trackless mine

trackless mine

[′trak·ləs ′mīn]
(mining engineering)
A mine in which rubber-tired vehicles are used for haulage and transport.
References in periodicals archive ?
In a trackless mine operating round the clock, there should be 0,8 journeyman mechanic or electrician on the payroll for each major unit of mobile equipment in the underground fleet.
The company says that it has been designed specifically for use in trackless mines where large crews travel long distances to work places from shaft stations, and for moving people from surface to multi-level destinations via mine ramp systems.
To install longwall faces in the trackless mines that are common in Australia, the Eimco 'Chock' trailer is often used.