Home > Term: blue ground
blue ground
Unoxidized slate-blue or blue-green kimberlite, usually a breccia (as in the diamond pipes of South Africa) that is found below the surficial oxidized zone of yellow ground. Compare: hardebank
- Besedna vrsta: noun
- Industrija/področje: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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(Milwaukee, United States)