# Regulus Announces Delivery of Phase Two Metallurgical Samples to Nuton LLC, a Rio Tinto Venture

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342

Original source: https://money.tmx.com/en/quote/REG/news/8546515381378094/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio

Publisher: tmx

Original announcement: 2023-11-07T12:00:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Regulus Resources Inc.

- Ticker: REG

- Exchange: TSX

- Region: Peru

- Primary commodity: Copper

- Secondary commodities: Gold, Silver

- Document categories: Metallurgy

- Extracted: 2026-09-16 19:25:18 UTC

Narrative sentiment: 0.40 · Bullish

## Minestarters Atlas summary

Regulus Resources has delivered phase two metallurgical composite samples to Nuton LLC, a Rio Tinto venture, to begin advanced sulphide leaching column tests. The program aims to refine metallurgical recovery understanding across high sulphidation, skarn, and porphyry mineralization styles at the AntaKori project in Peru.

Reasoning: The company is advancing its metallurgical program for the AntaKori project by delivering composite samples to a high-profile Rio Tinto venture for advanced leaching tests.

- Positive factor: Advancement to phase two metallurgical testing

- Positive factor: Partnership with Nuton \(Rio Tinto venture\)

- Positive factor: Use of proprietary sulphide leaching technology

- Negative factor: Results are approximately one year away

Facts used in scoring: 24

## Classification and evidence

**Mill Route**

Polarity: neutral

Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\).

Why it applies: The program involves column test work and sulphide leaching technologies.

Evidence · text

> phase two metallurgical program utilizing Nuton's proprietary primary sulphide leaching technologies

**Multi-Domain Tested**

Polarity: positive

Definition: Variability across ore domains \(oxide, transition, fresh\) has been addressed.

Why it applies: Samples were selected from high sulphidation, skarn, and porphyry mineralization styles.

Evidence · text

> Samples were selected and composited from each of the main mineralization styles at the AntaKori project: high sulphidation, skarn and porphyry.

## Extracted facts

Stored fact records: 24. Some facts used in scoring do not have a stored record.

## Metallurgical Results (24)

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-0)

AntaKori · copper

#### Identity

- Project: AntaKori
- Commodity: copper
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- Test Type: column leach
- Sample: AK-17-003A RTP2-VO-A High Sulphidation

#### Recovery

- Head Grade: 0.95
- Head Grade Unit: %

#### Lab

- Laboratory: SGS
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for copper.

Evidence · table

> 0.95

Context: 191.3

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-1)

AntaKori · gold

#### Identity

- Project: AntaKori
- Commodity: gold
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for gold.

Evidence · table

> 0.46

Context: 191.3

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-2)

AntaKori · silver

#### Identity

- Project: AntaKori
- Commodity: silver
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for silver.

Evidence · table

> 8.4

Context: 191.3

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-3)

AntaKori · copper

#### Identity

- Project: AntaKori
- Commodity: copper
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- Test Type: column leach
- Sample: AK-18-024 RTP2-VO-B High Sulphidation

#### Recovery

- Head Grade: 0.71
- Head Grade Unit: %

#### Lab

- Laboratory: SGS
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for copper.

Evidence · table

> 0.71

Context: 219.2

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-4)

AntaKori · gold

#### Identity

- Project: AntaKori
- Commodity: gold
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for gold.

Evidence · table

> 0.12

Context: 219.2

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-5)

AntaKori · silver

#### Identity

- Project: AntaKori
- Commodity: silver
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for silver.

Evidence · table

> 4.1

Context: 219.2

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-6)

AntaKori · copper

#### Identity

- Project: AntaKori
- Commodity: copper
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- Test Type: column leach
- Sample: AK-19-031 RTP2-VO-C High Sulphidation

#### Recovery

- Head Grade: 1.79
- Head Grade Unit: %

#### Lab

- Laboratory: SGS
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for copper.

Evidence · table

> 1.79

Context: 146.2

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-7)

AntaKori · gold

#### Identity

- Project: AntaKori
- Commodity: gold
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for gold.

Evidence · table

> 3.59

Context: 146.2

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-8)

AntaKori · silver

#### Identity

- Project: AntaKori
- Commodity: silver
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for silver.

