run of the mine
/ˌrʌn əv ðə ˈmaɪn/
adjective
- Unprocessed or raw, especially referring to ore or coal as it comes from the mine; also used figuratively to mean ordinary or unrefined.
- They bought run-of-the-mine gravel for the construction project to save money.
- His writing style is run-of-the-mine, lacking the polish of a professional editor.
- The company sold run-of-the-mine coal directly to power plants without any cleaning.