Run

nounStandard termMining

The directional trend of an ore vein or the horizontal distance a tunnel extends.

In geology, the horizontal direction or strike along which a mineral vein or geological formation travels through the host rock. In mining operations, it also refers to the continuous linear distance that a drift or tunnel has been excavated.

Heard on the job

The run of the main copper lode shifts sharply northeast past the fault line.

Also heard as

  • strike
  • trend