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.

Bibliographic Details
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Online Access:http://stacks.cdc.gov/view/cdc/9836/
Description
Summary:Assess the technical feasibility of mining small and/or deeply buried frozen placer deposits from the surface through boreholes.