Portal entry has been established, bolt meshed and shotcreted for stability.
The decline face has been advanced 40m through the transition zone by a four-strong mining crew.
A secondary ventilation system has been established.
Dewatering to the old three-level workings is well ahead of decline development.
The development has begun unrestricted blasting and 24-hour continuous operations.
Oreminex executive chairman Daryl Henthorn said progress at the site highlighted the efficiency of the Orminex Mineral Ventures model and the strategic alliance with GBF.
The aim is reach the sixth level of the mine and start accessing virgin higher grade stoping blocks along the way.