Strong gold grade
Evidence · table
“3.78”
Context: 228.7
column leachsilverHead Grade: 9Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-19-031 RTP2-VO-D High Sulphidation
Recovery
- Head Grade
- 9
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“9.0”
Context: 228.7
column leachcopperHead Grade: 0.53Head Grade Unit: %View all detailsHide details
Identity
- Commodity
- copper
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-18-022 RTP2-VO-E High Sulphidation
Recovery
- Head Grade
- 0.53
- Head Grade Unit
- %
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Negative factors
- High arsenic content (1,432 ppm)
Evidence · table
“0.53”
Context: 153.8
column leachgoldHead Grade: 0.16Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-18-022 RTP2-VO-E High Sulphidation
Recovery
- Head Grade
- 0.16
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“0.16”
Context: 153.8
column leachsilverHead Grade: 5.5Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-18-022 RTP2-VO-E High Sulphidation
Recovery
- Head Grade
- 5.5
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“5.5”
Context: 153.8
column leachcopperHead Grade: 0.52Head Grade Unit: %View all detailsHide details
Identity
- Commodity
- copper
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-18-008 RTP2-PO-F Porphyry
Recovery
- Head Grade
- 0.52
- Head Grade Unit
- %
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“0.52”
Context: 199.4
column leachgoldHead Grade: 0.15Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-18-008 RTP2-PO-F Porphyry
Recovery
- Head Grade
- 0.15
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“0.15”
Context: 199.4
column leachsilverHead Grade: 3.5Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-18-008 RTP2-PO-F Porphyry
Recovery
- Head Grade
- 3.5
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“3.5”
Context: 199.4
column leachcopperHead Grade: 0.77Head Grade Unit: %View all detailsHide details
Identity
- Commodity
- copper
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-19-031 RTP2-SK-G Skarn
Recovery
- Head Grade
- 0.77
- Head Grade Unit
- %
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“0.77”
Context: 129.5
column leachgoldHead Grade: 0.23Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-19-031 RTP2-SK-G Skarn
Recovery
- Head Grade
- 0.23
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“0.23”
Context: 129.5
column leachsilverHead Grade: 3.4Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-19-031 RTP2-SK-G Skarn
Recovery
- Head Grade
- 3.4
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“3.4”
Context: 129.5
column leachcopperHead Grade: 0.53Head Grade Unit: %View all detailsHide details
Identity
- Commodity
- copper
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-19-028 RTP2-SK-H Skarn
Recovery
- Head Grade
- 0.53
- Head Grade Unit
- %
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“0.53”
Context: 180.6
column leachgoldHead Grade: 0.18Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-19-028 RTP2-SK-H Skarn
Recovery
- Head Grade
- 0.18
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“0.18”
Context: 180.6
column leachsilverHead Grade: 13.3Head Grade Unit: g/tView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- REG
Test Work
- Program Status
- optimization
- Test Type
- column leach
- Sample
- AK-19-028 RTP2-SK-H Skarn
Recovery
- Head Grade
- 13.3
- Head Grade Unit
- g/t
Lab
- Laboratory
- SGS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-11-07T00:00:00.000Z
Reasoning: Representative sample for testing.
Evidence · table
“13.3”
Context: 180.6
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.