Prototype Borehole Miner Selectively Extracts Gold from Permafrost - Objective
Assess the technical feasibility of mining small and/or deeply buried frozen placer deposits from the surface through boreholes.
Language: | unknown |
---|---|
Subjects: | |
Online Access: | http://stacks.cdc.gov/view/cdc/9836/ |
Summary: | Assess the technical feasibility of mining small and/or deeply buried frozen placer deposits from the surface through boreholes. |
---|