Evidence · table

> 22.6

Context: 146.2

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-9)

AntaKori · copper

#### Identity

- Project: AntaKori
- Commodity: copper
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- Test Type: column leach
- Sample: AK-19-031 RTP2-VO-D High Sulphidation

#### Recovery

- Head Grade: 1.53
- Head Grade Unit: %

#### Lab

- Laboratory: SGS
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for copper.

Evidence · table

> 1.53

Context: 228.7

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-10)

AntaKori · gold

#### Identity

- Project: AntaKori
- Commodity: gold
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for gold.

Evidence · table

> 3.78

Context: 228.7

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-11)

AntaKori · silver

#### Identity

- Project: AntaKori
- Commodity: silver
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for silver.

Evidence · table

> 9.0

Context: 228.7

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-12)

AntaKori · copper

#### Identity

- Project: AntaKori
- Commodity: copper
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- Test Type: column leach
- Sample: AK-18-022 RTP2-VO-E High Sulphidation

#### Recovery

- Head Grade: 0.53
- Head Grade Unit: %

#### Lab

- Laboratory: SGS
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for copper.

Evidence · table

> 0.53

Context: 153.8

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-13)

AntaKori · gold

#### Identity

- Project: AntaKori
- Commodity: gold
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for gold.

Evidence · table

> 0.16

Context: 153.8

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-14)

AntaKori · silver

#### Identity

- Project: AntaKori
- Commodity: silver
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for silver.

Evidence · table

> 5.5

Context: 153.8

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-15)

AntaKori · copper

#### Identity

- Project: AntaKori
- Commodity: copper
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- Test Type: column leach
- Sample: AK-18-008 RTP2-PO-F Porphyry

#### Recovery

- Head Grade: 0.52
- Head Grade Unit: %

#### Lab

- Laboratory: SGS
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for copper.

Evidence · table

> 0.52

Context: 199.4

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-16)

AntaKori · gold

#### Identity

- Project: AntaKori
- Commodity: gold
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for gold.

Evidence · table

> 0.15

Context: 199.4

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-17)

AntaKori · silver

#### Identity

- Project: AntaKori
- Commodity: silver
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for silver.

Evidence · table

> 3.5

Context: 199.4

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-18)

AntaKori · copper

#### Identity

- Project: AntaKori
- Commodity: copper
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- Test Type: column leach
- Sample: AK-19-031 RTP2-SK-G Skarn

#### Recovery

- Head Grade: 0.77
- Head Grade Unit: %

#### Lab

- Laboratory: SGS
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for copper.

Evidence · table

> 0.77

Context: 129.5

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-19)

AntaKori · gold

#### Identity

- Project: AntaKori
- Commodity: gold
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for gold.

Evidence · table

> 0.23

Context: 129.5

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-20)

AntaKori · silver

#### Identity

- Project: AntaKori
- Commodity: silver
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for silver.

Evidence · table

> 3.4

Context: 129.5

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-21)

AntaKori · copper

#### Identity

- Project: AntaKori
- Commodity: copper
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- Test Type: column leach
- Sample: AK-19-028 RTP2-SK-H Skarn

#### Recovery

- Head Grade: 0.53
- Head Grade Unit: %

#### Lab

- Laboratory: SGS
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for copper.

Evidence · table

> 0.53

Context: 180.6

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-22)

AntaKori · gold

#### Identity

- Project: AntaKori
- Commodity: gold
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for gold.

Evidence · table

> 0.18

Context: 180.6

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

### column leach

[Link to this fact](https://atlas-extractions.minestarters.com/news/regulus-announces-delivery-of-phase-two-metallurgical-samples-to-nuton-llc-a-rio--87bb12f0-12e6-424e-92d5-411174055342#fact-metallurgical-facts-23)

AntaKori · silver

#### Identity

- Project: AntaKori
- Commodity: silver
- Region: peru
- Reported Region: Peru
- Ticker: REG

#### Test Work

- Program Status: preliminary
- 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
- Consultant: Transmin Metallurgical Consultants S.A.C.

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-11-07T00:00:00.000Z

Reasoning: Composite sample grade for silver.

Evidence · table

> 13.3

Context: 180.6

#### Tags used in scoring

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing\_route matches the heap\_leach signal

## 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.