# London Wall Due Diligence: 8.87 g/t Sample Metallurgical Test Results and Identification of Large-Scale Potential Gold System

Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/london-wall-due-diligence-8-87-g-t-sample-metallurgical-test-results-and-identif--3a786f8b-5a89-47a5-a7f9-7361c702d37c

Original source: https://money.tmx.com/en/quote/PNN/news/6096798983673667/london-wall-due-diligence-8-87-g-t-sample-metallurgical-test-results-and-identif

Publisher: tmx

Original announcement: 2025-05-15T22:05:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- Company: Pambili Natural Resources Corporation

- Ticker: PNN

- Exchange: TSX

- Region: Zimbabwe

- Primary commodity: Gold

- Secondary commodities: Silver

- Document categories: Resource update, Metallurgy

- Extracted: 2026-09-14 19:09:26 UTC

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas summary

Pambili Natural Resources has completed due diligence at the London Wall gold project in Zimbabwe, reporting high-grade metallurgical test results of 8.87 g/t Au with 84.6% total recovery. The company also identified historical mine plan data for the East Shaft suggesting near-term production potential, though these figures are non-compliant and require modern verification.

Reasoning: The release reports promising metallurgical results from a high-grade sample and identifies significant historical resource potential, though both are subject to verification due to the non-representative nature of the sample and the non-compliant status of the historical data.

- Positive factor: High-grade metallurgical results \(8.87 g/t Au\)

- Positive factor: Strong gravity recovery \(68%\)

- Positive factor: Identification of large-scale potential strike \(3.3km\)

- Positive factor: Near-term production potential at East Shaft

- Negative factor: Metallurgical sample is non-representative \(hand-sorted\)

- Negative factor: Resource estimate is non-code compliant/historical

- Negative factor: Underground access requires rehabilitation

Facts used in scoring: 8

## Classification and evidence

**QA/QC Disclosed**

Polarity: positive

Story-specific tag

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: The release mentions metallurgical testing and refers to historical data, but does not explicitly detail specific QA/QC protocols like blanks or standards for the new test.

Evidence · text

> Metallurgical testing on 18 kg of ore

**Inferred Resource**

Polarity: negative

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

Why it applies: The historical resource estimate is explicitly described as non-code compliant.

Evidence · text

> The Historic Mine Plan contained a non-compliant resource estimate

**Mill Route**

Polarity: neutral

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

Why it applies: the document describes a mill\_cil route \("CIL"\)

**Gravity Route**

Polarity: neutral

Definition: Gravity separation forms a material part of the flowsheet.

Why it applies: the document describes a gravity route \("gravity"\)

**Single Domain Only**

Polarity: negative

Definition: Testing limited to one composite or domain — representativeness not established.

Why it applies: only one composite was tested

## Extracted facts

Stored fact records: 8. Some facts used in scoring do not have a stored record.

## Resource Estimates (5)

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/london-wall-due-diligence-8-87-g-t-sample-metallurgical-test-results-and-identif--3a786f8b-5a89-47a5-a7f9-7361c702d37c#fact-resource-facts-3)

gold

Historical result

Needs review: historical\_restatement

#### Identity

- Commodity: gold
- Region: zimbabwe
- Reported Region: Zimbabwe
- Ticker: PNN

#### Resource scope

- Estimate type: resource
- Resource group id: resource:207becd58766d828b4ad
- Deposit or zone: East Shaft

#### Resource Data

- Category: indicated
- Tonnes: 4050
- Grade: 3
- Grade Unit: g/t
- Contained Metal: 390.63
- Contained Unit: oz

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2022-11-20T00:00:00.000Z

#### Dates

- Event date: 2025-05-15T00:00:00.000Z

Reasoning: This is a restatement of a 2022 non-compliant historic mine plan.

