Buxton Resources (ASX:BUX) has announced breakthrough metallurgical results at its 100% owned Graphite Bull project in the Gascoyne region of WA.

Buxton Resources says preliminary results from "sighter" 2023 flotation tests in Perth have easily exceeded the commercial graphite concentrate benchmark of 95%, a first for Graphite Bull, with grades of 98.1% achieved.

It also says the results to date, all from one master sample, reflect the wide-ranging experimental nature of the work, focused initially on demonstrating high-grade concentrate production from Graphite Bull material.

Buxton Resources says its engaged Battery Limits and Independent Metallurgical Operations to manage the testwork, fast-tracking evaluation of Graphite Bull material for suitability as feedstock to Purified Spherical Graphite (PSG) production.