Home > Term: primary zone
primary zone
Portion of a lode below that changed by leaching and secondary enrichment, and characteristic of the type of ore most likely to persist into the deeper levels of a mine.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)