- Positive factor: Identified near-term production target

- Negative factor: Non-code compliant estimate

Evidence · table

> 3.00

Context: 4,050

#### Tags used in scoring

**Indicated Resource**

Polarity: positive

Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.5 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/london-wall-due-diligence-8-87-g-t-sample-metallurgical-test-results-and-identif--3a786f8b-5a89-47a5-a7f9-7361c702d37c#fact-resource-facts-4)

gold

Historical result

Needs review: historical\_restatement

#### Identity

- Commodity: gold
- Region: zimbabwe
- Reported Region: Zimbabwe
- Ticker: PNN

#### Resource scope

- Estimate type: resource
- Resource group id: resource:8deb497cff61e2d7cd60
- Deposit or zone: East Shaft

#### Resource Data

- Category: indicated
- Tonnes: 5103
- Grade: 3
- Grade Unit: g/t
- Contained Metal: 492.2
- Contained Unit: oz

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2022-11-20T00:00:00.000Z

#### Dates

- Event date: 2025-05-15T00:00:00.000Z

Reasoning: Historical restatement of non-compliant data.

- Negative factor: Non-code compliant estimate

Evidence · table

> 3.00

Context: 5,103

#### Tags used in scoring

**Indicated Resource**

Polarity: positive

Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.5 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/london-wall-due-diligence-8-87-g-t-sample-metallurgical-test-results-and-identif--3a786f8b-5a89-47a5-a7f9-7361c702d37c#fact-resource-facts-5)

gold

Historical result

Needs review: historical\_restatement

#### Identity

- Commodity: gold
- Region: zimbabwe
- Reported Region: Zimbabwe
- Ticker: PNN

#### Resource scope

- Estimate type: resource
- Resource group id: resource:ff14c7e71433ac6c8a9f
- Deposit or zone: East Shaft

#### Resource Data

- Category: indicated
- Tonnes: 3240
- Grade: 3
- Grade Unit: g/t
- Contained Metal: 312.51
- Contained Unit: oz

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2022-11-20T00:00:00.000Z

#### Dates

- Event date: 2025-05-15T00:00:00.000Z

Reasoning: Historical restatement of non-compliant data.

- Negative factor: Non-code compliant estimate

Evidence · table

> 3.00

Context: 3,240

#### Tags used in scoring

**Indicated Resource**

Polarity: positive

Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.5 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/london-wall-due-diligence-8-87-g-t-sample-metallurgical-test-results-and-identif--3a786f8b-5a89-47a5-a7f9-7361c702d37c#fact-resource-facts-6)

gold

Historical result

Needs review: historical\_restatement

#### Identity

- Commodity: gold
- Region: zimbabwe
- Reported Region: Zimbabwe
- Ticker: PNN

#### Resource scope

- Estimate type: resource
- Resource group id: resource:b0ed633d984d217b1ce4
- Deposit or zone: East Shaft

#### Resource Data

- Category: indicated
- Tonnes: 2025
- Grade: 3
- Grade Unit: g/t
- Contained Metal: 195.32
- Contained Unit: oz

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2022-11-20T00:00:00.000Z

#### Dates

- Event date: 2025-05-15T00:00:00.000Z

Reasoning: Historical restatement of non-compliant data.

- Negative factor: Non-code compliant estimate

Evidence · table

> 3.00

Context: 2,025

#### Tags used in scoring

**Indicated Resource**

Polarity: positive

Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.5 years before this release

### indicated

[Link to this fact](https://atlas-extractions.minestarters.com/news/london-wall-due-diligence-8-87-g-t-sample-metallurgical-test-results-and-identif--3a786f8b-5a89-47a5-a7f9-7361c702d37c#fact-resource-facts-7)

gold

Historical result

Needs review: historical\_restatement

#### Identity

- Commodity: gold
- Region: zimbabwe
- Reported Region: Zimbabwe
- Ticker: PNN

#### Resource scope

- Estimate type: resource
- Resource group id: resource:18f766e16298707f533a
- Deposit or zone: East Shaft

#### Resource Data

- Category: indicated
- Tonnes: 1620
- Grade: 3
- Grade Unit: g/t
- Contained Metal: 156.25
- Contained Unit: oz

#### Review

- Needs Review: Yes
- Review Reason: historical\_restatement
- Historical: Yes
- Historical Source Date: 2022-11-20T00:00:00.000Z

#### Dates

- Event date: 2025-05-15T00:00:00.000Z

Reasoning: Historical restatement of non-compliant data.

