# Marifil Reports a Positive Opening NI 43-101 Resource at San Roque

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/marifil-reports-a-positive-opening-ni-43-101-resource-at-san-roque--de0b38e5-b532-4ce9-9dfa-a038d62ba24e

Original source: https://money.tmx.com/en/quote/ICON/news/8738386525950934/marifil-reports-a-positive-opening-ni-43-101-resource-at-san-roque

Publisher: tmx

Original announcement: 2019-07-22T11:30:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Marifil Mines Limited

- Ticker: MFM

- Exchange: TSX

- Region: Rio Negro Province, Argentina

- Primary commodity: Gold

- Secondary commodities: Zinc, Silver, Indium, Lead

- Document categories: Resource update

- Extracted: 2026-09-12 07:58:16 UTC

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas summary

Marifil Mines Limited has announced its first NI 43-101 mineral resource estimate for the San Roque property in Argentina. The Inferred resource totals approximately 32.9 Mt at 1.42 g/t AuEq, containing significant gold, zinc, silver, indium, and lead.

Reasoning: The announcement reports a large maiden polymetallic Inferred resource, but the lack of Measured/Indicated categories and metallurgical testing limits geological and economic confidence.

- Positive factor: Maiden resource establishment

- Positive factor: Large polymetallic scale

- Positive factor: Significant indium and silver credits

- Positive factor: NI 43-101 compliant

- Negative factor: 100% Inferred category

- Negative factor: No metallurgical recovery test results reported

- Negative factor: Conceptual pit shells used

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 10

## Classification and evidence

No classification tags are available.

## Extracted facts

Stored fact records: 10. Some facts used in scoring do not have a stored record.

## Resource Estimates (10)

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/marifil-reports-a-positive-opening-ni-43-101-resource-at-san-roque--de0b38e5-b532-4ce9-9dfa-a038d62ba24e#fact-resource-facts-0)

San Roque · gold

#### Identity

- Project: San Roque
- Commodity: gold
- Region: argentina
- Reported Region: Rio Negro Province, Argentina
- Ticker: MFM

#### Resource scope

- Estimate type: resource
- Effective date: 2019-07-22T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Cameron Norton
- Resource group id: resource:3188c507170b33678e0b
- Deposit or zone: Oxide
- Mining method: combined
- Material type: oxide

#### Resource Data

- Category: inferred
- Tonnes: 7121500
- Grade: 0.72
- Grade Unit: g/t
- Cutoff Grade: 0.5
- Cutoff Unit: g/t AuEq

#### Prior Estimate

- Resource Date: 2019-07-22

#### Metal Equivalent

- Metal Eq. Grade: 1.29
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2019-07-22T00:00:00.000Z

Reasoning: Oxide gold grade is moderate for an epithermal system.

- Positive factor: Part of maiden resource

- Negative factor: Inferred only

Evidence · text

No evidence quote provided.

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: 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: qp\_signed is true

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: reporting\_standards includes ni\_43\_101

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/marifil-reports-a-positive-opening-ni-43-101-resource-at-san-roque--de0b38e5-b532-4ce9-9dfa-a038d62ba24e#fact-resource-facts-1)

San Roque · silver

#### Identity

- Project: San Roque
- Commodity: silver
- Region: argentina
- Reported Region: Rio Negro Province, Argentina
- Ticker: MFM

#### Resource scope

- Estimate type: resource
- Effective date: 2019-07-22T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Cameron Norton
- Resource group id: resource:3188c507170b33678e0b
- Deposit or zone: Oxide
- Mining method: combined
- Material type: oxide

#### Resource Data

- Category: inferred
- Tonnes: 7121500
- Grade: 8.78
- Grade Unit: g/t
- Cutoff Grade: 0.5
- Cutoff Unit: g/t AuEq

#### Prior Estimate

- Resource Date: 2019-07-22

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2019-07-22T00:00:00.000Z

Reasoning: Silver grade component of the oxide resource.

Evidence · text

No evidence quote provided.

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: 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: qp\_signed is true

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: reporting\_standards includes ni\_43\_101

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/marifil-reports-a-positive-opening-ni-43-101-resource-at-san-roque--de0b38e5-b532-4ce9-9dfa-a038d62ba24e#fact-resource-facts-2)

San Roque · lead

#### Identity

- Project: San Roque
- Commodity: lead
- Region: argentina
- Reported Region: Rio Negro Province, Argentina
- Ticker: MFM

#### Resource scope

- Estimate type: resource
- Effective date: 2019-07-22T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Cameron Norton
- Resource group id: resource:3188c507170b33678e0b
- Deposit or zone: Oxide
- Mining method: combined
- Material type: oxide

#### Resource Data

- Category: inferred
- Tonnes: 7121500
- Grade: 0.28
- Grade Unit: %
- Cutoff Grade: 0.5
- Cutoff Unit: g/t AuEq

#### Prior Estimate

- Resource Date: 2019-07-22

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2019-07-22T00:00:00.000Z

Reasoning: Lead grade component of the oxide resource.

