Joshua Trestrail

Principal Geologist

Joshua Trestrail is a Principal Geologist at Spectrum Consultants, with over a decade of experience in mineral exploration and mine geology across Australia. He has worked on diverse projects including epithermal gold, opal, Cu-Au porphyry, supergene silver, graphite, and iron ore, providing geotechnical investigations, drilling programs, and regulatory compliance oversight.

Joshua is skilled in geological data analysis, resource estimation, and project management for mining and civil operations.

He is a member of the Australian Institute of Mining and Metallurgy (AusIMM) and contributes to safe and sustainable operation & monitoring practices for clients.