- Negative factor: Non-code compliant estimate

Evidence · table

> 3.00

Context: 1,620

#### Tags used in scoring

**Indicated Resource**

Polarity: positive

Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

**Cut-off Undisclosed**

Polarity: negative

Definition: High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff\_grade was stated

**Stale Estimate**

Polarity: negative

Definition: Effective date is &gt;2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 2.5 years before this release

## Metallurgical Results (3)

### Fact 1

[Link to this fact](https://atlas-extractions.minestarters.com/news/london-wall-due-diligence-8-87-g-t-sample-metallurgical-test-results-and-identif--3a786f8b-5a89-47a5-a7f9-7361c702d37c#fact-metallurgical-facts-0)

gold

#### Identity

- Commodity: gold
- Region: zimbabwe
- Reported Region: Zimbabwe
- Ticker: PNN

#### Test Work

- Sample: 18 kg of ore recovered from an illegal miner’s stock pile at West Shaft

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-05-15T00:00:00.000Z

Reasoning: The grade is high but the sample is explicitly noted as hand-sorted and non-representative of run-of-mine ore.

- Positive factor: High grade intercept

- Negative factor: Non-representative hand-sorted sample

Evidence · text

> average gold assay results of 8.87 g/t

### Fact 2

[Link to this fact](https://atlas-extractions.minestarters.com/news/london-wall-due-diligence-8-87-g-t-sample-metallurgical-test-results-and-identif--3a786f8b-5a89-47a5-a7f9-7361c702d37c#fact-metallurgical-facts-1)

gold

#### Identity

- Commodity: gold
- Region: zimbabwe
- Reported Region: Zimbabwe
- Ticker: PNN

#### Test Work

- Processing Route: Carbon In Leach \(CIL\)
- Sample: 18 kg of ore recovered from an illegal miner’s stock pile at West Shaft

#### Recovery

- Recovery: 84.6 %
- Recovery Basis: actual\_test

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-05-15T00:00:00.000Z

Reasoning: 84.6% recovery in a CIL circuit is a positive result, though based on a non-representative sample.

- Positive factor: Solid recovery for CIL

Evidence · text

> recovery rate of 84.6%

#### Tags used in scoring

**Mill Route**

Polarity: neutral

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

Why it applies: processing\_route matches the mill\_cil signal

### Fact 3

[Link to this fact](https://atlas-extractions.minestarters.com/news/london-wall-due-diligence-8-87-g-t-sample-metallurgical-test-results-and-identif--3a786f8b-5a89-47a5-a7f9-7361c702d37c#fact-metallurgical-facts-2)

gold

#### Identity

- Commodity: gold
- Region: zimbabwe
- Reported Region: Zimbabwe
- Ticker: PNN

#### Test Work

- Processing Route: gravity
- Sample: 18 kg of ore recovered from an illegal miner’s stock pile at West Shaft

#### Recovery

- Recovery: 68 %
- Recovery Basis: actual\_test

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2025-05-15T00:00:00.000Z

Reasoning: 68% recovery via gravity is a strong indicator of free gold presence.

- Positive factor: High gravity recovery

Evidence · text

> 68% gold is recovered by GRG

#### Tags used in scoring

**Gravity Route**

Polarity: neutral

Definition: Gravity separation forms a material part of the flowsheet.

Why it applies: processing\_route matches the gravity signal

**Low Recovery**

Polarity: negative

Definition: Recovery below the weak band for the commodity and processing route.

Why it applies: 68% is below the weak band \(80%\)

## 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.
