TechGen Metals Confirms Polymetallic Mineralisation at Mt Boggola, Paraburdoo

TechGen Metals Confirms Multi-Element Mineralisation at Mt Boggola, Setting the Stage for Follow-Up Drilling

TechGen Metals Limited (ASX: TG1) has released final assay results from its inaugural reverse circulation and diamond drilling program at the Mt Boggola Project in Western Australia, confirming a fertile polymetallic mineral system carrying copper, gold, silver, lead, and zinc across multiple drill holes and depths. The TechGen Metals Mt Boggola drilling results at Paraburdoo, drawn from three holes totalling 1,109 metres, reveal both near-surface copper mineralisation and deeper high-grade veining, validating the project's prospectivity and opening the door to a targeted follow-up program.

A First Drill Program That Delivers on Multiple Fronts

The Mt Boggola Project sits within the Proterozoic-aged Ashburton and Edmund Basins, approximately 60 kilometres south of Paraburdoo, covering 458 km² across four exploration licences (E08/2996, E08/3269, E08/3728, and E08/3830), all 100% owned by TechGen. Prior to drilling, the project area had already demonstrated strong surface indicators including soil anomalies in copper, arsenic, gold, and lead, high-grade rock chip samples, and widespread malachite occurrences across four IP chargeability targets labelled MB1 through MB4.

The first drill program consisted of three holes — MBDD001, MBDD002, and MBDD003 — each designed as RC pre-collars with diamond core tails. All assay results have now been received. A total of 700 metres out of 809 metres of diamond core has been assayed, with the remainder still pending interpretation.

The headline results confirm the system is working across multiple commodities and at multiple depths.

Key Drill Results at a Glance

Beyond the headline numbers, all three holes returned multiple zones of anomalous polymetallic mineralisation above the 0.1% threshold for copper, lead, and zinc, pointing to a mineralised system that is both spatially broad and vertically persistent.

Notably, MBDD003 — the deepest hole at 501.4 metres — also intersected banded iron formation interbedded with siltstones and shales from 417 metres, which geologically explains the magnetic anomaly previously identified at the MB4 target. This, furthermore, clarifies the subsurface architecture and helps refine future targeting.

Understanding Polymetallic Sulphide Systems: An Educational Overview

For investors less familiar with exploration geology, the term "polymetallic sulphide system" is central to understanding why these results matter for TechGen's investment prospects.

A polymetallic sulphide system is an ore-forming environment where multiple metals — in this case copper, gold, silver, lead, and zinc — are deposited together, typically by hot mineralising fluids moving through fractures or faults in the rock. These metals precipitate out as sulphide minerals (such as galena for lead, chalcopyrite for copper) as the fluids cool or interact with surrounding rock chemistry.

Why Does This Matter for Investors?

Multiple metals means multiple potential revenue streams if a deposit is developed. The presence of near-surface oxidised copper (malachite) alongside deeper primary sulphides suggests the system has both accessible shallow zones and a deeper, potentially higher-grade root. Structurally controlled systems — where mineralisation follows fault or fracture pathways — can be systematically targeted with geophysics and directional drilling, improving the odds of expanding known mineralisation.

Key Technical Terms

• RC (Reverse Circulation) drilling: A fast, cost-effective drilling method that returns rock chips to surface; ideal for shallow sampling
• Diamond core: A slower but higher-quality drilling technique that recovers intact rock cylinders, enabling detailed geological and structural analysis
• IP (Induced Polarisation) geophysics: A subsurface imaging technique that detects sulphide minerals by measuring how the ground responds to electrical current
• Galena: The primary mineral form of lead; its presence in visible veins is a direct indicator of lead mineralisation
• Malachite: A green copper carbonate mineral that forms near the surface when copper sulphides oxidise; a visual indicator of copper mineralisation below

What the Results Tell Us About the System

The TechGen Metals Mt Boggola drilling results at Paraburdoo have built a clearer picture of how the project's mineral system is structured.

Near-surface copper mineralisation — Both MBDD001 and MBDD003 returned significant copper from shallow depths (9 metres and 22 metres respectively), coinciding with logged malachite occurrences. These are oxide-zone copper hits, meaning the copper has been chemically altered near the surface.

Deeper primary sulphide veining — The diamond core tails in MBDD002 and MBDD003 intersected galena-bearing veins with visible mineralisation at 144 metres and 216.67 metres depth, carrying lead grades of 1.06% and 5.68%, with the latter also hosting 49.7 g/t silver — a particularly high-grade intercept.

Broad anomalous halo — Multiple intervals of anomalous copper, lead, and zinc (above 0.1%) across all three holes indicate a large-scale mineralised envelope surrounding the higher-grade veins and intersections.

Structural control — The mineralisation style, vein-hosted sulphides associated with fluid flow pathways, is consistent with a structurally controlled system. An independent geological review is now underway to refine the structural interpretation, which will directly inform drill targeting for the next phase.