Evidence · text

No evidence quote provided.

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: 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: qp\_signed is true

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: reporting\_standards includes ni\_43\_101

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/marifil-reports-a-positive-opening-ni-43-101-resource-at-san-roque--de0b38e5-b532-4ce9-9dfa-a038d62ba24e#fact-resource-facts-3)

San Roque · zinc

#### Identity

- Project: San Roque
- Commodity: zinc
- Region: argentina
- Reported Region: Rio Negro Province, Argentina
- Ticker: MFM

#### Resource scope

- Estimate type: resource
- Effective date: 2019-07-22T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Cameron Norton
- Resource group id: resource:3188c507170b33678e0b
- Deposit or zone: Oxide
- Mining method: combined
- Material type: oxide

#### Resource Data

- Category: inferred
- Tonnes: 7121500
- Grade: 0.37
- Grade Unit: %
- Cutoff Grade: 0.5
- Cutoff Unit: g/t AuEq

#### Prior Estimate

- Resource Date: 2019-07-22

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2019-07-22T00:00:00.000Z

Reasoning: Zinc grade component of the oxide resource.

Evidence · text

No evidence quote provided.

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: 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: qp\_signed is true

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: reporting\_standards includes ni\_43\_101

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/marifil-reports-a-positive-opening-ni-43-101-resource-at-san-roque--de0b38e5-b532-4ce9-9dfa-a038d62ba24e#fact-resource-facts-4)

San Roque · indium

#### Identity

- Project: San Roque
- Commodity: indium
- Region: argentina
- Reported Region: Rio Negro Province, Argentina
- Ticker: MFM

#### Resource scope

- Estimate type: resource
- Effective date: 2019-07-22T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Cameron Norton
- Resource group id: resource:3188c507170b33678e0b
- Deposit or zone: Oxide
- Mining method: combined
- Material type: oxide

#### Resource Data

- Category: inferred
- Tonnes: 7121500
- Grade: 7.7
- Grade Unit: g/t
- Cutoff Grade: 0.5
- Cutoff Unit: g/t AuEq

#### Prior Estimate

- Resource Date: 2019-07-22

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2019-07-22T00:00:00.000Z

Reasoning: Indium is a significant byproduct.

- Positive factor: High indium grade

Evidence · text

No evidence quote provided.

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: 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: qp\_signed is true

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: reporting\_standards includes ni\_43\_101

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/marifil-reports-a-positive-opening-ni-43-101-resource-at-san-roque--de0b38e5-b532-4ce9-9dfa-a038d62ba24e#fact-resource-facts-5)

San Roque · gold

#### Identity

- Project: San Roque
- Commodity: gold
- Region: argentina
- Reported Region: Rio Negro Province, Argentina
- Ticker: MFM

#### Resource scope

- Estimate type: resource
- Effective date: 2019-07-22T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Cameron Norton
- Resource group id: resource:67d713eb3babb4b9794a
- Deposit or zone: Sulphide
- Mining method: combined
- Material type: sulphide

#### Resource Data

- Category: inferred
- Tonnes: 25769900
- Grade: 0.39
- Grade Unit: g/t
- Cutoff Grade: 0.6
- Cutoff Unit: g/t AuEq

#### Prior Estimate

- Resource Date: 2019-07-22

#### Metal Equivalent

- Metal Eq. Grade: 1.45
- Metal Eq. Unit: g/t AuEq
- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2019-07-22T00:00:00.000Z

Reasoning: Sulphide gold grade component.

Evidence · text

No evidence quote provided.

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: 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: qp\_signed is true

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: reporting\_standards includes ni\_43\_101

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/marifil-reports-a-positive-opening-ni-43-101-resource-at-san-roque--de0b38e5-b532-4ce9-9dfa-a038d62ba24e#fact-resource-facts-6)

San Roque · silver

#### Identity

- Project: San Roque
- Commodity: silver
- Region: argentina
- Reported Region: Rio Negro Province, Argentina
- Ticker: MFM

#### Resource scope

- Estimate type: resource
- Effective date: 2019-07-22T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Cameron Norton
- Resource group id: resource:67d713eb3babb4b9794a
- Deposit or zone: Sulphide
- Mining method: combined
- Material type: sulphide

#### Resource Data

- Category: inferred
- Tonnes: 25769900
- Grade: 12.99
- Grade Unit: g/t
- Cutoff Grade: 0.6
- Cutoff Unit: g/t AuEq

#### Prior Estimate

- Resource Date: 2019-07-22

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2019-07-22T00:00:00.000Z

Reasoning: Silver grade component of the sulphide resource.

