Highlights
- RC drilling has commenced: 2,300m program underway to test three (3) highest priority Pipe Targets at the Byrock Project, NSW
- Drilling is testing concealed porphyry-style targets beneath shallow cover within Altitude’s interpreted north-west segment of the Macquarie Arc
- The program is being conducted in collaboration with Altitude’s project partner Nimrod Resources Ltd, under the Byrock Project Earn-in and JV agreement
- Drilling is expected to be completed in June (weather dependent)
- The Company intends to report laboratory results
“With drilling now commenced at Byrock, Altitude is moving from target definition to drill testing of concealed porphyry-style systems beneath shallow cover on the Company’s interpreted extension of the Macquarie Arc. The program is designed to test pipe-like geophysical targets in a disciplined, cost-effective manner, and we look forward to updating shareholders on the results
Managing Director Duncan Chessell
Learn more about Copper Gold Porphyry with the Altitude Minerals Podcast
In the latest episode of the Altitude Minerals Podcast, Managing Director Duncan Chessell is in conversation with world-leading geochemist and in-house porphyry expert Professor Bruce Schaefer to explore these elusive and valuable mineral systems, which account for roughly three-quarters of the world’s copper and a fifth of its gold.
This episode unpacks how they form and the geophysical and geochemical tools explorers use to find them. The conversation also takes a closer look at the Byrock and Theseus projects in NSW and what the next round of drilling aims to reveal.
Location map showing Altitudes Pipe Targets, T55 Target and tenements relative to Inflection Resources
Latest Investor Updates

Altitude Minerals Podcast
EP02: Copper Gold Porphyry
In the latest episode of the Altitude Minerals Podcast, Managing Director Duncan Chessell is in conversation with world-leading geochemist and in-house porphyry expert Professor Bruce Schaefer to explore these elusive and valuable mineral systems, which account for roughly three-quarters of the world’s copper and a fifth of its gold.

Exploration Update: June 2026
An update on the exploration work and plans for Altitude’s projects

Drilling Permits Issued & Rig Contracted for Byrock Project
Drill permit issued and drilling rig contracted for 2,300m RC program to test three highest priority Pipe Targets

Exploration Update: May 2026
An update on the exploration work and plans for Altitude’s projects

Compelling Drill Targets Defined at Byrock Project, NSW
Compelling RC drill targets have been confirmed at the Byrock Project to test for
Macquarie Arc pencil (pipe-like) porphyry deposits

Investor Presentation: RIU Resources Roundup Conference (May 2026)
Altitude Minerals – Investor Presentation