Great Western Mining Corporation plc Announces Completion of Drilling: Defender Tungsten Project
Original announcement by accesswire on
- Company
- Great Western Mining Corporation plc
- Ticker
- GWMO
- Exchange
- Unavailable
- Region
- Nevada, USA
- Primary commodity
- Tungsten
- Secondary commodities
- None reported
- Document categories
- Drill results
- Extracted
- 2026-09-23 07:05:52 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Great Western Mining Corporation plc has completed its first reverse circulation drilling campaign at the Defender Tungsten Project in Nevada, USA. The program, comprising 23 holes totaling 2,590 meters, visually confirmed multiple broad intervals of scheelite-bearing skarn, validating the company's geological model. Assay results are pending and will be used to inform a maiden Mineral Resource Estimate.
Reasoning: The completion of the first drilling campaign at the Defender Tungsten Project is a positive step, with visual observations confirming broad zones of scheelite-bearing skarn. However, the absence of assay results means the economic significance of these intercepts cannot yet be determined, leading to moderate materiality and confidence.
Positive factors
- Visual confirmation of scheelite-bearing skarn across multiple broad intervals validates the geological model.
- The drilling campaign is the first for the project and is intended to inform a maiden Mineral Resource Estimate.
- Comprehensive QA/QC procedures are disclosed, including the use of an accredited laboratory and sign-off by Competent Persons under JORC 2012.
Negative factors
- No assay results are reported in this announcement, limiting the quantitative assessment of mineralization.
- Drill sample recovery data has not been fully assessed, and potential biases due to preferential loss/gain of material have not been checked.
- The reported intervals are apparent widths only, with no true width stated.
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 3
Classification and evidence
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release includes extensive QA/QC disclosure in a JORC table, mentioning an accredited laboratory, Competent Person sign-off, and methods like standards, blanks, and duplicates.
Evidence · table
“AAL is an accredited laboratory. Standard four acid digest and multi-element ICP analysis.”
Context: Sampling techniques
JORC Compliantpositive · Story-specific tag
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: The technical information is based on and verified by Competent Persons as defined in the JORC Code 2012 edition.
Evidence · text
“qualify as a Competent Person as defined in the JORC Code 2012 edition of the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves.”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: The reported intervals are given as downhole lengths (e.g., '100 ft (31 m) of continuous skarn') with no true width or drill orientation provided for these specific visual intercepts.
Evidence · text
“Drilling intersected 100 ft (31 m) of continuous skarn from 50 ft (15 m) to 150 ft (46 m) depth”
No Assay Resultsnegative · Story-specific tag
No canonical definition is currently available.
Why it applies: The document explicitly states that 'Analysis is pending and no exploration results are being reported herein,' indicating that only visual observations are available, not quantitative grade data.
Evidence · text
“Analysis is pending and no exploration results are being reported herein.”
Maiden Resourceneutral · Story-specific tag
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component.
Why it applies: The drilling results are intended to 'inform a maiden Mineral Resource Estimate', indicating this is the first formal MRE for the project.
Evidence · text
“inform a maiden Mineral Resource Estimate ("MRE").”
Extracted facts
Stored fact records: 3. Some facts used in scoring do not have a stored record.
Drill Results (3)
Fact 1Defender · tungstenIntercept: 31 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Defender
- Commodity
- tungsten
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- GWMO
Geometry
- Intercept
- 31 m
- From
- 15 m
- To
- 46 m
- Intercept Depth
- 15 m
Classification
- Deposit Type
- skarn
- Program
- exploration
- Sample Type
- drill
- Group ID
- Defender:15-46
Location
- Location
- Defender Hill
- CRS
- NAD83 / UTM zone 11N
- EPSG
- 26911
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories, Nevada
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-23T00:00:00.000Z
Reasoning: A 31m visual intercept of scheelite-bearing skarn at Defender Hill is encouraging for exploration, but the lack of assay results and true width limits its immediate impact.
Positive factors
- Visual confirmation of scheelite in a broad skarn interval validates the geological model.
Negative factors
- No assay results are available for quantitative assessment.
- The interval is an apparent width only, with no true width stated.
Evidence · text
“Drilling intersected 100 ft (31 m) of continuous skarn from 50 ft (15 m) to 150 ft (46 m) depth, with visible scheelite identified throughout the interval.”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Fact 2Defender · tungstenIntercept: 38 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Defender
- Commodity
- tungsten
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- GWMO
Geometry
- Intercept
- 38 m
- From
- 0 m
- To
- 38 m
- Intercept Depth
- 0 m
Classification
- Deposit Type
- skarn
- Program
- exploration
- Sample Type
- drill
- Group ID
- Defender:0-38
Location
- Location
- Dough God Mine
- CRS
- NAD83 / UTM zone 11N
- EPSG
- 26911
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories, Nevada
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-23T00:00:00.000Z
Reasoning: A 38m visual intercept of abundant scheelite-bearing skarn from surface at Dough God Mine is a strong positive for exploration, but the lack of assay results and true width limits its immediate impact.
Positive factors
- Visual confirmation of abundant scheelite from surface across a broad skarn interval is highly encouraging.
- Near-surface mineralization suggests potential for open-pit mining.
Negative factors
- No assay results are available for quantitative assessment.
- The interval is an apparent width only, with no true width stated.
Evidence · text
“Approximately 125 ft (38 m) of continuous skarn was intersected from surface to 125 ft (38 m) depth, with abundant visible scheelite observed across the full interval”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Fact 3Defender · tungstenIntercept: 9 mNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Defender
- Commodity
- tungsten
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- GWMO
Geometry
- Intercept
- 9 m
- From
- 35 m
- To
- 44 m
- Intercept Depth
- 35 m
Classification
- Deposit Type
- skarn
- Program
- exploration
- Sample Type
- drill
- Group ID
- Defender:35-44
Location
- Location
- Pine Crow Mine
- CRS
- NAD83 / UTM zone 11N
- EPSG
- 26911
- Loc. Confidence
- medium
- Loc. Source
- document
QA/QC
- Laboratory
- American Assay Laboratories, Nevada
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2026-09-23T00:00:00.000Z
Reasoning: A 9m visual intercept of scheelite-bearing skarn at Pine Crow Mine is positive for exploration, but its narrower width and lack of assay results make it less material than other intercepts.
Positive factors
- Visual confirmation of scheelite in a skarn interval supports mineralization continuity.
Negative factors
- No assay results are available for quantitative assessment.
- The interval is an apparent width only, with no true width stated.
- The interval is narrower compared to other targets.
Evidence · text
“A 30 ft (9 m) interval of continuous skarn was intersected from 115 ft (35 m) to 145 ft (44 m) depth, exhibiting intense scheelite UV fluorescence over narrower intervals”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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.