Evidence · text

No evidence quote provided.

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: 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: qp\_signed is true

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: reporting\_standards includes ni\_43\_101

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/marifil-reports-a-positive-opening-ni-43-101-resource-at-san-roque--de0b38e5-b532-4ce9-9dfa-a038d62ba24e#fact-resource-facts-7)

San Roque · lead

#### Identity

- Project: San Roque
- Commodity: lead
- Region: argentina
- Reported Region: Rio Negro Province, Argentina
- Ticker: MFM

#### Resource scope

- Estimate type: resource
- Effective date: 2019-07-22T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Cameron Norton
- Resource group id: resource:67d713eb3babb4b9794a
- Deposit or zone: Sulphide
- Mining method: combined
- Material type: sulphide

#### Resource Data

- Category: inferred
- Tonnes: 25769900
- Grade: 0.41
- Grade Unit: %
- Cutoff Grade: 0.6
- Cutoff Unit: g/t AuEq

#### Prior Estimate

- Resource Date: 2019-07-22

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2019-07-22T00:00:00.000Z

Reasoning: Lead grade component of the sulphide resource.

Evidence · text

No evidence quote provided.

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: 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: qp\_signed is true

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: reporting\_standards includes ni\_43\_101

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/marifil-reports-a-positive-opening-ni-43-101-resource-at-san-roque--de0b38e5-b532-4ce9-9dfa-a038d62ba24e#fact-resource-facts-8)

San Roque · zinc

#### Identity

- Project: San Roque
- Commodity: zinc
- Region: argentina
- Reported Region: Rio Negro Province, Argentina
- Ticker: MFM

#### Resource scope

- Estimate type: resource
- Effective date: 2019-07-22T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Cameron Norton
- Resource group id: resource:67d713eb3babb4b9794a
- Deposit or zone: Sulphide
- Mining method: combined
- Material type: sulphide

#### Resource Data

- Category: inferred
- Tonnes: 25769900
- Grade: 0.89
- Grade Unit: %
- Cutoff Grade: 0.6
- Cutoff Unit: g/t AuEq

#### Prior Estimate

- Resource Date: 2019-07-22

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2019-07-22T00:00:00.000Z

Reasoning: Zinc grade component of the sulphide resource.

Evidence · text

No evidence quote provided.

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: 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: qp\_signed is true

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: reporting\_standards includes ni\_43\_101

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

### inferred

[Link to this fact](https://atlas-extractions.minestarters.com/news/marifil-reports-a-positive-opening-ni-43-101-resource-at-san-roque--de0b38e5-b532-4ce9-9dfa-a038d62ba24e#fact-resource-facts-9)

San Roque · indium

#### Identity

- Project: San Roque
- Commodity: indium
- Region: argentina
- Reported Region: Rio Negro Province, Argentina
- Ticker: MFM

#### Resource scope

- Estimate type: resource
- Effective date: 2019-07-22T00:00:00.000Z
- Reporting standards: ni\_43\_101
- QP Signed: Yes
- Qualified person names: Cameron Norton
- Resource group id: resource:67d713eb3babb4b9794a
- Deposit or zone: Sulphide
- Mining method: combined
- Material type: sulphide

#### Resource Data

- Category: inferred
- Tonnes: 25769900
- Grade: 13.06
- Grade Unit: g/t
- Cutoff Grade: 0.6
- Cutoff Unit: g/t AuEq

#### Prior Estimate

- Resource Date: 2019-07-22

#### Metal Equivalent

- Assumptions Disclosed: Yes

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2019-07-22T00:00:00.000Z

Reasoning: Indium is a significant byproduct.

- Positive factor: High indium grade

Evidence · text

No evidence quote provided.

#### Tags used in scoring

**Inferred Resource**

Polarity: negative

Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff\_grade is stated

**QP/CP Signed**

Polarity: positive

Definition: 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: qp\_signed is true

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: reporting\_standards includes ni\_43\_101

**No Contained Metal**

Polarity: negative

Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained\_metal was not reported

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

## 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.