Managing Director Ashley Hood commented:
"The results are consistent with a polymetallic mineral system (Cu–Au–Ag–Pb–Zn) hosted in primary sulphides, with mineralisation observed in multiple styles and at different levels within the broader system. When integrated with historical drilling data, the results indicate a fertile mineralised system at Mt Boggola, characterised by both near-surface oxidation and deeper primary sulphide mineralisation."

The Sadlers Prospect: A Compelling Adjacent Target

One of the more significant contextual details in the announcement is the reference to historical drilling by Newcrest at the adjacent Sadlers Prospect, which returned 9m @ 1.86% Cu from 47m — sitting along strike from MBDD003's 20m @ 1.14% Cu intersection.

This alignment is strategically important. When two separate drill programs — one historical, one current — return comparable copper grades along the same structural corridor, it suggests continuity in the mineralised system. Consequently, TechGen has flagged the Sadlers Prospect as a follow-up priority, alongside further testing of the copper zones identified in MBDD001 and MBDD003.

What Comes Next: Follow-Up Work in Focus

TechGen has outlined a clear pathway for the next phase of exploration at Mt Boggola:

• Independent geological review is underway to refine the structural interpretation of the mineralised system and identify optimal drill orientations
• Targeted geophysics is planned to better resolve subsurface features ahead of the next drill program
• Follow-up RC drilling is intended to test the copper mineralisation intersected in MBDD003 down dip and along strike, extending the known footprint
• Sadlers Prospect will be incorporated into follow-up targeting, given the strike alignment with the MB4 copper intersection
• Remaining diamond core (approximately 109 metres yet to be assayed) will be interpreted as results are received

The project also has three additional IP chargeability targets — MB2 and MB3 — that have not yet been drill-tested, representing further exploration upside within the existing licence area.

The Investment Case for TechGen Metals

The TechGen Metals Mt Boggola drilling results at Paraburdoo support several pillars of TechGen's investment thesis.

Confirmed polymetallic system with multiple commodities — The presence of copper, gold, silver, lead, and zinc across the same drill program demonstrates that Mt Boggola is not a single-metal story. Multi-commodity systems provide flexibility in how mineralisation is valued and developed.

Near-surface copper with immediate follow-up potential — Copper mineralisation starting from 9 metres and 22 metres depth is an encouraging feature from an economics perspective. Shallow targets are generally lower-cost to drill and, ultimately, to mine. The alignment with Newcrest's historical copper results at Sadlers adds considerable weight to the strike-extent of this corridor.

High-grade silver underpins deeper system value — The 49.7 g/t silver intersection, while narrow at 0.18 metres, sits within a broader zone of anomalous mineralisation at depth in MBDD003. High-grade silver in vein systems often signals proximity to more significant mineralisation in the surrounding rock.

Large, underexplored licence area — At 458 km² with four IP targets identified and only three holes drilled in the first program, the project remains at an early stage relative to its scale. MB2 and MB3 targets are yet to be tested, and the broader licence area retains exploration upside that has not yet been systematically drilled.

100% ownership and clear operational control — TechGen holds all four exploration licences outright, without joint venture dilution or partner approvals required to advance the project.

Why Investors Should Keep Mt Boggola on Their Radar

TechGen Metals has used its first drill program at Mt Boggola to do exactly what a well-designed exploration campaign should do: confirm the existence of a mineralised system, define its character, and generate a prioritised set of follow-up targets. The results have delivered on each of those objectives.

The combination of broad near-surface copper, high-grade deeper veining, a large and largely untested licence area, and an adjacent historical copper intersection in the Sadlers Prospect creates a well-layered exploration story with multiple catalysts ahead. The pending independent geological review and planned geophysics will, however, be the most important milestones to watch, as these will shape the targeting strategy for the next drill program.

Key Takeaway:
TechGen Metals has confirmed a fertile polymetallic mineralised system at Mt Boggola, with near-surface copper intersections up to 20m @ 1.14% Cu and high-grade deeper silver-lead veining reaching 5.68% Pb and 49.7 g/t Ag. With structural interpretation underway, additional targets untested, and a historical copper corridor at Sadlers Prospect in the follow-up queue, the project is entering a more targeted phase of exploration. Investors should monitor the upcoming geological review and next-phase drill program announcements closely.

Ready to Dig Deeper Into TechGen Metals' Mt Boggola Project?

With a confirmed polymetallic system, near-surface copper intersections, high-grade silver-lead veining at depth, and multiple untested targets still to come, TechGen Metals (ASX: TG1) is entering an increasingly compelling phase of exploration at Mt Boggola. If you're an investor looking to understand the full scope of the project, the follow-up drilling pipeline, and TechGen's broader portfolio, head to techgenmetals.com.au to explore the latest announcements and project updates directly from the company.